Eptifibatide injection is indicated to decrease the rate of a combined endpoint of death or new myocardial infarction (MI) in patients with ACS (unstable angina [UA]/non-ST-elevation myocardial infarction [NSTEMI]), including patients who are to be managed medically and those undergoing percutaneous coronary intervention (PCI).

Eptifibatide injection is indicated to decrease the rate of a combined endpoint of death, new MI, or need for urgent intervention in patients undergoing PCI, including those undergoing intracoronary stenting [see Clinical Studies (14.1, 14.2)].

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <col width="14%"/> <col width="39%"/> <col width="46%"/> <tbody class="Headless"> <tr class="First"> <td class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">  Indication</span> <br/> </p> </td><td class="Botrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">  Normal Renal Function</span> <br/> </p> </td><td class="Botrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">  Creatinine Clearance less than 50 mL/min</span> <br/> </p> </td> </tr> <tr> <td class="Botrule Lrule Rrule" valign="top"> <p class="First"> Patients with<br/> ACS<br/> </p> </td><td class="Botrule Rrule" valign="top"> <p class="First">180 mcg/kg intravenous (IV) bolus as soon as possible after diagnosis, followed by continuous infusion of 2 mcg/kg/min<br/> </p> </td><td class="Botrule Rrule" valign="top"> <p class="First">180 mcg/kg IV bolus as soon as possible after diagnosis, followed by continuous infusion of 1 mcg/kg/min<br/> </p> </td> </tr> <tr class="Last"> <td class="Botrule Lrule Rrule" valign="top"> <p class="First"> <br/> </p> </td><td class="Botrule Rrule" colspan="2" valign="top"> <dl> <dt>•</dt> <dd>Infusion should continue until hospital discharge or initiation of coronary artery bypass graft surgery (CABG), up to 72 hours</dd> <dt>•</dt> <dd>If a patient is to undergo PCI, the infusion should be continued until hospital discharge or for up to 18 to 24 hours after the procedure, whichever comes first, allowing for up to 96 hours of therapy</dd> <dt>•</dt> <dd>Aspirin, 160 to 325 mg, should be given daily</dd> </dl> </td> </tr> </tbody> </table></div>

Eptifibatide injection should be given concomitantly with heparin dosed to achieve the following parameters:

During Medical Management: Target aPTT 50 to 70 seconds

During PCI: Target ACT 200 to 300 seconds

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <col width="14%"/> <col width="40%"/> <col width="45%"/> <tbody class="Headless"> <tr class="First"> <td class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">  Indication </span> <br/> </p> </td><td class="Botrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">  Normal Renal Function </span> <br/> </p> </td><td class="Botrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">  Creatinine Clearance less than 50 mL/min </span> <br/> </p> </td> </tr> <tr> <td class="Botrule Lrule Rrule" valign="top"> <dl> <dt> </dt> <dd>Patients with PCI <br/> </dd> </dl> </td><td class="Botrule Rrule" valign="top"> <p class="First">180 mcg/kg IV bolus immediately before PCI followed by continuous infusion of 2 mcg/kg/min and a second bolus of 180 mcg/kg (given 10 minutes after the first bolus)<br/> </p> </td><td class="Botrule Rrule" valign="top"> <p class="First">180 mcg/kg IV bolus immediately before PCI followed by continuous infusion of 1 mcg/kg/min and a second bolus of 180 mcg/kg (given 10 minutes after the first bolus)<br/> </p> </td> </tr> <tr class="Last"> <td class="Botrule Lrule Rrule" valign="top"> <p class="First"> <br/> </p> </td><td class="Botrule Rrule" colspan="2" valign="top"> <dl> <dt>•</dt> <dd>Infusion should be continued until hospital discharge, or for up to 18 to 24 hours, whichever comes first. A minimum of 12 hours of infusion is recommended.</dd> <dt>•</dt> <dd>In patients who undergo CABG surgery, eptifibatide injection infusion should be discontinued prior to surgery.</dd> <dt>•</dt> <dd>Aspirin, 160 to 325 mg, should be given 1 to 24 hours prior to PCI and daily thereafter. </dd> </dl> </td> </tr> </tbody> </table></div>

Patients requiring thrombolytic therapy should discontinue eptifibatide injection.

Administer eptifibatide injection by volume according to patient weight (see Table 1).

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <caption> <span>Table 1: Eptifibatide Injection Dosing Charts by Weight</span> </caption> <col width="14%"/> <col width="14%"/> <col width="14%"/> <col width="28%"/> <col width="29%"/> <tbody class="Headless"> <tr class="First"> <td align="center" class="Botrule Lrule Rrule Toprule" colspan="2" valign="middle"> <p class="First"> <span class="Bold">Patient Weight</span> <br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">180-mcg/kg Bolus Volume</span> <br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">2-mcg/kg/min<br/> Infusion Volume<br/>(CrCl greater than or equal to 50 mL/min)</span> <br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">1-mcg/kg/min<br/>Infusion Volume<br/>(CrCl less than 50 mL/min)</span> <br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">(kg)</span> <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">(lb)</span> <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">(from 2 <br/>mg/mL vial)</span> <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">(from 0.75-mg/mL<br/>100-mL Galaxy<br/>container)</span> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">(from 0.75-mg/mL<br/>100-mL Galaxy<br/>container)</span> <br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> 37-41 <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">  81-91    <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">3.4 mL<br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">6 mL/h</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">3 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> 42-46 <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">  92-102    <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">4 mL<br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">7 mL/h</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">3.5 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> 47-53 <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">  103-117    <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">4.5 mL<br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">8 mL/h</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">4 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> 54-59 <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">  118-130    <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">5 mL<br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">9 mL/h</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">4.5 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> 60-65 <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">  131-143    <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">5.6 mL<br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">10 mL/h</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">5 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> 66-71 <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">  144-157   <br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">6.2 mL<br/> </p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">11 mL/h</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">5.5 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule" valign="middle"> <p class="First"> 72-78 <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">  158-172    <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">6.8 mL<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First">12 mL/h</p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">6 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule" valign="middle"> <p class="First"> 79-84 <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">  173-185    <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">7.3 mL<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First">13 mL/h</p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">6.5 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule" valign="middle"> <p class="First"> 85-90 <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">  186-198    <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">7.9 mL<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First">14 mL/h</p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">7 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule" valign="middle"> <p class="First"> 91-96 <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">  199-212    <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">8.5 mL<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First">15 mL/h</p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">7.5 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule" valign="middle"> <p class="First"> 97-103 <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">  213-227    <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">9 mL<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First">16 mL/h</p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">8 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule" valign="middle"> <p class="First">  104-109  <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">  228-240    <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">9.5 mL<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First">17 mL/h</p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">8.5 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule" valign="middle"> <p class="First"> 110-115 <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">  241-253    <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">10.2 mL<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First">18 mL/h</p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">9 mL/h<br/> </p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule" valign="middle"> <p class="First"> 116-121 <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">  254-267    <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">10.7 mL<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First">19 mL/h</p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">9.5 mL/h<br/> </p> </td> </tr> <tr class="Last"> <td align="center" class="Botrule Lrule Rrule" valign="middle"> <p class="First"> &gt;121 <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">  &gt;267    <br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">11.3 mL<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="middle"> <p class="First">20 mL/h</p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">10 mL/h<br/> </p> </td> </tr> </tbody> </table></div>

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Treatment with eptifibatide is contraindicated in patients with:

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Bleeding is the most common complication encountered during eptifibatide therapy. Administration of eptifibatide is associated with an increase in major and minor bleeding, as classified by the criteria of the Thrombolysis in Myocardial Infarction Study group (TIMI) [see Adverse Reactions (6.1)]. Most major bleeding associated with eptifibatide has been at the arterial access site for cardiac catheterization or from the gastrointestinal or genitourinary tract. Minimize the use of arterial and venous punctures, intramuscular injections, and the use of urinary catheters, nasotracheal intubation, and nasogastric tubes. When obtaining intravenous access, avoid non-compressible sites (e.g., subclavian or jugular veins).

Use of Thrombolytics, Anticoagulants, and Other Antiplatelet Agents

Risk factors for bleeding include older age, a history of bleeding disorders, and concomitant use of drugs that increase the risk of bleeding (thrombolytics, oral anticoagulants, nonsteroidal anti-inflammatory drugs, and P2Y12 inhibitors). Concomitant treatment with other inhibitors of platelet receptor glycoprotein (GP) IIb/IIIa should be avoided. In patients treated with heparin, bleeding can be minimized by close monitoring of the aPTT and ACT [see Dosage and Administration (2)].

Care of the Femoral Artery Access Site in Patients Undergoing Percutaneous Coronary Intervention (PCI)

In patients undergoing PCI, treatment with eptifibatide is associated with an increase in major and minor bleeding at the site of arterial sheath placement. After PCI, eptifibatide infusion should be continued until hospital discharge or up to 18 to 24 hours, whichever comes first. Heparin use is discouraged after the PCI procedure. Early sheath removal is encouraged while eptifibatide is being infused. Prior to removing the sheath, it is recommended that heparin be discontinued for 3 to 4 hours and an aPTT of <45 seconds or ACT <150 seconds be achieved. In any case, both heparin and eptifibatide should be discontinued and sheath hemostasis should be achieved at least 2 to 4 hours before hospital discharge. If bleeding at access site cannot be controlled with pressure, infusion of eptifibatide and heparin should be discontinued immediately.

There have been reports of acute, profound thrombocytopenia (immune-mediated and non-immune mediated) with eptifibatide. In the event of acute profound thrombocytopenia or a confirmed platelet decrease to <100,000/mm3, discontinue eptifibatide and heparin (unfractionated or low-molecular weight). Monitor serial platelet counts, assess the presence of drug-dependent antibodies, and treat as appropriate [see Adverse Reactions (6.1)].

There has been no clinical experience with eptifibatide initiated in patients with a baseline platelet count <100,000/mm3. If a patient with low platelet counts is receiving eptifibatide, their platelet count should be monitored closely.

Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.

A total of 16,782 patients were treated in the Phase III clinical trials (PURSUIT, ESPRIT, and IMPACT II) [see Clinical Studies (14)]. These 16,782 patients had a mean age of 62 years (range: 20-94 years). Eighty-nine percent of the patients were Caucasian, with the remainder being predominantly Black (5%) and Hispanic (5%). Sixty-eight percent were men. Because of the different regimens used in PURSUIT, IMPACT II, and ESPRIT, data from the 3 studies were not pooled.

Bleeding and hypotension were the most commonly reported adverse reactions (incidence ≥5% and greater than placebo) in the eptifibatide controlled clinical trial database.

Bleeding

The incidence of bleeding and transfusions in the PURSUIT and ESPRIT studies are shown in Table 2. Bleeding was classified as major or minor by the criteria of the TIMI study group. Major bleeding consisted of intracranial hemorrhage and other bleeding that led to decreases in hemoglobin greater than 5 g/dL. Minor bleeding included spontaneous gross hematuria, spontaneous hematemesis, other observed blood loss with a hemoglobin decrease of more than 3 g/dL, and other hemoglobin decreases that were greater than 4 g/dL but less than 5 g/dL. In patients who received transfusions, the corresponding loss in hemoglobin was estimated through an adaptation of the method of Landefeld et al.

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <caption> <span>Table 2: Bleeding and Transfusions in the PURSUIT and ESPRIT Studies</span> </caption> <col width="33%"/> <col width="33%"/> <col width="33%"/> <tfoot> <tr class="First Last"> <td align="left" colspan="3" valign="top">Note: Denominator is based on patients for whom data are available.</td> </tr> <tr> <td align="left" colspan="3"> <dl class="Footnote"> <dt> <a href="#footnote-reference-1" name="footnote-1">*</a> </dt> <dd>For major and minor bleeding, patients are counted only once according to the most severe classification.</dd> <dt> <a href="#footnote-reference-2" name="footnote-2">†</a> </dt> <dd>Includes transfusions of whole blood, packed red blood cells, fresh frozen plasma, cryoprecipitate, platelets, and autotransfusion during the initial hospitalization.</dd> </dl> </td> </tr> </tfoot> <tbody class="Headless"> <tr class="First Toprule"> <td class="Botrule Lrule Toprule" valign="top"> <p class="First"> <br/> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold">PURSUIT (ACS)</span> <br/> <span class="Bold">Placebo</span> <br/> <span class="Bold">n (%)</span> <br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First"> <span class="Bold">Eptifibatide</span> <br/> <span class="Bold">180/2</span> <br/> <span class="Bold">n (%)</span> <br/> </p> </td> </tr> <tr> <td class="Botrule Lrule Toprule" valign="top"> <p class="First">  Patients<br/>  Major bleeding<a class="Sup" href="#footnote-1" name="footnote-reference-1">*</a> <br/>  Minor bleeding<a class="Sup" href="#footnote-1">*</a> <br/>  Requiring transfusions<a class="Sup" href="#footnote-2" name="footnote-reference-2">†</a> <br/> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First">4696<br/>425 (9.3%)<br/>347 (7.6%)<br/>490 (10.4%)<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First">4679<br/>498 (10.8%)<br/>604 (13.1%)<br/>601 (12.8%)</p> </td> </tr> <tr> <td class="Botrule Lrule Toprule" valign="top"> <p class="First"> <br/> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold">ESPRIT (PCI)<br/>Placebo<br/>n (%)</span> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First"> <span class="Bold">Eptifibatide</span> <br/> <span class="Bold">180/2/180</span> <br/> <span class="Bold">n (%)</span> </p> </td> </tr> <tr class="Botrule Last"> <td class="Botrule Lrule" valign="top"> <p class="First"> Patients <br/> Major bleeding<a class="Sup" href="#footnote-1">*</a><span class="Sup"></span> <br/>Minor bleeding<a class="Sup" href="#footnote-1">*</a><span class="Sup"></span> <br/> Requiring transfusions<a class="Sup" href="#footnote-2">†</a> <br/> </p> </td><td align="center" class="Botrule" valign="top"> <p class="First">1024<br/>4 (0.4%)<br/>18 (2%)<br/>11 (1.1%)<br/> </p> </td><td align="center" class="Botrule Rrule" valign="top"> <p class="First">1040<br/>13 (1.3%)<br/>29 (3%)<br/>16 (1.5%)<br/> </p> </td> </tr> </tbody> </table></div>

The majority of major bleeding reactions in the ESPRIT study occurred at the vascular access site (1 and 8 patients, or 0.1% and 0.8% in the placebo and eptifibatide groups, respectively). Bleeding at “other” locations occurred in 0.2% and 0.4% of patients, respectively.

In the PURSUIT study, the greatest increase in major bleeding in eptifibatide-treated patients compared to placebo-treated patients was also associated with bleeding at the femoral artery access site (2.8% versus 1.3%). Oropharyngeal (primarily gingival), genitourinary, gastrointestinal, and retroperitoneal bleeding were also seen more commonly in eptifibatide-treated patients compared to placebo-treated patients.

Among patients experiencing a major bleed in the IMPACT II study, an increase in bleeding on eptifibatide versus placebo was observed only for the femoral artery access site (3.2% versus 2.8%).

Table 3 displays the incidence of TIMI major bleeding according to the cardiac procedures carried out in the PURSUIT study. The most common bleeding complications were related to cardiac revascularization (CABG-related or femoral artery access site bleeding). A corresponding table for ESPRIT is not presented, as every patient underwent PCI in the ESPRIT study and only 11 patients underwent CABG.

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <caption> <span>Table 3: Major Bleeding by Procedures in the PURSUIT Study</span> </caption> <col width="59%"/> <col width="18%"/> <col width="23%"/> <tbody class="Headless"> <tr class="First"> <td class="Botrule Lrule Toprule" valign="top"> <p class="First"> <br/> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold">Placebo<br/> <br/>n (%)</span> <br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First"> <span class="Bold">Eptifibatide</span> <br/> <span class="Bold">180/2</span> <br/> <span class="Bold">n (%)</span> <br/> </p> </td> </tr> <tr> <td class="Botrule Lrule Toprule" valign="top"> <p class="First">Patients<br/>Overall incidence of major bleeding</p> <p> <br/>Breakdown by procedure:<br/>CABG<br/>Angioplasty without CABG<br/>Angiography without angioplasty or CABG<br/>Medical therapy only</p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First">4577<br/>425 (9.3%)</p> <p> <br/>375 (8.2%)<br/>27 (0.6%)<br/>11 (0.2%)<br/>12 (0.3%)</p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First">4604<br/>498 (10.8%)</p> <p> <br/>377 (8.2%)<br/>64 (1.4%)<br/>29 (0.6%)<br/>28 (0.6%)</p> </td> </tr> <tr class="Last"> <td class="Botrule Toprule" colspan="3" valign="middle"> <p class="First">Note: Denominators are based on the total number of patients whose TIMI classification was resolved.</p> </td> </tr> </tbody> </table></div>

In the PURSUIT and ESPRIT studies, the risk of major bleeding with eptifibatide increased as patient weight decreased. This relationship was most apparent for patients weighing less than 70 kg.

Bleeding resulting in discontinuation of the study drug was more frequent among patients receiving eptifibatide than placebo (4.6% versus 0.9% in ESPRIT, 8% versus 1% in PURSUIT, 3.5% versus 1.9% in IMPACT II).

Intracranial Hemorrhage and Stroke

Intracranial hemorrhage was rare in the PURSUIT, IMPACT II, and ESPRIT clinical studies. In the PURSUIT study, 3 patients in the placebo group, 1 patient in the group treated with eptifibatide 180/1.3, and 5 patients in the group treated with eptifibatide 180/2 experienced a hemorrhagic stroke. The overall incidence of stroke was 0.5% in patients receiving eptifibatide 180/1.3, 0.7% in patients receiving eptifibatide 180/2, and 0.8% in placebo patients.

In the IMPACT II study, intracranial hemorrhage was experienced by 1 patient treated with eptifibatide 135/0.5, 2 patients treated with eptifibatide 135/0.75, and 2 patients in the placebo group. The overall incidence of stroke was 0.5% in patients receiving 135/0.5 eptifibatide, 0.7% in patients receiving eptifibatide 135/0.75, and 0.7% in the placebo group.

In the ESPRIT study, there were 3 hemorrhagic strokes, 1 in the placebo group and 2 in the eptifibatide group. In addition there was 1 case of cerebral infarction in the eptifibatide group.

Immunogenicity/Thrombocytopenia

The potential for development of antibodies to eptifibatide has been studied in 433 subjects. Eptifibatide was nonantigenic in 412 patients receiving a single administration of eptifibatide (135-mcg/kg bolus followed by a continuous infusion of either 0.5 mcg/kg/min or 0.75 mcg/kg/min), and in 21 subjects to whom eptifibatide (135-mcg/kg bolus followed by a continuous infusion of 0.75 mcg/kg/min) was administered twice, 28 days apart. In both cases, plasma for antibody detection was collected approximately 30 days after each dose. The development of antibodies to eptifibatide at higher doses has not been evaluated.

In patients with suspected eptifibatide-related immune-mediated thrombocytopenia, IgG antibodies that react with the GP IIb/IIIa complex were identified in the presence of eptifibatide and in eptifibatide-naïve patients. These findings suggest acute thrombocytopenia after the administration of eptifibatide can develop as a result of naturally occurring drug-dependent antibodies or those induced by prior exposure to eptifibatide. Similar antibodies were identified with other GP IIb/IIIa ligand-mimetic agents. Immune-mediated thrombocytopenia with eptifibatide may be associated with hypotension and/or other signs of hypersensitivity.

In the PURSUIT and IMPACT II studies, the incidence of thrombocytopenia (<100,000/mm3 or ≥50% reduction from baseline) and the incidence of platelet transfusions were similar between patients treated with eptifibatide and placebo. In the ESPRIT study, the incidence was 0.6% in the placebo group and 1.2% in the eptifibatide group.

Other Adverse Reactions

In the PURSUIT and ESPRIT studies, the incidence of serious nonbleeding adverse reactions was similar in patients receiving placebo or eptifibatide (19% and 19%, respectively, in PURSUIT; 6% and 7%, respectively, in ESPRIT). In PURSUIT, the only serious nonbleeding adverse reaction that occurred at a rate of at least 1% and was more common with eptifibatide than placebo (7% versus 6%) was hypotension. Most of the serious nonbleeding adverse reactions consisted of cardiovascular reactions typical of a UA population. In the IMPACT II study, serious nonbleeding adverse reactions that occurred in greater than 1% of patients were uncommon and similar in incidence between placebo and eptifibatide-treated patients.

Discontinuation of study drug due to adverse reactions other than bleeding was uncommon in the PURSUIT, IMPACT II, and ESPRIT studies, with no single reaction occurring in >0.5% of the study population (except for “other” in the ESPRIT study).

The following adverse reactions have been reported in post-approval use of eptifibatide in combination with heparin and aspirin. Because the reactions below are reported voluntarily from a population of uncertain size, it is generally not possible to reliably estimate their frequency or establish a causal relationship to drug exposure: cerebral, GI, and pulmonary hemorrhage. Fatal bleeding reactions have been reported. Acute profound thrombocytopenia, as well as immune-mediated thrombocytopenia, have been reported [see Adverse Reactions (6.1)].

Coadministration of antiplatelet agents, thrombolytics, heparin, aspirin, and chronic NSAID use increases the risk of bleeding. Concomitant treatment with other inhibitors of platelet receptor GP IIb/IIIa should be avoided.

Risk Summary Available data on eptifibatide use in pregnant women from published literature and the pharmacovigilance database are insufficient to establish a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. Untreated myocardial infarction can be fatal to the pregnant woman and fetus (see Clinical Considerations). In animal reproduction studies, there was no evidence of adverse developmental effects when eptifibatide was administered intravenously to pregnant rats and rabbits at approximately 4 times the recommended maximum daily human dose.

The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.

Clinical Considerations Disease-associated maternal and/or embryo/fetal risk Myocardial infarction is a medical emergency in pregnancy which can be fatal to the pregnant woman and fetus if left untreated. Therapy for the pregnant woman should not be withheld because of potential concerns regarding the effects of eptifibatide on the fetus.

Data Animal Data Embryo-fetal development studies have been performed by continuous intravenous infusion of eptifibatide in pregnant rats during the period of organogenesis at total daily doses of up to 72 mg/kg/day (about 4 times the recommended maximum daily human dose on a body surface area basis) and in pregnant rabbits during the period of organogenesis at total daily doses of up to 36 mg/kg/day (also about 4 times the recommended maximum daily human dose on a body surface area basis). These studies revealed no evidence of harm to the fetus due to eptifibatide.

Risk Summary There are no available data on the presence of eptifibatide in human milk, the effects on the breastfed infant, or the effects on milk production. As eptifibatide is a peptide, it is likely to be destroyed in the infant’s gastrointestinal tract and not absorbed orally by the breastfed infant.

Safety and effectiveness of eptifibatide in pediatric patients have not been studied.

The PURSUIT and IMPACT II clinical studies enrolled patients up to the age of 94 years (45% were age 65 and over; 12% were age 75 and older). There was no apparent difference in efficacy between older and younger patients treated with eptifibatide. The incidence of bleeding complications was higher in the elderly in both placebo and eptifibatide groups, and the incremental risk of eptifibatide-associated bleeding was greater in the older patients. No dose adjustment was made for elderly patients, but patients over 75 years of age had to weigh at least 50 kg to be enrolled in the PURSUIT study; no such limitation was stipulated in the ESPRIT study [see Adverse Reactions (6.1)].

Approximately 50% of eptifibatide is cleared by the kidney in patients with normal renal function. Total drug clearance is decreased by approximately 50% and steady-state plasma eptifibatide concentrations are doubled in patients with an estimated CrCl <50 mL/min (using the Cockcroft-Gault equation). Therefore, the infusion dose should be reduced to 1 mcg/kg/min in such patients [see Dosage and Administration (2)]. The safety and efficacy of eptifibatide in patients dependent on dialysis has not been established.

There has been only limited experience with overdosage of eptifibatide. There were 8 patients in the IMPACT II study, 9 patients in the PURSUIT study, and no patients in the ESPRIT study who received bolus doses and/or infusion doses more than double those called for in the protocols. None of these patients experienced an intracranial bleed or other major bleeding.

{ "type": "p", "children": [], "text": "There has been only limited experience with overdosage of eptifibatide. There were 8 patients in the IMPACT II study, 9 patients in the PURSUIT study, and no patients in the ESPRIT study who received bolus doses and/or infusion doses more than double those called for in the protocols. None of these patients experienced an intracranial bleed or other major bleeding." }

Eptifibatide was not lethal to rats, rabbits, or monkeys when administered by continuous intravenous infusion for 90 minutes at a total dose of 45 mg/kg (about 2 to 5 times the recommended maximum daily human dose on a body surface area basis). Symptoms of acute toxicity were loss of righting reflex, dyspnea, ptosis, and decreased muscle tone in rabbits and petechial hemorrhages in the femoral and abdominal areas of monkeys.

{ "type": "p", "children": [], "text": "Eptifibatide was not lethal to rats, rabbits, or monkeys when administered by continuous intravenous infusion for 90 minutes at a total dose of 45 mg/kg (about 2 to 5 times the recommended maximum daily human dose on a body surface area basis). Symptoms of acute toxicity were loss of righting reflex, dyspnea, ptosis, and decreased muscle tone in rabbits and petechial hemorrhages in the femoral and abdominal areas of monkeys." }

From in vitro studies, eptifibatide is not extensively bound to plasma proteins and thus may be cleared from plasma by dialysis.

{ "type": "p", "children": [], "text": "From in vitro studies, eptifibatide is not extensively bound to plasma proteins and thus may be cleared from plasma by dialysis." }

Eptifibatide is a cyclic heptapeptide containing 6 amino acids and 1 mercaptopropionyl (des-amino cysteinyl) residue. An interchain disulfide bridge is formed between the cysteine amide and the mercaptopropionyl moieties. Chemically it is N6-(aminoiminomethyl)-N2-(3-mercapto-1-oxopropyl)-L-lysylglycyl-L-α-aspartyl-L-tryptophyl-L-prolyl-L-cysteinamide, cyclic (1→6)-disulfide. Eptifibatide binds to the platelet receptor glycoprotein (GP) IIb/IIIa of human platelets and inhibits platelet aggregation.

{ "type": "p", "children": [], "text": "Eptifibatide is a cyclic heptapeptide containing 6 amino acids and 1 mercaptopropionyl (des-amino cysteinyl) residue. An interchain disulfide bridge is formed between the cysteine amide and the mercaptopropionyl moieties. Chemically it is N6-(aminoiminomethyl)-N2-(3-mercapto-1-oxopropyl)-L-lysylglycyl-L-α-aspartyl-L-tryptophyl-L-prolyl-L-cysteinamide, cyclic (1→6)-disulfide. Eptifibatide binds to the platelet receptor glycoprotein (GP) IIb/IIIa of human platelets and inhibits platelet aggregation." }

The eptifibatide peptide is produced by solution-phase peptide synthesis, and is purified by preparative reverse-phase liquid chromatography and lyophilized. The structural formula is:

{ "type": "p", "children": [], "text": "The eptifibatide peptide is produced by solution-phase peptide synthesis, and is purified by preparative reverse-phase liquid chromatography and lyophilized. The structural formula is:" }

Eptifibatide Injection is a clear, colorless, sterile, non-pyrogenic solution for intravenous (IV) use with an empirical formula of C35H49N11O9S2 and a molecular weight of 831.96. Eptifibatide injection is a refrigerated, premixed, sterile, non-pyrogenic single-dose solution packaged in the Galaxy container. The 100 mL container consists of 0.75 mg/mL of eptifibatide. The container also contains 5.25 mg/mL citric acid and sodium hydroxide to adjust the pH to 5.35.

{ "type": "p", "children": [], "text": "Eptifibatide Injection is a clear, colorless, sterile, non-pyrogenic solution for intravenous (IV) use with an empirical formula of C35H49N11O9S2 and a molecular weight of 831.96. Eptifibatide injection is a refrigerated, premixed, sterile, non-pyrogenic single-dose solution packaged in the Galaxy container. The 100 mL container consists of 0.75 mg/mL of eptifibatide. The container also contains 5.25 mg/mL citric acid and sodium hydroxide to adjust the pH to 5.35." }

The Galaxy container is fabricated from a specially designed multilayered plastic. Solutions in contact with the plastic container can leach out certain of its chemical components in very small amounts within the expiration period. The suitability of the plastic has been confirmed in tests in animals according to the USP biological tests for plastic containers, as well as by tissue culture toxicity studies.

{ "type": "p", "children": [], "text": "The Galaxy container is fabricated from a specially designed multilayered plastic. Solutions in contact with the plastic container can leach out certain of its chemical components in very small amounts within the expiration period. The suitability of the plastic has been confirmed in tests in animals according to the USP biological tests for plastic containers, as well as by tissue culture toxicity studies." }

Eptifibatide reversibly inhibits platelet aggregation by preventing the binding of fibrinogen, von Willebrand factor, and other adhesive ligands to GP IIb/IIIa. When administered intravenously, eptifibatide inhibits ex vivo platelet aggregation in a dose- and concentration-dependent manner. Platelet aggregation inhibition is reversible following cessation of the eptifibatide infusion; this is thought to result from dissociation of eptifibatide from the platelet.

Infusion of eptifibatide into baboons caused a dose-dependent inhibition of ex vivo platelet aggregation, with complete inhibition of aggregation achieved at infusion rates greater than 5 mcg/kg/min. In a baboon model that is refractory to aspirin and heparin, doses of eptifibatide that inhibit aggregation prevented acute thrombosis with only a modest prolongation (2- to 3-fold) of the bleeding time. Platelet aggregation in dogs was also inhibited by infusions of eptifibatide, with complete inhibition at 2 mcg/kg/min. This infusion dose completely inhibited canine coronary thrombosis induced by coronary artery injury (Folts model).

Human pharmacodynamic data were obtained in healthy subjects and in patients presenting with UA or NSTEMI and/or undergoing percutaneous coronary intervention. Studies in healthy subjects enrolled only males; patient studies enrolled approximately one-third women. In these studies, eptifibatide inhibited ex vivo platelet aggregation induced by adenosine diphosphate (ADP) and other agonists in a dose- and concentration-dependent manner. The effect of eptifibatide was observed immediately after administration of a 180-mcg/kg intravenous bolus. Table 4 shows the effects of dosing regimens of eptifibatide used in the IMPACT II and PURSUIT studies on ex vivo platelet aggregation induced by 20 µM ADP in PPACK-anticoagulated platelet-rich plasma and on bleeding time. The effects of the dosing regimen used in ESPRIT on platelet aggregation have not been studied.

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <caption> <span>Table 4: Platelet Inhibition and Bleeding Time</span> </caption> <col width="80%"/> <col width="20%"/> <tfoot> <tr> <td align="left" colspan="2"> <dl class="Footnote"> <dt> <a href="#footnote-reference-3" name="footnote-3">*</a> </dt> <dd>180-mcg/kg bolus followed by a continuous infusion of 2 mcg/kg/min.</dd> </dl> </td> </tr> </tfoot> <tbody class="Headless"> <tr class="First"> <td class="Botrule Lrule Toprule" valign="top"> <p class="First"> <br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First"> <span class="Bold">PURSUIT</span> <br/> <span class="Bold">180/2</span><a class="Sup" href="#footnote-3" name="footnote-reference-3">*</a> <br/> </p> </td> </tr> <tr class="Last"> <td class="Botrule Lrule" valign="middle"> <p class="First">Inhibition of platelet aggregation 15 min after bolus<br/>Inhibition of platelet aggregation at steady state<br/>Bleeding-time prolongation at steady state<br/>Inhibition of platelet aggregation 4h after infusion discontinuation<br/>Bleeding-time prolongation 6h after infusion discontinuation<br/> </p> </td><td align="center" class="Botrule Rrule" valign="middle"> <p class="First">84%<br/>&gt;90%<br/>&lt;5x<br/>&lt;50%<br/>1.4x<br/> </p> </td> </tr> </tbody> </table></div>

The eptifibatide dosing regimen used in the ESPRIT study included two 180-mcg/kg bolus doses given 10 minutes apart combined with a continuous 2-mcg/kg/min infusion.

When administered alone, eptifibatide has no measurable effect on PT or aPTT.

There were no important differences between men and women or between age groups in the pharmacodynamic properties of eptifibatide. Differences among ethnic groups have not been assessed.

The pharmacokinetics of eptifibatide are linear and dose-proportional for bolus doses ranging from 90 to 250 mcg/kg and infusion rates from 0.5 to 3 mcg/kg/min. Plasma elimination half-life is approximately 2.5 hours. Administration of a single 180-mcg/kg bolus combined with an infusion produces an early peak level, followed by a small decline prior to attaining steady state (within 4-6 hours). This decline can be prevented by administering a second 180-mcg/kg bolus 10 minutes after the first. The extent of eptifibatide binding to human plasma protein is about 25%. Clearance in patients with coronary artery disease is about 55 mL/kg/h. In healthy subjects, renal clearance accounts for approximately 50% of total body clearance, with the majority of the drug excreted in the urine as eptifibatide, deaminated eptifibatide, and other, more polar metabolites. No major metabolites have been detected in human plasma.

Special Populations

Geriatric

Patients in clinical studies were older (range: 20-94 years) than those in the clinical pharmacology studies. Elderly patients with coronary artery disease demonstrated higher plasma levels and lower total body clearance of eptifibatide when given the same dose as younger patients. Limited data are available on lighter weight (<50 kg) patients over 75 years of age.

Renal Impairment

In patients with moderate to severe renal insufficiency (CrCl <50 mL/min using the Cockcroft-Gault equation), the clearance of eptifibatide is reduced by approximately 50% and steady-state plasma levels approximately doubled [see Use in Specific Populations (8.6) and Dosage and Administration (2)].

Hepatic Impairment

No studies have been conducted in patients with hepatic impairment.

Gender

Males and females have not demonstrated any clinically significant differences in the pharmacokinetics of eptifibatide.

No long-term studies in animals have been performed to evaluate the carcinogenic potential of eptifibatide. Eptifibatide was not genotoxic in the Ames test, the mouse lymphoma cell (L 5178Y, TK+/-) forward mutation test, the human lymphocyte chromosome aberration test, or the mouse micronucleus test. Administered by continuous intravenous infusion at total daily doses up to 72 mg/kg/day (about 4 times the recommended maximum daily human dose on a body surface area basis), eptifibatide had no effect on fertility and reproductive performance of male and female rats.

Non-ST-segment elevation acute coronary syndrome is defined as prolonged (≥10 minutes) symptoms of cardiac ischemia within the previous 24 hours associated with either ST-segment changes (elevations between 0.6 mm and 1 mm or depression >0.5 mm), T-wave inversion (>1 mm), or positive CK-MB. This definition includes "unstable angina" and "NSTEMI" but excludes MI that is associated with Q waves or greater degrees of ST-segment elevation.

PURSUIT (Platelet Glycoprotein IIb/IIIa in Unstable Angina: Receptor Suppression Using Eptifibatide Therapy)

PURSUIT was a 726-center, 27-country, double-blind, randomized, placebo-controlled study in 10,948 patients presenting with UA or NSTEMI. Patients could be enrolled only if they had experienced cardiac ischemia at rest (≥10 minutes) within the previous 24 hours and had either ST-segment changes (elevations between 0.6 mm and 1 mm or depression >0.5 mm), T-wave inversion (>1 mm), or increased CK-MB. Important exclusion criteria included a history of bleeding diathesis, evidence of abnormal bleeding within the previous 30 days, uncontrolled hypertension, major surgery within the previous 6 weeks, stroke within the previous 30 days, any history of hemorrhagic stroke, serum creatinine >2 mg/dL, dependency on renal dialysis, or platelet count <100,000/mm3.

Patients were randomized to placebo, to eptifibatide 180-mcg/kg bolus followed by a 2-mcg/kg/min infusion (180/2), or to eptifibatide 180-mcg/kg bolus followed by a 1.3-mcg/kg/min infusion (180/1.3). The infusion was continued for 72 hours, until hospital discharge, or until the time of CABG, whichever occurred first, except that if PCI was performed, the eptifibatide infusion was continued for 24 hours after the procedure, allowing for a duration of infusion up to 96 hours.

The lower-infusion-rate arm was stopped after the first interim analysis when the 2 active-treatment arms appeared to have the same incidence of bleeding.

Patient age ranged from 20 to 94 (mean 63) years, and 65% were male. The patients were 89% Caucasian, 6% Hispanic, and 5% Black, recruited in the United States and Canada (40%), Western Europe (39%), Eastern Europe (16%), and Latin America (5%).

This was a “real world” study; each patient was managed according to the usual standards of the investigational site; frequencies of angiography, PCI, and CABG therefore differed widely from site to site and from country to country. Of the patients in PURSUIT, 13% were managed with PCI during drug infusion, of whom 50% received intracoronary stents; 87% were managed medically (without PCI during drug infusion).

The majority of patients received aspirin (75-325 mg once daily). Heparin was administered intravenously or subcutaneously, at the physician's discretion, most commonly as an intravenous bolus of 5000 units followed by a continuous infusion of 1000 units/h. For patients weighing less than 70 kg, the recommended heparin bolus dose was 60 units/kg followed by a continuous infusion of 12 units/kg/h. A target aPTT of 50 to 70 seconds was recommended. A total of 1250 patients underwent PCI within 72 hours after randomization, in which case they received intravenous heparin to maintain an ACT of 300 to 350 seconds.

The primary endpoint of the study was the occurrence of death from any cause or new MI (evaluated by a blinded Clinical Endpoints Committee) within 30 days of randomization.

Compared to placebo, eptifibatide administered as a 180-mcg/kg bolus followed by a 2-mcg/kg/min infusion significantly (p=0.042) reduced the incidence of endpoint events (see Table 6). The reduction in the incidence of endpoint events in patients receiving eptifibatide was evident early during treatment, and this reduction was maintained through at least 30 days (see Figure 1). Table 5 also shows the incidence of the components of the primary endpoint, death (whether or not preceded by an MI) and new MI in surviving patients at 30 days.

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <caption> <span>Table 5: Clinical Events in the PURSUIT Study</span> </caption> <col width="41%"/> <col width="16%"/> <col width="31%"/> <col width="11%"/> <tbody class="Headless"> <tr class="First Toprule"> <td class="Botrule Lrule Toprule" valign="top"> <p class="First"> <span class="Bold">  Death or MI </span> <br/> <br/> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold">Placebo</span> <br/> <br/> <span class="Bold">(n=4739) </span> <br/> <span class="Bold">n (%)</span> <br/> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold">Eptifibatide</span> <br/> <span class="Bold">(180 mcg/kg bolus then</span> <br/> <span class="Bold"> 2 mcg/kg/min infusion) </span> <br/> <span class="Bold">(n=4722)</span> <br/> <span class="Bold">n (%) </span> <br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First"> <span class="Bold">p-value </span> <br/> <br/> </p> </td> </tr> <tr class="Botrule Last"> <td class="Botrule Lrule" valign="top"> <p class="First">3 days<br/>7 days<br/>30 days<br/>     Death or MI (primary endpoint)</p> <p>     Death<br/>     Nonfatal MI </p> </td><td align="center" class="Botrule" valign="top"> <p class="First">359 (7.6%)</p> <p>552 (11.6%)<br/> <br/>745 (15.7%)<br/>177 (3.7%)<br/>568 (12%)<br/> </p> </td><td align="center" class="Botrule" valign="top"> <p class="First">279 (5.9%)<br/>477 (10.1%)<br/> <br/>672 (14.2%)<br/>165 (3.5%)<br/>507 (10.7%)<br/> </p> </td><td align="center" class="Botrule Rrule" valign="top"> <p class="First">0.001<br/>0.016<br/> <br/>0.042</p> </td> </tr> </tbody> </table></div>

Figure 1: Kaplan-Meier Plot of Time to Death or Myocardial Infarction Within 30 Days of Randomization in the PURSUIT Study Treatment with eptifibatide prior to determination of patient management strategy reduced clinical events regardless of whether patients ultimately underwent diagnostic catheterization, revascularization (i.e., PCI or CABG surgery) or continued to receive medical management alone. Table 6 shows the incidence of death or MI within 72 hours.

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <caption> <span>Table 6: Clinical Events (Death or MI) in the PURSUIT Study Within 72 Hours of Randomization</span> </caption> <col width="49%"/> <col width="19%"/> <col width="32%"/> <tbody class="Headless"> <tr class="First"> <td class="Botrule Lrule Toprule" valign="top"> <p class="First"> <br/> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold"> <br/>Placebo </span> <br/> <br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First"> <span class="Bold">Eptifibatide</span> <br/> <span class="Bold">(180 mcg/kg bolus then then</span> <br/> <span class="Bold"> 2 mcg/kg/min infusion) </span> <br/> </p> </td> </tr> <tr class="Last"> <td class="Botrule Lrule Toprule" valign="middle"> <p class="First">  Overall patient population <br/>    – At 72 hours<br/> Patients undergoing early PCI<br/>    – Pre-procedure (nonfatal MI only)<br/>    – At 72 hours<br/>  Patients not undergoing early PCI<br/>    – At 72 hours</p> </td><td align="center" class="Botrule Toprule" valign="middle"> <p class="First">n=4739 <br/>7.6%<br/>n=631<br/>5.5%<br/>14.4%<br/>n=4108<br/>6.5%<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First">n=4722 <br/>5.9%<br/>n=619<br/>1.8%<br/>9%<br/>n=4103<br/>5.4%<br/> </p> </td> </tr> </tbody> </table></div>

All of the effect of eptifibatide was established within 72 hours (during the period of drug infusion), regardless of management strategy. Moreover, for patients undergoing early PCI, a reduction in events was evident prior to the procedure.

An analysis of the results by sex suggests that women who would not routinely be expected to undergo PCI receive less benefit from eptifibatide (95% confidence limits for relative risk of 0.94 - 1.28) than do men (0.72 - 0.9). This difference may be a true treatment difference, the effect of other differences in these subgroups, or a statistical anomaly. No differential outcomes were seen between male and female patients undergoing PCI (see results for ESPRIT).

Follow-up data were available through 165 days for 10,611 patients enrolled in the PURSUIT trial (96.9% of the initial enrollment). This follow-up included 4566 patients who received eptifibatide at the 180/2 dose. As reported by the investigators, the occurrence of death from any cause or new MI for patients followed for at least 165 days was reduced from 13.6% with placebo to 12.1% with eptifibatide 180/2.

IMPACT II (Eptifibatide to Minimize Platelet Aggregation and Prevent Coronary Thrombosis II)

IMPACT II was a multicenter, double-blind, randomized, placebo-controlled study conducted in the United States in 4010 patients undergoing PCI. Major exclusion criteria included a history of bleeding diathesis, major surgery within 6 weeks of treatment, gastrointestinal bleeding within 30 days, any stroke or structural CNS abnormality, uncontrolled hypertension, PT >1.2 times control, hematocrit <30%, platelet count <100,000/mm3, and pregnancy.

Patient age ranged from 24 to 89 (mean 60) years, and 75% were male. The patients were 92% Caucasian, 5% Black, and 3% Hispanic. Forty-one percent of the patients underwent PCI for ongoing ACS. Patients were randomly assigned to 1 of 3 treatment regimens, each incorporating a bolus dose initiated immediately prior to PCI followed by a continuous infusion lasting 20 to 24 hours:

Each patient received aspirin and an intravenous heparin bolus of 100 units/kg, with additional bolus infusions of up to 2000 additional units of heparin every 15 minutes to maintain an ACT of 300 to 350 seconds.

The primary endpoint was the composite of death, MI, or urgent revascularization, analyzed at 30 days after randomization in all patients who received at least 1 dose of study drug.

As shown in Table 7, each eptifibatide regimen reduced the rate of death, MI, or urgent intervention, although at 30 days, this finding was statistically significant only in the lower-dose eptifibatide group. As in the PURSUIT study, the effects of eptifibatide were seen early and persisted throughout the 30-day period.

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <caption> <span>Table 7: Clinical Events in the IMPACT II Study</span> </caption> <col width="33%"/> <col width="17%"/> <col width="27%"/> <col width="24%"/> <tfoot> <tr> <td align="left" colspan="4"> <dl class="Footnote"> <dt> <a href="#footnote-reference-4" name="footnote-4">*</a> </dt> <dd>Kaplan-Meier estimate of event rate.</dd> </dl> </td> </tr> </tfoot> <tbody class="Headless"> <tr class="First Toprule"> <td class="Lrule Toprule" valign="top"> <p class="First"> <br/> </p> </td><td align="center" class="Toprule" valign="top"> <p class="First"> <span class="Bold">Placebo</span> <br/> <br/> <br/> <span class="Bold">n (%)</span> <br/> </p> </td><td align="center" class="Toprule" valign="top"> <p class="First"> <span class="Bold">Eptifibatide</span> <br/> <span class="Bold">(135 mcg/kg bolus then</span> <br/> <span class="Bold"> 0.5 mcg/kg/min infusion)</span> <br/> <span class="Bold">n (%)</span> </p> </td><td align="center" class="Rrule Toprule" valign="top"> <p class="First"> <span class="Bold">Eptifibatide</span> <br/> <span class="Bold">(135 mcg/kg bolus then</span> <br/> <span class="Bold"> 0.75 mcg/kg/min infusion)</span> <br/> <span class="Bold">n (%)</span> </p> </td> </tr> <tr> <td class="Lrule" valign="top"> <p class="First">Patients</p> </td><td align="center" valign="top"> <p class="First">1285</p> </td><td align="center" valign="top"> <p class="First">1300</p> </td><td align="center" class="Rrule" valign="top"> <p class="First">1286</p> </td> </tr> <tr> <td class="Lrule" valign="top"> <p class="First">Abrupt Closure</p> </td><td align="center" valign="top"> <p class="First">65 (5.1%)</p> </td><td align="center" valign="top"> <p class="First">36 (2.8%)</p> </td><td align="center" class="Rrule" valign="top"> <p class="First">43 (3.3%)</p> </td> </tr> <tr> <td class="Lrule" valign="top"> <p class="First">   p-value versus placebo</p> </td><td valign="top"></td><td align="center" valign="top"> <p class="First">0.003</p> </td><td align="center" class="Rrule" valign="top"> <p class="First">0.03</p> </td> </tr> <tr> <td class="Lrule" valign="top"> <p class="First">Death, MI, or Urgent Intervention</p> </td><td valign="top"></td><td valign="top"></td><td class="Rrule" valign="top"></td> </tr> <tr> <td class="Lrule" valign="top"> <p class="First">   24 hours<br/>      p-value versus placebo<br/>   48 hours<br/>      p-value versus placebo<br/>   30 days (primary endpoint)<br/>      p-value versus placebo<br/>Death or MI<br/>   30 days<br/>      p-value versus placebo <br/>  6 months <br/>      p-value versus placebo<br/> </p> </td><td align="center" valign="top"> <p class="First">123 (9.6%)<br/> <br/>131 (10.2%)<br/> <br/>149 (11.6%)<br/> <br/> <br/>110 (8.6%) <br/> <br/>151 (11.9%)<a class="Sup" href="#footnote-4" name="footnote-reference-4">*</a> <br/> <br/> </p> </td><td align="center" valign="top"> <p class="First">86 (6.6%)<br/>0.006<br/>99 (7.6%)<br/>0.021<br/>118 (9.1%)<br/>0.035<br/> <br/>89 (6.8%) <br/>0.102 <br/>136 (10.6%)<a class="Sup" href="#footnote-4">*</a> <br/>0.297<br/> </p> </td><td align="center" class="Rrule" valign="top"> <p class="First">89 (6.9%)<br/>0.014<br/>102 (7.9%)<br/>0.045<br/>128 (10%)<br/>0.179<br/> <br/>95 (7.4%) <br/>0.272 <br/>130 (10.3%)<a class="Sup" href="#footnote-4">*</a> <br/>0.182 <br/> </p> </td> </tr> <tr class="Botrule Last"> <td class="Botrule Lrule" valign="top"></td><td class="Botrule" valign="top"></td><td class="Botrule" valign="top"></td><td class="Botrule Rrule" valign="top"></td> </tr> </tbody> </table></div>

ESPRIT (Enhanced Suppression of the Platelet IIb/IIIa Receptor with Eptifibatide Therapy)

The ESPRIT study was a multicenter, double-blind, randomized, placebo-controlled study conducted in the United States and Canada that enrolled 2064 patients undergoing elective or urgent PCI with intended intracoronary stent placement. Exclusion criteria included MI within the previous 24 hours, ongoing chest pain, administration of any oral antiplatelet or oral anticoagulant other than aspirin within 30 days of PCI (although loading doses of thienopyridine on the day of PCI were encouraged), planned PCI of a saphenous vein graft or subsequent “staged” PCI, prior stent placement in the target lesion, PCI within the previous 90 days, a history of bleeding diathesis, major surgery within 6 weeks of treatment, gastrointestinal bleeding within 30 days, any stroke or structural CNS abnormality, uncontrolled hypertension, PT >1.2 times control, hematocrit <30%, platelet count <100,000/mm3, and pregnancy.

Patient age ranged from 24 to 93 (mean 62) years, and 73% of patients were male. The study enrolled 90% Caucasian, 5% African American, 2% Hispanic, and 1% Asian patients. Patients received a wide variety of stents. Patients were randomized either to placebo or eptifibatide administered as an intravenous bolus of 180 mcg/kg followed immediately by a continuous infusion of 2 mcg/kg/min, and a second bolus of 180 mcg/kg administered 10 minutes later (180/2/180). Eptifibatide infusion was continued for 18 to 24 hours after PCI or until hospital discharge, whichever came first. Each patient received at least 1 dose of aspirin (162-325 mg) and 60 units/kg of heparin as a bolus (not to exceed 6000 units) if not already receiving a heparin infusion. Additional boluses of heparin (10-40 units/kg) could be administered in order to reach a target ACT between 200 and 300 seconds.

The primary endpoint of the ESPRIT study was the composite of death, MI, urgent target vessel revascularization (UTVR), and “bailout” to open-label eptifibatide due to a thrombotic complication of PCI (TBO) (e.g., visible thrombus, “no reflow,” or abrupt closure) at 48 hours. MI, UTVR, and TBO were evaluated by a blinded Clinical Events Committee.

As shown in Table 8, the incidence of the primary endpoint and selected secondary endpoints was significantly reduced in patients who received eptifibatide. A treatment benefit in patients who received eptifibatide was seen by 48 hours and at the end of the 30-day observation period.

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <caption> <span>Table 8: Clinical Events in the ESPRIT Study </span> </caption> <col width="33%"/> <col width="17%"/> <col width="19%"/> <col width="19%"/> <col width="12%"/> <tfoot> <tr class="First Last"> <td align="left" colspan="5" valign="top">* Eptifibatide was administered as 180 mcg/kg boluses at times 0 and 10 minutes and an infusion at 2 mcg/kg/min.</td> </tr> </tfoot> <tbody class="Headless"> <tr class="First Toprule"> <td align="center" class="Botrule Lrule Toprule" valign="top"> <p class="First"> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold">Placebo</span> <br/> <span class="Bold"> <br/>(n=1024)</span> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold">Eptifibatide<span class="Sup">*</span></span> <br/> <span class="Bold"> <br/>(n=1040)</span> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold">Relative Risk</span> <br/> <span class="Bold">(95% CI)</span> <br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First"> <span class="Bold"> <br/>p-value</span> <br/> </p> </td> </tr> <tr class="Botrule Last"> <td class="Botrule Lrule Toprule" valign="top"> <p class="First">Death, MI, UTVR, or Thrombotic<br/>“Bailout” <br/>    48 hours (primary endpoint)<br/>    30 days<br/>Death, MI, or UTVR<br/>    48 hours<br/>    30 days (key secondary <br/>endpoint)<br/>Death or MI<br/>    48 hours<br/>    30 DAYS</p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <br/> <br/>108 (10.5%)<br/>120 (11.7%)<br/> <br/>95 (9.3%)<br/>107 (10.4%)<br/> <br/>94 (9.2%)<br/>104 (10.2%)<br/> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <br/> <br/>69 (6.6%)<br/>78 (7.5%)<br/> <br/>62 (6%)<br/>71 (6.8%)<br/> <br/>57 (5.5%)<br/>66 (6.3%)<br/> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <br/> <br/>0.629 (0.471, 0.84)<br/>0.64 (0.488, 0.84)<br/> <br/>0.643 (0.472, 0.875)<br/>0.653 (0.49, 0.871)<br/> <br/>0.597 (0.435, 0.82)<br/>0.625 (0.465, 0.84)<br/> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First"> <br/> <br/>0.0015<br/>0.0011<br/> <br/>0.0045<br/>0.0034<br/> <br/>0.0013<br/>0.0016<br/> </p> </td> </tr> </tbody> </table></div>

The need for thrombotic “bailout” was significantly reduced with eptifibatide at 48 hours (2.1% for placebo, 1% for eptifibatide; p=0.029). Consistent with previous studies of GP IIb/IIIa inhibitors, most of the benefit achieved acutely with eptifibatide was in the reduction of MI. Eptifibatide reduced the occurrence of MI at 48 hours from 9% for placebo to 5.4% (p=0.0015) and maintained that effect with significance at 30 days.

There was no treatment difference with respect to sex in ESPRIT. Eptifibatide reduced the incidence of the primary endpoint in both men (95% confidence limits for relative risk: 0.54, 1.07) and women (0.24, 0.72) at 48 hours.

Follow-up (12-month) mortality data were available for 2024 patients (1017 on eptifibatide) enrolled in the ESPRIT trial (98.1% of the initial enrollment). Twelve-month clinical event data were available for 1964 patients (988 on eptifibatide), representing 95.2% of the initial enrollment. As shown in Table 9, the treatment effect of eptifibatide seen at 48 hours and 30 days appeared preserved at 6 months and 1 year. Most of the benefit was in reduction of MI. 

<div class="scrollingtable"><table cellpadding="0pt" cellspacing="0pt" width="100%"> <caption> <span>Table 9: Clinical Events at 6 Months and 1 Year in the ESPRIT Study</span> </caption> <col width="43%"/> <col width="18%"/> <col width="17%"/> <col width="22%"/> <tbody class="Headless"> <tr class="First"> <td class="Botrule Lrule Toprule" valign="top"> <p class="First"> <span class="Bold"> <br/> </span> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold">Placebo</span> <br/> <span class="Bold">(n=1024)</span> </p> </td><td align="center" class="Botrule Toprule" valign="top"> <p class="First"> <span class="Bold">Eptifibatide</span> <br/> <span class="Bold">(n=1040)</span> </p> </td><td align="center" class="Botrule Rrule Toprule" valign="top"> <p class="First"> <span class="Bold">Hazard Ratio</span> <br/> <span class="Bold">(95% CI)</span> </p> </td> </tr> <tr> <td class="Lrule Rrule" colspan="4" valign="top"> <p class="First">Death, MI, or Target Vessel Revascularization </p> </td> </tr> <tr> <td class="Lrule" valign="top"> <p class="First"> <span class="Bold">     </span>6 months</p> </td><td align="center" valign="top"> <p class="First">187 (18.5%)</p> </td><td align="center" valign="top"> <p class="First">146 (14.3%)</p> </td><td align="center" class="Rrule" valign="top"> <p class="First">0.744 (0.599, 0.924)</p> </td> </tr> <tr> <td class="Lrule" valign="top"> <p class="First">     1 year </p> </td><td align="center" valign="top"> <p class="First">222 (22.1%)</p> </td><td align="center" valign="top"> <p class="First">178 (17.5%)</p> </td><td align="center" class="Rrule" valign="top"> <p class="First">0.762 (0.626, 0.929)</p> </td> </tr> <tr> <td class="Lrule Rrule" colspan="4" valign="middle"> <p class="First">Death, MI</p> </td> </tr> <tr> <td class="Lrule" valign="middle"> <p class="First">     6 months </p> </td><td align="center" valign="middle"> <p class="First">117 (11.5%)</p> </td><td align="center" valign="middle"> <p class="First">77 (7.4%)</p> </td><td align="center" class="Rrule" valign="middle"> <p class="First">0.631 (0.473, 0.841)</p> </td> </tr> <tr class="Botrule Last"> <td class="Botrule Lrule" valign="top"> <p class="First">     1 year </p> </td><td align="center" class="Botrule" valign="top"> <p class="First">126 (12.4%)</p> </td><td align="center" class="Botrule" valign="top"> <p class="First">83 (8%)</p> </td><td align="center" class="Botrule Rrule" valign="top"> <p class="First">0.63 (0.478, 0.832)</p> </td> </tr> </tbody> </table></div>

Percentages are Kaplan-Meier event rates.

Eptifibatide injection is supplied as a refrigerated, premixed, sterile, non-pyrogenic solution in single-dose Galaxy containers packed in individual cartons. The single-dose Galaxy plastic containers are available as follows:

<div class="scrollingtable"><table class="Noautorules" width="100%"> <col width="17%"/> <col width="21%"/> <col width="21%"/> <col width="20%"/> <col width="20%"/> <tbody class="Headless"> <tr> <td align="center" class="Botrule Lrule Rrule Toprule" valign="top"> <p class="First">Code</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="top"> <p class="First">NDC No.</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="top"> <p class="First">Container</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="top"> <p class="First">Strength</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="top"> <p class="First">Number of Cartons</p> </td> </tr> <tr> <td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">2G3476</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">0338-9558-10</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First"> <span class="Bold">Galaxy</span> single-dose</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="top"> <p class="First">75 mg per 100 mL<br/>(0.75 mg per mL)</p> </td><td align="center" class="Botrule Lrule Rrule Toprule" valign="middle"> <p class="First">12 Cartons</p> </td> </tr> </tbody> </table></div>

Galaxy containers should be stored refrigerated at 2-8°C (36-46°F). Galaxy containers may be transferred to room temperature storage1 for a period not to exceed 2 months. Upon transfer, Eptifibatide injection cartons must be marked by the dispensing pharmacist with a “DISCARD BY” date (2 months from the transfer date or the labeled expiration date, whichever comes first).

Protect from light. Retain in carton until time of use. Discard unused portion.

1 Store at 25°C (77°F); excursions permitted to 15-30°C (59-86°F) [see USP Controlled Room Temperature].

Instruct patients to inform the doctor or healthcare provider about any medical conditions, medications, and allergies.

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Baxter and Galaxy are trademarks of Baxter International Inc. or its subsidiaries.

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Baxter Logo

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Baxter Healthcare Corporation Deerfield, IL 60015 USA

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07-19-07-571

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Made in USA.

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NDC 0338-9558-10 Eptifibatide Injection 75 mg per 100 mL (0.75 mg / mL) For Intravenous Infusion Only. Not for Intravenous Bolus Use. GALAXYSingle Dose ContainerDiscard unused portion

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Code 2G3476Sterile Nonpyrogenic

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Each mL contains 0.75 mg Eptifibatide; 5.25 mg citric acid, USP; andWater for Injection, USP. pH adjusted with sodium hydroxide to 5.35.

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Dosage: See prescribing information.

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Caution: Do not add supplemental medication or additives.

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Rx only

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Use carton to protect contents from light until administration. Storerefrigerated at 2-8°C (36-46°F). May be transferred to 25°C (77°F; USPControlled Room Temperature) for up to 2 months. Must be discarded ifnot used within 2 months of transfer.

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____________________________________________________________

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Baxter Logo

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Baxter and Galaxy are registered trademarks of Baxter International Inc. Baxter Healthcare Corporation, Deerfield, IL 60015 USAMade in USA

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07-34-00-2284

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Bar Code Position Only 303389558101

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NDC 0338-9558-10

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Eptifibatide Injection 75 mg per 100 mL (0.75 mg/mL)For Intravenous Infusion Only. Not for Intravenous Bolus Use.

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Rx Only

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USE CARTON TO PROTECT CONTENTSFROM LIGHT UNTIL ADMINISTRATION

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1 GALAXY Single Dose Container Discard unused portion

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Baxter LogoDeerfield, IL 60015 USA

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For Intravenous Infusion Only. Not for Intravenous Bolus Use. Eptifibatide Injection

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75 mg per 100 mL (0.75 mg/mL)

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NDC 0338-9558-10

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Eptifibatide Injection 75 mg per 100 mL (0.75 mg/mL)

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For Intravenous Infusion Only.Not For Intravenous Bolus Use.

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UNVARNISHED AREA FOR ON-LINEPRINTING OF LOT & EXP

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*UPC-ABar Code Placement

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303389558101

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Each mL contains 0.75 mg Eptifibatide; 5.25 mg citric acid, USP; and Water for Injection, USP. pH adjusted with sodium hydroxide to 5.35.

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Dosage: See prescribing information.

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Caution: Do not add supplemental medication or additives.

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Rx only

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Use carton to protect contents from light until administration. Store refrigerated at 2-8°C (36-46°F). May be transferred to 25°C (77°F; USP Controlled Room Temperature) for up to 2 months. Must be discarded if not used within 2 months of transfer.

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<div class="scrollingtable"><table width="100%"> <col width="22%"/> <col width="24%"/> <col width="20%"/> <col width="2%"/> <tbody class="Headless"> <tr class="First"> <td align="center" class="Lrule Rrule Toprule" colspan="4" valign="top"> <p class="First">Discard if not used within 2 months of transfer to 25°C (77°F)</p> </td> </tr> <tr> <td align="center" class="Lrule Rrule" colspan="4" valign="top"> <p class="First">Discard Use</p> </td> </tr> <tr> <td class="Botrule Lrule Rrule" valign="top"></td><td class="Botrule Lrule Rrule" valign="top"></td><td class="Botrule Lrule" valign="top"></td><td class="Botrule Rrule" valign="top"></td> </tr> <tr> <td align="center" class="Lrule Rrule" valign="top"> <p class="First">(Month)</p> </td><td align="center" class="Lrule Rrule Toprule" valign="top"> <p class="First">(Day)</p> </td><td align="center" class="Lrule Toprule" valign="top"> <p class="First">(Year)</p> </td><td class="Rrule Toprule" valign="top"></td> </tr> <tr class="Last"> <td align="center" class="Botrule Lrule Rrule" colspan="4" valign="top"> <p class="First">(to be completed by dispensing pharmacist)</p> </td> </tr> </tbody> </table></div>

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Baxter and Galaxy are registered trademarks of Baxter International Inc. Baxter Healthcare Corporation, Deerfield, IL 60015 USA

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07-01-75-957

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For Intravenous Infusion Only.Not For Intravenous Bolus Use. Eptifibatide Injection

{ "type": "p", "children": [], "text": "For Intravenous Infusion Only.Not For Intravenous Bolus Use.\nEptifibatide Injection\n" }

75 mg per 100 mL (0.75 mg/ mL)

{ "type": "p", "children": [], "text": "\n75 mg per 100 mL\n(0.75 mg/ mL)\n" }

For Intravenous Infusion Only. Not For Intravenous Bolus Use. Eptifibatide Injection

{ "type": "p", "children": [], "text": "For Intravenous Infusion Only. Not For Intravenous Bolus Use.\nEptifibatide Injection\n" }

75 mg per 100 mL (0.75 mg/ mL)

{ "type": "p", "children": [], "text": "\n75 mg per 100 mL\n(0.75 mg/ mL)" }

For Intravenous Infusion Only.Not For Intravenous Bolus Use. Eptifibatide Injection

{ "type": "p", "children": [], "text": "For Intravenous Infusion Only.Not For Intravenous Bolus Use.\nEptifibatide Injection\n" }

75 mg per 100 mL (0.75 mg/ mL)

{ "type": "p", "children": [], "text": "\n75 mg per 100 mL\n(0.75 mg/ mL)" }

Eptifibatide injection is indicated to decrease the rate of a combined endpoint of death or new myocardial infarction (MI) in patients with ACS (unstable angina [UA]/non-ST-elevation myocardial infarction [NSTEMI]), including patients who are to be managed medically and those undergoing percutaneous coronary intervention (PCI).

Eptifibatide injection is indicated to decrease the rate of a combined endpoint of death, new MI, or need for urgent intervention in patients undergoing PCI, including those undergoing intracoronary stenting [see Clinical Studies (14.1, 14.2)].

<div class="scrollingtable"><table width="80%"> <colgroup> <col align="left" valign="top" width="20%"/> <col align="left" valign="top" width="40%"/> <col align="left" valign="top" width="40%"/> </colgroup> <thead> <tr class="First First Last Last"> <th align="left" class="Lrule Rrule">Indication</th><th align="left" class="Rrule">Normal Renal Function</th><th align="left" class="Rrule">Creatinine Clearance less than 50 mL/min</th> </tr> </thead> <tbody> <tr class="Botrule First First"> <td align="left" class="Lrule Rrule">Patients with ACS</td><td align="left" class="Rrule">180 mcg/kg intravenous (IV) bolus as soon as possible after diagnosis, followed by continuous infusion of 2 mcg/kg/min</td><td align="left" class="Rrule">180 mcg/kg IV bolus as soon as possible after diagnosis, followed by continuous infusion of 1 mcg/kg/min</td> </tr> <tr class="Last"> <td align="left" class="Lrule Rrule"></td><td align="left" class="Rrule" colspan="2"> <ul> <li>Infusion should continue until hospital discharge or initiation of coronary artery bypass graft surgery (CABG), up to 72 hours</li> <li>If a patient is to undergo PCI, the infusion should be continued until hospital discharge or for up to 18 to 24 hours after the procedure, whichever comes first, allowing for up to 96 hours of therapy</li> <li>Aspirin, 160 to 325 mg, should be given daily.</li> </ul> </td> </tr> </tbody> </table></div>

Eptifibatide injection should be given concomitantly with heparin dosed to achieve the following parameters:

During Medical Management: Target aPTT 50 to 70 seconds

During PCI: Target ACT 200 to 300 seconds

<div class="scrollingtable"><table width="80%"> <colgroup> <col align="left" valign="top" width="20%"/> <col align="left" valign="top" width="40%"/> <col align="left" valign="top" width="40%"/> </colgroup> <thead> <tr class="First First Last Last"> <th align="left" class="Lrule Rrule">Indication</th><th align="left" class="Rrule">Normal Renal Function</th><th align="left" class="Rrule">Creatinine Clearance less than 50 mL/min</th> </tr> </thead> <tbody> <tr class="Botrule First First"> <td align="left" class="Lrule Rrule">Patients with PCI</td><td align="left" class="Rrule">180 mcg/kg IV bolus immediately before PCI followed by continuous infusion of 2 mcg/kg/min and a second bolus of 180 mcg/kg (given 10 minutes after the first bolus)</td><td align="left" class="Rrule">180 mcg/kg IV bolus immediately before PCI followed by continuous infusion of 1 mcg/kg/min and a second bolus of 180 mcg/kg (given 10 minutes after the first bolus)</td> </tr> <tr class="Last"> <td align="left" class="Lrule Rrule"></td><td align="left" class="Rrule" colspan="2"> <ul class="Disc"> <li>Infusion should be continued until hospital discharge, or for up to 18 to 24 hours, whichever comes first. A minimum of 12 hours of infusion is recommended.</li> <li>In patients who undergo CABG surgery, eptifibatide injection infusion should be discontinued prior to surgery.</li> <li>Aspirin, 160 to 325 mg, should be given 1 to 24 hours prior to PCI and daily thereafter.</li> </ul> </td> </tr> </tbody> </table></div>

Patients requiring thrombolytic therapy should discontinue eptifibatide injection.

Administer eptifibatide injection by volume according to patient weight (see Table 1).

<div class="scrollingtable"><table width="100%"> <caption> <span>Table 1: Eptifiatide Injection Dosing Charts by Weight</span> </caption> <colgroup> <col align="center" valign="top" width="16%"/> <col align="center" valign="top" width="14%"/> <col align="center" valign="top" width="14%"/> <col align="center" valign="top" width="14%"/> <col align="center" valign="top" width="14%"/> <col align="center" valign="top" width="14%"/> <col align="center" valign="top" width="14%"/> </colgroup> <thead> <tr class="First First Last Last"> <th align="center" class="Lrule" colspan="2">Patient Weight</th><th align="center">180-mcg/kg<br/>Bolus Volume</th><th align="center" colspan="2">2-mcg/kg/min<br/>Infusion Volume<br/>(CrCl greater than or equal to 50 mL/min)</th><th align="center" class="Rrule" colspan="2">1-mcg/kg/min<br/>Infusion Volume<br/>(CrCl less than 50 mL/min)</th> </tr> </thead> <tbody> <tr class="Botrule First First"> <td align="center" class="Lrule"><span class="Bold">(kg)</span></td><td align="center"><span class="Bold">(lb)</span></td><td align="center"><span class="Bold">(from 2-mg/mL vial)</span></td><td align="center"><span class="Bold">(from 2-mg/mL 100-mL vial)</span></td><td align="center"><span class="Bold">(from 0.75-mg/mL 100-mL vial)</span></td><td align="center"><span class="Bold">(from 2-mg/mL 100-mL vial)</span></td><td align="center" class="Rrule"><span class="Bold">(from 0.75-mg/mL 100-mL vial)</span></td> </tr> <tr> <td align="center" class="Lrule">37-41</td><td align="center">81-91</td><td align="center">3.4 mL</td><td align="center">2 mL/h</td><td align="center">6 mL/h</td><td align="center">1 mL/h</td><td align="center" class="Rrule">3 mL/h</td> </tr> <tr> <td align="center" class="Lrule">42-46</td><td align="center">92-102</td><td align="center">4 mL</td><td align="center">2.5 mL/h</td><td align="center">7 mL/h</td><td align="center">1.3 mL/h</td><td align="center" class="Rrule">3.5 mL/h</td> </tr> <tr> <td align="center" class="Lrule">47-53</td><td align="center">103-117</td><td align="center">4.5 mL</td><td align="center">3 mL/h</td><td align="center">8 mL/h</td><td align="center">1.5 mL/h</td><td align="center" class="Rrule">4 mL/h</td> </tr> <tr> <td align="center" class="Lrule">54-59</td><td align="center">118-130</td><td align="center">5 mL</td><td align="center">3.5 mL/h</td><td align="center">9 mL/h</td><td align="center">1.8 mL/h</td><td align="center" class="Rrule">4.5 mL/h</td> </tr> <tr> <td align="center" class="Lrule">60-65</td><td align="center">131-143</td><td align="center">5.6 mL</td><td align="center">3.8 mL/h</td><td align="center">10 mL/h</td><td align="center">1.9 mL/h</td><td align="center" class="Rrule">5 mL/h</td> </tr> <tr> <td align="center" class="Lrule">66-71</td><td align="center">144-157</td><td align="center">6.2 mL</td><td align="center">4 mL/h</td><td align="center">11 mL/h</td><td align="center">2 mL/h</td><td align="center" class="Rrule">5.5 mL/h</td> </tr> <tr> <td align="center" class="Lrule">72-78</td><td align="center">158-172</td><td align="center">6.8 mL</td><td align="center">4.5 mL/h</td><td align="center">12 mL/h</td><td align="center">2.3 mL/h</td><td align="center" class="Rrule">6 mL/h</td> </tr> <tr> <td align="center" class="Lrule">79-84</td><td align="center">173-185</td><td align="center">7.3 mL</td><td align="center">5 mL/h</td><td align="center">13 mL/h</td><td align="center">2.5 mL/h</td><td align="center" class="Rrule">6.5 mL/h</td> </tr> <tr> <td align="center" class="Lrule">85-90</td><td align="center">186-198</td><td align="center">7.9 mL</td><td align="center">5.3 mL/h</td><td align="center">14 mL/h</td><td align="center">2.7 mL/h</td><td align="center" class="Rrule">7 mL/h</td> </tr> <tr> <td align="center" class="Lrule">91-96</td><td align="center">199-212</td><td align="center">8.5 mL</td><td align="center">5.6 mL/h</td><td align="center">15 mL/h</td><td align="center">2.8 mL/h</td><td align="center" class="Rrule">7.5 mL/h</td> </tr> <tr> <td align="center" class="Lrule">97-103</td><td align="center">213-227</td><td align="center">9 mL</td><td align="center">6 mL/h</td><td align="center">16 mL/h</td><td align="center">3.0 mL/h</td><td align="center" class="Rrule">8 mL/h</td> </tr> <tr> <td align="center" class="Lrule">104-109</td><td align="center">228-240</td><td align="center">9.5 mL</td><td align="center">6.4 mL/h</td><td align="center">17 mL/h</td><td align="center">3.2 mL/h</td><td align="center" class="Rrule">8.5 mL/h</td> </tr> <tr> <td align="center" class="Lrule">110-115</td><td align="center">241-253</td><td align="center">10.2 mL</td><td align="center">6.8 mL/h</td><td align="center">18 mL/h</td><td align="center">3.4 mL/h</td><td align="center" class="Rrule">9 mL/h</td> </tr> <tr> <td align="center" class="Lrule">116-121</td><td align="center">254-267</td><td align="center">10.7 mL</td><td align="center">7 mL/h</td><td align="center">19 mL/h</td><td align="center">3.5 mL/h</td><td align="center" class="Rrule">9.5 mL/h</td> </tr> <tr class="Last"> <td align="center" class="Lrule">&gt;121</td><td align="center">&gt;267</td><td align="center">11.3 mL</td><td align="center">7.5 mL/h</td><td align="center">20 mL/h</td><td align="center">3.7 mL/h</td><td align="center" class="Rrule">10 mL/h</td> </tr> </tbody> </table></div>

{ "type": "ul", "children": [ "Injection: 20 mg of eptifibatide in 10 mL (2 mg/mL), for intravenous bolus.", "Injection: 75 mg of eptifibatide in 100 mL (0.75 mg/mL), for intravenous infusion." ], "text": "" }

Treatment with eptifibatide is contraindicated in patients with:

{ "type": "p", "children": [], "text": "Treatment with eptifibatide is contraindicated in patients with:" }

{ "type": "ul", "children": [ "A history of bleeding diathesis, or evidence of active abnormal bleeding within the previous 30 days", "Severe hypertension (systolic blood pressure >200 mm Hg or diastolic blood pressure >110 mm Hg) not adequately controlled on antihypertensive therapy", "Major surgery within the preceding 6 weeks", "History of stroke within 30 days or any history of hemorrhagic stroke", "Current or planned administration of another parenteral GP IIb/IIIa inhibitor", "Dependency on renal dialysis", "Hypersensitivity to eptifibatide or any component of the product (hypersensitivity reactions that occurred included anaphylaxis and urticaria)" ], "text": "" }

Bleeding is the most common complication encountered during eptifibatide therapy. Administration of eptifibatide is associated with an increase in major and minor bleeding, as classified by the criteria of the Thrombolysis in Myocardial Infarction Study group (TIMI) [see Adverse Reactions (6.1)]. Most major bleeding associated with eptifibatide has been at the arterial access site for cardiac catheterization or from the gastrointestinal or genitourinary tract. Minimize the use of arterial and venous punctures, intramuscular injections, and the use of urinary catheters, nasotracheal intubation, and nasogastric tubes. When obtaining intravenous access, avoid non-compressible sites (e.g., subclavian or jugular veins).

Use of Thrombolytics, Anticoagulants, and Other Antiplatelet Agents

Risk factors for bleeding include older age, a history of bleeding disorders, and concomitant use of drugs that increase the risk of bleeding (thrombolytics, oral anticoagulants, nonsteroidal anti-inflammatory drugs, and P2Y12 inhibitors). Concomitant treatment with other inhibitors of platelet receptor glycoprotein (GP) IIb/IIIa should be avoided. In patients treated with heparin, bleeding can be minimized by close monitoring of the aPTT and ACT [see Dosage and Administration (2)].

Care of the Femoral Artery Access Site in Patients Undergoing Percutaneous Coronary Intervention (PCI)

In patients undergoing PCI, treatment with eptifibatide is associated with an increase in major and minor bleeding at the site of arterial sheath placement. After PCI, eptifibatide infusion should be continued until hospital discharge or up to 18 to 24 hours, whichever comes first. Heparin use is discouraged after the PCI procedure. Early sheath removal is encouraged while eptifibatide is being infused. Prior to removing the sheath, it is recommended that heparin be discontinued for 3 to 4 hours and an aPTT of <45 seconds or ACT <150 seconds be achieved. In any case, both heparin and eptifibatide should be discontinued and sheath hemostasis should be achieved at least 2 to 4 hours before hospital discharge. If bleeding at access site cannot be controlled with pressure, infusion of eptifibatide and heparin should be discontinued immediately.

There have been reports of acute, profound thrombocytopenia (immune-mediated and non-immune mediated) with eptifibatide. In the event of acute profound thrombocytopenia or a confirmed platelet decrease to <100,000/mm3, discontinue eptifibatide and heparin (unfractionated or low-molecular weight). Monitor serial platelet counts, assess the presence of drug-dependent antibodies, and treat as appropriate [see Adverse Reactions (6.1)].

There has been no clinical experience with eptifibatide initiated in patients with a baseline platelet count <100,000/mm3. If a patient with low platelet counts is receiving eptifibatide, their platelet count should be monitored closely.

Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.

A total of 16,782 patients were treated in the Phase III clinical trials (PURSUIT, ESPRIT, and IMPACT II) [see Clinical Studies (14)]. These 16,782 patients had a mean age of 62 years (range: 20-94 years). Eighty-nine percent of the patients were Caucasian, with the remainder being predominantly Black (5%) and Hispanic (5%). Sixty-eight percent were men. Because of the different regimens used in PURSUIT, IMPACT II, and ESPRIT, data from the 3 studies were not pooled.

Bleeding and hypotension were the most commonly reported adverse reactions (incidence ≥5% and greater than placebo) in the eptifibatide controlled clinical trial database.

Bleeding

The incidence of bleeding and transfusions in the PURSUIT and ESPRIT studies are shown in Table 2. Bleeding was classified as major or minor by the criteria of the TIMI study group. Major bleeding consisted of intracranial hemorrhage and other bleeding that led to decreases in hemoglobin greater than 5 g/dL. Minor bleeding included spontaneous gross hematuria, spontaneous hematemesis, other observed blood loss with a hemoglobin decrease of more than 3 g/dL, and other hemoglobin decreases that were greater than 4 g/dL but less than 5 g/dL. In patients who received transfusions, the corresponding loss in hemoglobin was estimated through an adaptation of the method of Landefeld et al.

<div class="scrollingtable"><table width="80%"> <caption> <span>Table 2: Bleeding and Transfusions in the PURSUIT and ESPRIT Studies</span> </caption> <colgroup> <col align="left" valign="top" width="40%"/> <col align="center" valign="top" width="30%"/> <col align="center" valign="top" width="30%"/> </colgroup> <thead> <tr class="First"> <th align="center" colspan="3">PURSUIT (ACS)</th> </tr> <tr> <th align="left"></th><th align="center">Placebo</th><th align="center">Eptifibatide<br/>180/2</th> </tr> <tr class="Last"> <th align="left"></th><th align="center">n (%)</th><th align="center">n (%)</th> </tr> </thead> <tfoot> <tr class="First First Last Last"> <td align="left" colspan="5">Note: Denominator is based on patients for whom data are available.</td> </tr> <tr> <td align="left" colspan="3"> <dl class="Footnote"> <dt> <a href="#footnote-reference-1" name="footnote-1">*</a> </dt> <dd>For major and minor bleeding, patients are counted only once according to the most severe classification.</dd> <dt> <a href="#footnote-reference-2" name="footnote-2">†</a> </dt> <dd>Includes transfusions of whole blood, packed red blood cells, fresh frozen plasma, cryoprecipitate, platelets, and autotransfusion during the initial hospitalization.</dd> </dl> </td> </tr> </tfoot> <tbody> <tr class="First"> <td align="left">Patients</td><td align="center">4696</td><td align="center">4679</td> </tr> <tr> <td align="left">Major bleeding<a class="Sup" href="#footnote-1" name="footnote-reference-1">*</a></td><td align="center">425 (9.3%)</td><td align="center">498 (10.8%)</td> </tr> <tr> <td align="left">Minor bleeding<a class="Sup" href="#footnote-1">*</a></td><td align="center">347 (7.6%)</td><td align="center">604 (13.1%)</td> </tr> <tr class="Botrule"> <td align="left">Requiring transfusions<a class="Sup" href="#footnote-2" name="footnote-reference-2">†</a></td><td align="center">490 (10.4%)</td><td align="center">601 (12.8%)</td> </tr> <tr> <td align="center" colspan="3"><span class="Bold">ESPRIT (PCI)</span></td> </tr> <tr> <td align="left"></td><td align="center"><span class="Bold">Placebo</span></td><td align="center"><span class="Bold">Eptifibatide</span> <br/> <span class="Bold">180/2/180</span></td> </tr> <tr class="Botrule"> <td align="left"></td><td align="center"><span class="Bold">n (%)</span></td><td align="center"><span class="Bold">n (%)</span></td> </tr> <tr> <td align="left">Patients</td><td align="center">1024</td><td align="center">1040</td> </tr> <tr> <td align="left">Major bleeding<a class="Sup" href="#footnote-1">*</a></td><td align="center">4 (0.4%)</td><td align="center">13 (1.3%)</td> </tr> <tr> <td align="left">Minor bleeding<a class="Sup" href="#footnote-1">*</a></td><td align="center">18 (2%)</td><td align="center">29 (3%)</td> </tr> <tr class="Last"> <td align="left">Requiring transfusions<a class="Sup" href="#footnote-2">†</a></td><td align="center">11 (1.1%)</td><td align="center">16 (1.5%)</td> </tr> </tbody> </table></div>

The majority of major bleeding reactions in the ESPRIT study occurred at the vascular access site (1 and 8 patients, or 0.1% and 0.8% in the placebo and eptifibatide groups, respectively). Bleeding at "other" locations occurred in 0.2% and 0.4% of patients, respectively.

In the PURSUIT study, the greatest increase in major bleeding in eptifibatide-treated patients compared to placebo-treated patients was also associated with bleeding at the femoral artery access site (2.8% versus 1.3%). Oropharyngeal (primarily gingival), genitourinary, gastrointestinal, and retroperitoneal bleeding were also seen more commonly in eptifibatide-treated patients compared to placebo-treated patients.

Among patients experiencing a major bleed in the IMPACT II study, an increase in bleeding on eptifibatide versus placebo was observed only for the femoral artery access site (3.2% versus 2.8%).

Table 3 displays the incidence of TIMI major bleeding according to the cardiac procedures carried out in the PURSUIT study. The most common bleeding complications were related to cardiac revascularization (CABG-related or femoral artery access site bleeding). A corresponding table for ESPRIT is not presented, as every patient underwent PCI in the ESPRIT study and only 11 patients underwent CABG.

<div class="scrollingtable"><table width="80%"> <caption> <span>Table 3: Major Bleeding by Procedures in the PURSUIT Study</span> </caption> <colgroup> <col align="left" valign="top" width="40%"/> <col align="center" valign="top" width="30%"/> <col align="center" valign="top" width="30%"/> </colgroup> <thead> <tr class="First"> <th align="left"></th><th align="center">Placebo</th><th align="center">Eptifibatide</th> </tr> <tr> <th align="left"></th><th align="center"></th><th align="center">180/2</th> </tr> <tr class="Last"> <th align="left"></th><th align="center">n (%)</th><th align="center">n (%)</th> </tr> </thead> <tfoot> <tr class="First First Last Last"> <td align="left" colspan="3">Note: Denominators are based on the total number of patients whose TIMI classification was resolved.</td> </tr> </tfoot> <tbody> <tr class="First"> <td align="left">Patients</td><td align="center">4577</td><td align="center">4604</td> </tr> <tr> <td align="left">Overall incidence of major bleeding</td><td align="center">425 (9.3%)</td><td align="center">498 (10.8%)</td> </tr> <tr> <td align="left">Breakdown by procedure:</td><td align="center"></td><td align="center"></td> </tr> <tr> <td align="left">  CABG</td><td align="center">375 (8.2%)</td><td align="center">377 (8.2%)</td> </tr> <tr> <td align="left">  Angioplasty without CABG</td><td align="center">27 (0.6%)</td><td align="center">64 (1.4%)</td> </tr> <tr> <td align="left">  Angiography without angioplasty or CABG</td><td align="center">11 (0.2%)</td><td align="center">29 (0.6%)</td> </tr> <tr class="Last"> <td align="left">  Medical therapy only</td><td align="center">12 (0.3%)</td><td align="center">28 (0.6%)</td> </tr> </tbody> </table></div>

In the PURSUIT and ESPRIT studies, the risk of major bleeding with eptifibatide increased as patient weight decreased. This relationship was most apparent for patients weighing less than 70 kg.

Bleeding resulting in discontinuation of the study drug was more frequent among patients receiving eptifibatide than placebo (4.6% versus 0.9% in ESPRIT, 8% versus 1% in PURSUIT, 3.5% versus 1.9% in IMPACT II).

Intracranial Hemorrhage and Stroke

Intracranial hemorrhage was rare in the PURSUIT, IMPACT II, and ESPRIT clinical studies. In the PURSUIT study, 3 patients in the placebo group, 1 patient in the group treated with eptifibatide 180/1.3, and 5 patients in the group treated with eptifibatide 180/2 experienced a hemorrhagic stroke. The overall incidence of stroke was 0.5% in patients receiving eptifibatide 180/1.3, 0.7% in patients receiving eptifibatide 180/2, and 0.8% in placebo patients.

In the IMPACT II study, intracranial hemorrhage was experienced by 1 patient treated with eptifibatide 135/0.5, 2 patients treated with eptifibatide 135/0.75, and 2 patients in the placebo group. The overall incidence of stroke was 0.5% in patients receiving 135/0.5 eptifibatide, 0.7% in patients receiving eptifibatide 135/0.75, and 0.7% in the placebo group.

In the ESPRIT study, there were 3 hemorrhagic strokes, 1 in the placebo group and 2 in the eptifibatide group. In addition there was 1 case of cerebral infarction in the eptifibatide group.

Immunogenicity/Thrombocytopenia

The potential for development of antibodies to eptifibatide has been studied in 433 subjects. eptifibatide was nonantigenic in 412 patients receiving a single administration of eptifibatide (135-mcg/kg bolus followed by a continuous infusion of either 0.5 mcg/kg/min or 0.75 mcg/kg/min), and in 21 subjects to whom eptifibatide (135-mcg/kg bolus followed by a continuous infusion of 0.75 mcg/kg/min) was administered twice, 28 days apart. In both cases, plasma for antibody detection was collected approximately 30 days after each dose. The development of antibodies to eptifibatide at higher doses has not been evaluated.

In patients with suspected eptifibatide-related immune-mediated thrombocytopenia, IgG antibodies that react with the GP IIb/IIIa complex were identified in the presence of eptifibatide and in eptifibatide-naïve patients. These findings suggest acute thrombocytopenia after the administration of eptifibatide can develop as a result of naturally occurring drug-dependent antibodies or those induced by prior exposure to eptifibatide. Similar antibodies were identified with other GP IIb/IIIa ligand-mimetic agents. Immune-mediated thrombocytopenia with eptifibatide may be associated with hypotension and/or other signs of hypersensitivity.

In the PURSUIT and IMPACT II studies, the incidence of thrombocytopenia (<100,000/mm3 or ≥50% reduction from baseline) and the incidence of platelet transfusions were similar between patients treated with eptifibatide and placebo. In the ESPRIT study, the incidence was 0.6% in the placebo group and 1.2% in the eptifibatide group.

Other Adverse Reactions

In the PURSUIT and ESPRIT studies, the incidence of serious nonbleeding adverse reactions was similar in patients receiving placebo or eptifibatide (19% and 19%, respectively, in PURSUIT; 6% and 7%, respectively, in ESPRIT). In PURSUIT, the only serious nonbleeding adverse reaction that occurred at a rate of at least 1% and was more common with eptifibatide than placebo (7% versus 6%) was hypotension. Most of the serious nonbleeding adverse reactions consisted of cardiovascular reactions typical of a UA population. In the IMPACT II study, serious nonbleeding adverse reactions that occurred in greater than 1% of patients were uncommon and similar in incidence between placebo- and eptifibatide-treated patients.

Discontinuation of study drug due to adverse reactions other than bleeding was uncommon in the PURSUIT, IMPACT II, and ESPRIT studies, with no single reaction occurring in >0.5% of the study population (except for "other" in the ESPRIT study).

The following adverse reactions have been reported in post-approval use of eptifibatide in combination with heparin and aspirin. Because the reactions below are reported voluntarily from a population of uncertain size, it is generally not possible to reliably estimate their frequency or establish a causal relationship to drug exposure: cerebral, GI, and pulmonary hemorrhage. Fatal bleeding reactions have been reported. Acute profound thrombocytopenia, as well as immune-mediated thrombocytopenia, have been reported [see Adverse Reactions (6.1)].

Coadministration of antiplatelet agents, thrombolytics, heparin, aspirin, and chronic NSAID use increases the risk of bleeding. Concomitant treatment with other inhibitors of platelet receptor GP IIb/IIIa should be avoided.

Risk Summary

Available data on eptifibatide use in pregnant women from published literature and the pharmacovigilance database are insufficient to establish a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. Untreated myocardial infarction can be fatal to the pregnant woman and fetus (see Clinical Considerations). In animal reproduction studies, there was no evidence of adverse developmental effects when eptifibatide was administered intravenously to pregnant rats and rabbits at approximately 4 times the recommended maximum daily human dose.

The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.

Clinical Considerations

Disease-associated maternal and/or embryo/fetal risk

Myocardial infarction is a medical emergency in pregnancy which can be fatal to the pregnant woman and fetus if left untreated. Therapy for the pregnant woman should not be withheld because of potential concerns regarding the effects of eptifibatide on the fetus

Data

Animal Data

Embryo-fetal development studies have been performed by continuous intravenous infusion of eptifibatide in pregnant rats during the period of organogenesis at total daily doses of up to 72 mg/kg/day (about 4 times the recommended maximum daily human dose on a body surface area basis) and in pregnant rabbits during the period of organogenesis at total daily doses of up to 36 mg/kg/day (also about 4 times the recommended maximum daily human dose on a body surface area basis). These studies revealed no evidence of harm to the fetus due to eptifibatide.

Risk Summary

There are no available data on the presence of eptifibatide in human milk, the effects on the breastfed infant, or the effects on milk production. As eptifibatide is a peptide, it is likely to be destroyed in the infant’s gastrointestinal tract and not absorbed orally by the breastfed infant.

Safety and effectiveness of eptifibatide in pediatric patients have not been studied.

The PURSUIT and IMPACT II clinical studies enrolled patients up to the age of 94 years (45% were age 65 and over; 12% were age 75 and older). There was no apparent difference in efficacy between older and younger patients treated with eptifibatide. The incidence of bleeding complications was higher in the elderly in both placebo and eptifibatide groups, and the incremental risk of eptifibatide-associated bleeding was greater in the older patients. No dose adjustment was made for elderly patients, but patients over 75 years of age had to weigh at least 50 kg to be enrolled in the PURSUIT study; no such limitation was stipulated in the ESPRIT study [see Adverse Reactions (6.1)].

Approximately 50% of eptifibatide is cleared by the kidney in patients with normal renal function. Total drug clearance is decreased by approximately 50% and steady-state plasma eptifibatide concentrations are doubled in patients with an estimated CrCl <50 mL/min (using the Cockcroft-Gault equation). Therefore, the infusion dose should be reduced to 1 mcg/kg/min in such patients [see Dosage and Administration (2)]. The safety and efficacy of eptifibatide in patients dependent on dialysis has not been established.

There has been only limited experience with overdosage of eptifibatide. There were 8 patients in the IMPACT II study, 9 patients in the PURSUIT study, and no patients in the ESPRIT study who received bolus doses and/or infusion doses more than double those called for in the protocols. None of these patients experienced an intracranial bleed or other major bleeding.

{ "type": "p", "children": [], "text": "There has been only limited experience with overdosage of eptifibatide. There were 8 patients in the IMPACT II study, 9 patients in the PURSUIT study, and no patients in the ESPRIT study who received bolus doses and/or infusion doses more than double those called for in the protocols. None of these patients experienced an intracranial bleed or other major bleeding." }

Eptifibatide was not lethal to rats, rabbits, or monkeys when administered by continuous intravenous infusion for 90 minutes at a total dose of 45 mg/kg (about 2 to 5 times the recommended maximum daily human dose on a body surface area basis). Symptoms of acute toxicity were loss of righting reflex, dyspnea, ptosis, and decreased muscle tone in rabbits and petechial hemorrhages in the femoral and abdominal areas of monkeys.

{ "type": "p", "children": [], "text": "Eptifibatide was not lethal to rats, rabbits, or monkeys when administered by continuous intravenous infusion for 90 minutes at a total dose of 45 mg/kg (about 2 to 5 times the recommended maximum daily human dose on a body surface area basis). Symptoms of acute toxicity were loss of righting reflex, dyspnea, ptosis, and decreased muscle tone in rabbits and petechial hemorrhages in the femoral and abdominal areas of monkeys." }

From in vitro studies, eptifibatide is not extensively bound to plasma proteins and thus may be cleared from plasma by dialysis.

{ "type": "p", "children": [], "text": "From in vitro studies, eptifibatide is not extensively bound to plasma proteins and thus may be cleared from plasma by dialysis." }

Eptifibatide is a cyclic heptapeptide containing 6 amino acids and 1 mercaptopropionyl (des-amino cysteinyl) residue. An interchain disulfide bridge is formed between the cysteine amide and the mercaptopropionyl moieties. Chemically it is N6-(aminoiminomethyl)-N2-(3-mercapto-1-oxopropyl)-L-lysylglycyl-L-α-aspartyl-L-tryptophyl-L-prolyl-L-cysteinamide, cyclic (1→6)-disulfide. Eptifibatide binds to the platelet receptor glycoprotein (GP) IIb/IIIa of human platelets and inhibits platelet aggregation.

{ "type": "p", "children": [], "text": "Eptifibatide is a cyclic heptapeptide containing 6 amino acids and 1 mercaptopropionyl (des-amino cysteinyl) residue. An interchain disulfide bridge is formed between the cysteine amide and the mercaptopropionyl moieties. Chemically it is N6-(aminoiminomethyl)-N2-(3-mercapto-1-oxopropyl)-L-lysylglycyl-L-α-aspartyl-L-tryptophyl-L-prolyl-L-cysteinamide, cyclic (1→6)-disulfide. Eptifibatide binds to the platelet receptor glycoprotein (GP) IIb/IIIa of human platelets and inhibits platelet aggregation." }

The eptifibatide peptide is produced by solid-phase peptide synthesis, and is purified by preparative reverse-phase liquid chromatography and lyophilized. The structural formula is:

{ "type": "p", "children": [], "text": "The eptifibatide peptide is produced by solid-phase peptide synthesis, and is purified by preparative reverse-phase liquid chromatography and lyophilized. The structural formula is:" }

Eptifibatide Injection is a clear, colorless, sterile, non-pyrogenic solution for intravenous (IV) use with an empirical formula of C35H49N11O9S2 and a molecular weight of 831.96. Each 10-mL vial contains 2 mg/mL of eptifibatide and each 100-mL vial contains 0.75 mg/mL of eptifibatide. Each vial of either size also contains 5.25 mg/mL citric acid and sodium hydroxide to adjust the pH to 5.35.

{ "type": "p", "children": [], "text": "Eptifibatide Injection is a clear, colorless, sterile, non-pyrogenic solution for intravenous (IV) use with an empirical formula of C35H49N11O9S2 and a molecular weight of 831.96. Each 10-mL vial contains 2 mg/mL of eptifibatide and each 100-mL vial contains 0.75 mg/mL of eptifibatide. Each vial of either size also contains 5.25 mg/mL citric acid and sodium hydroxide to adjust the pH to 5.35." }

Eptifibatide reversibly inhibits platelet aggregation by preventing the binding of fibrinogen, von Willebrand factor, and other adhesive ligands to GP IIb/IIIa. When administered intravenously, eptifibatide inhibits ex vivo platelet aggregation in a dose- and concentration-dependent manner. Platelet aggregation inhibition is reversible following cessation of the eptifibatide infusion; this is thought to result from dissociation of eptifibatide from the platelet.

Infusion of eptifibatide into baboons caused a dose-dependent inhibition of ex vivo platelet aggregation, with complete inhibition of aggregation achieved at infusion rates greater than 5 mcg/kg/min. In a baboon model that is refractory to aspirin and heparin, doses of eptifibatide that inhibit aggregation prevented acute thrombosis with only a modest prolongation (2- to 3-fold) of the bleeding time. Platelet aggregation in dogs was also inhibited by infusions of eptifibatide, with complete inhibition at 2 mcg/kg/min. This infusion dose completely inhibited canine coronary thrombosis induced by coronary artery injury (Folts model).

Human pharmacodynamic data were obtained in healthy subjects and in patients presenting with UA or NSTEMI and/or undergoing percutaneous coronary intervention. Studies in healthy subjects enrolled only males; patient studies enrolled approximately one-third women. In these studies, eptifibatide inhibited ex vivo platelet aggregation induced by adenosine diphosphate (ADP) and other agonists in a dose- and concentration-dependent manner. The effect of eptifibatide was observed immediately after administration of a 180-mcg/kg intravenous bolus. Table 4 shows the effects of dosing regimens of eptifibatide used in the IMPACT II and PURSUIT studies on ex vivo platelet aggregation induced by 20 µM ADP in PPACK-anticoagulated platelet-rich plasma and on bleeding time. The effects of the dosing regimen used in ESPRIT on platelet aggregation have not been studied.

<div class="scrollingtable"><table width="80%"> <caption> <span>Table 4: Platelet Inhibition and Bleeding Time</span> </caption> <colgroup> <col align="left" valign="top" width="75%"/> <col align="left" valign="top" width="25%"/> </colgroup> <thead> <tr class="First First Last Last"> <th align="left"></th><th align="left">PURSUIT<br/>180/2<a class="Sup" href="#footnote-3" name="footnote-reference-3">*</a></th> </tr> </thead> <tfoot> <tr> <td align="left" colspan="2"> <dl class="Footnote"> <dt> <a href="#footnote-reference-3" name="footnote-3">*</a> </dt> <dd>180-mcg/kg bolus followed by a continuous infusion of 2 mcg/kg/min.</dd> </dl> </td> </tr> </tfoot> <tbody> <tr class="First"> <td align="left">Inhibition of platelet aggregation 15 min after bolus</td><td align="left">84%</td> </tr> <tr> <td align="left">Inhibition of platelet aggregation at steady state</td><td align="left">&gt;90%</td> </tr> <tr> <td align="left">Bleeding-time prolongation at steady state</td><td align="left">&lt;5x</td> </tr> <tr> <td align="left">Inhibition of platelet aggregation 4h after infusion discontinuation</td><td align="left">&lt;50%</td> </tr> <tr class="Last"> <td align="left">Bleeding-time prolongation 6h after infusion discontinuation</td><td align="left">1.4x</td> </tr> </tbody> </table></div>

The eptifibatide dosing regimen used in the ESPRIT study included two 180-mcg/kg bolus doses given 10 minutes apart combined with a continuous 2-mcg/kg/min infusion.

When administered alone, eptifibatide has no measurable effect on PT or aPTT.

There were no important differences between men and women or between age groups in the pharmacodynamic properties of eptifibatide. Differences among ethnic groups have not been assessed.

The pharmacokinetics of eptifibatide are linear and dose-proportional for bolus doses ranging from 90 to 250 mcg/kg and infusion rates from 0.5 to 3 mcg/kg/min. Plasma elimination half-life is approximately 2.5 hours. Administration of a single 180-mcg/kg bolus combined with an infusion produces an early peak level, followed by a small decline prior to attaining steady state (within 4-6 hours). This decline can be prevented by administering a second 180-mcg/kg bolus 10 minutes after the first. The extent of eptifibatide binding to human plasma protein is about 25%. Clearance in patients with coronary artery disease is about 55 mL/kg/h. In healthy subjects, renal clearance accounts for approximately 50% of total body clearance, with the majority of the drug excreted in the urine as eptifibatide, deaminated eptifibatide, and other, more polar metabolites. No major metabolites have been detected in human plasma.

Special Populations

Geriatric

Patients in clinical studies were older (range: 20-94 years) than those in the clinical pharmacology studies. Elderly patients with coronary artery disease demonstrated higher plasma levels and lower total body clearance of eptifibatide when given the same dose as younger patients. Limited data are available on lighter weight (<50 kg) patients over 75 years of age.

Renal Impairment

In patients with moderate to severe renal insufficiency (CrCl <50 mL/min using the Cockcroft-Gault equation), the clearance of eptifibatide is reduced by approximately 50% and steady-state plasma levels approximately doubled [see Use in Specific Populations (8.6) and Dosage and Administration (2)].

Hepatic Impairment

No studies have been conducted in patients with hepatic impairment.

Gender

Males and females have not demonstrated any clinically significant differences in the pharmacokinetics of eptifibatide.

No long-term studies in animals have been performed to evaluate the carcinogenic potential of eptifibatide. Eptifibatide was not genotoxic in the Ames test, the mouse lymphoma cell (L 5178Y, TK+/-) forward mutation test, the human lymphocyte chromosome aberration test, or the mouse micronucleus test. Administered by continuous intravenous infusion at total daily doses up to 72 mg/kg/day (about 4 times the recommended maximum daily human dose on a body surface area basis), eptifibatide had no effect on fertility and reproductive performance of male and female rats.

Non-ST-segment elevation acute coronary syndrome is defined as prolonged (≥10 minutes) symptoms of cardiac ischemia within the previous 24 hours associated with either ST-segment changes (elevations between 0.6 mm and 1 mm or depression >0.5 mm), T-wave inversion (>1 mm), or positive CK-MB. This definition includes "unstable angina" and "NSTEMI" but excludes MI that is associated with Q waves or greater degrees of ST-segment elevation.

PURSUIT (Platelet Glycoprotein IIb/IIIa in Unstable Angina: Receptor Suppression Using Eptifibatide Therapy)

PURSUIT was a 726-center, 27-country, double-blind, randomized, placebo-controlled study in 10,948 patients presenting with UA or NSTEMI. Patients could be enrolled only if they had experienced cardiac ischemia at rest (≥10 minutes) within the previous 24 hours and had either ST-segment changes (elevations between 0.6 mm and 1 mm or depression >0.5 mm), T-wave inversion (>1 mm), or increased CK-MB. Important exclusion criteria included a history of bleeding diathesis, evidence of abnormal bleeding within the previous 30 days, uncontrolled hypertension, major surgery within the previous 6 weeks, stroke within the previous 30 days, any history of hemorrhagic stroke, serum creatinine >2 mg/dL, dependency on renal dialysis, or platelet count <100,000/mm3.

Patients were randomized to placebo, to eptifibatide 180-mcg/kg bolus followed by a 2-mcg/kg/min infusion (180/2), or to eptifibatide 180-mcg/kg bolus followed by a 1.3-mcg/kg/min infusion (180/1.3). The infusion was continued for 72 hours, until hospital discharge, or until the time of CABG, whichever occurred first, except that if PCI was performed, the eptifibatide infusion was continued for 24 hours after the procedure, allowing for a duration of infusion up to 96 hours.

The lower-infusion-rate arm was stopped after the first interim analysis when the 2 active-treatment arms appeared to have the same incidence of bleeding.

Patient age ranged from 20 to 94 (mean 63) years, and 65% were male. The patients were 89% Caucasian, 6% Hispanic, and 5% Black, recruited in the United States and Canada (40%), Western Europe (39%), Eastern Europe (16%), and Latin America (5%).

This was a "real world" study; each patient was managed according to the usual standards of the investigational site; frequencies of angiography, PCI, and CABG therefore differed widely from site to site and from country to country. Of the patients in PURSUIT, 13% were managed with PCI during drug infusion, of whom 50% received intracoronary stents; 87% were managed medically (without PCI during drug infusion).

The majority of patients received aspirin (75-325 mg once daily). Heparin was administered intravenously or subcutaneously, at the physician's discretion, most commonly as an intravenous bolus of 5000 units followed by a continuous infusion of 1000 units/h. For patients weighing less than 70 kg, the recommended heparin bolus dose was 60 units/kg followed by a continuous infusion of 12 units/kg/h. A target aPTT of 50 to 70 seconds was recommended. A total of 1250 patients underwent PCI within 72 hours after randomization, in which case they received intravenous heparin to maintain an ACT of 300 to 350 seconds.

The primary endpoint of the study was the occurrence of death from any cause or new MI (evaluated by a blinded Clinical Endpoints Committee) within 30 days of randomization.

Compared to placebo, eptifibatide administered as a 180-mcg/kg bolus followed by a 2-mcg/kg/min infusion significantly (p=0.042) reduced the incidence of endpoint events (see Table 6). The reduction in the incidence of endpoint events in patients receiving eptifibatide was evident early during treatment, and this reduction was maintained through at least 30 days (see Figure 1). Table 5 also shows the incidence of the components of the primary endpoint, death (whether or not preceded by an MI) and new MI in surviving patients at 30 days.

<div class="scrollingtable"><table width="80%"> <caption> <span>Table 5: Clinical Events in the PURSUIT Study</span> </caption> <colgroup> <col align="left" valign="top" width="30%"/> <col align="center" valign="top" width="20%"/> <col align="center" valign="top" width="30%"/> <col align="center" valign="top" width="20%"/> </colgroup> <thead> <tr class="First"> <th align="left"></th><th align="center">Placebo</th><th align="center">Eptifibatide</th><th align="center">p-value</th> </tr> <tr class="Last"> <th align="left"> <br/>Death or MI</th><th align="center"> <br/>(n=4739)<br/>n (%)</th><th align="center">(180 mcg/kg bolus then 2 mcg/kg/min infusion)<br/>(n=4722)<br/>n (%)</th><th align="center"></th> </tr> </thead> <tbody> <tr class="First"> <td align="left">3 days</td><td align="center">359 (7.6%)</td><td align="center">279 (5.9%)</td><td align="center">0.001</td> </tr> <tr> <td align="left">7 days</td><td align="center">552 (11.6%)</td><td align="center">477 (10.1%)</td><td align="center">0.016</td> </tr> <tr> <td align="left">30 days</td><td align="center"></td><td align="center"></td><td align="center"></td> </tr> <tr> <td align="left">  Death or MI (primary endpoint)</td><td align="center">745 (15.7%)</td><td align="center">672 (14.2%)</td><td align="center">0.042</td> </tr> <tr> <td align="left">  Death</td><td align="center">177 (3.7%)</td><td align="center">165 (3.5%)</td><td align="center"></td> </tr> <tr class="Last"> <td align="left">  Nonfatal MI</td><td align="center">568 (12%)</td><td align="center">507 (10.7%)</td><td align="center"></td> </tr> </tbody> </table></div>

<div class="scrollingtable"><table width="75%"> <colgroup> <col align="left" valign="top" width="100%"/> </colgroup> <tbody class="Headless"> <tr class="First"> <td align="left"><span class="Bold">Figure 1: Kaplan-Meier Plot of Time to Death or Myocardial Infarction Within 30 Days of Randomization in the PURSUIT Study</span></td> </tr> <tr class="Last"> <td align="left"> <p class="First"> <img alt="image description" src="/dailymed/image.cfm?name=Ept-02.jpg&amp;setid=c488f1af-a82c-4360-8886-79520635561a"/></p> </td> </tr> </tbody> </table></div>

Treatment with eptifibatide prior to determination of patient management strategy reduced clinical events regardless of whether patients ultimately underwent diagnostic catheterization, revascularization (i.e., PCI or CABG surgery) or continued to receive medical management alone. Table 6 shows the incidence of death or MI within 72 hours.

<div class="scrollingtable"><table width="80%"> <caption> <span>Table 6: Clinical Events (Death or MI) in the PURSUIT Study Within 72 Hours of Randomization</span> </caption> <colgroup> <col align="left" valign="top" width="40%"/> <col align="center" valign="top" width="30%"/> <col align="center" valign="top" width="30%"/> </colgroup> <thead> <tr class="First First Last Last"> <th align="left"></th><th align="center">Placebo</th><th align="center">Eptifibatide<br/>(180 mcg/kg bolus then 2 mcg/kg/min infusion)</th> </tr> </thead> <tbody> <tr class="First"> <td align="left">Overall patient population</td><td align="center">n=4739</td><td align="center">n=4722</td> </tr> <tr> <td align="left">    – At 72 hours</td><td align="center">7.6%</td><td align="center">5.9%</td> </tr> <tr> <td align="left">Patients undergoing early PCI</td><td align="center">n=631</td><td align="center">n=619</td> </tr> <tr> <td align="left">    – Pre-procedure (nonfatal MI only)</td><td align="center">5.5%</td><td align="center">1.8%</td> </tr> <tr> <td align="left">    – At 72 hours</td><td align="center">14.4%</td><td align="center">9%</td> </tr> <tr> <td align="left">Patients not undergoing early PCI</td><td align="center">n=4108</td><td align="center">n=4103</td> </tr> <tr class="Last"> <td align="left">    – At 72 hours</td><td align="center">6.5%</td><td align="center">5.4%</td> </tr> </tbody> </table></div>

All of the effect of eptifibatide was established within 72 hours (during the period of drug infusion), regardless of management strategy. Moreover, for patients undergoing early PCI, a reduction in events was evident prior to the procedure.

An analysis of the results by sex suggests that women who would not routinely be expected to undergo PCI receive less benefit from eptifibatide (95% confidence limits for relative risk of 0.94 - 1.28) than do men (0.72 - 0.9). This difference may be a true treatment difference, the effect of other differences in these subgroups, or a statistical anomaly. No differential outcomes were seen between male and female patients undergoing PCI (see results for ESPRIT).

Follow-up data were available through 165 days for 10,611 patients enrolled in the PURSUIT trial (96.9% of the initial enrollment). This follow-up included 4566 patients who received eptifibatide at the 180/2 dose. As reported by the investigators, the occurrence of death from any cause or new MI for patients followed for at least 165 days was reduced from 13.6% with placebo to 12.1% with eptifibatide 180/2.

IMPACT II (Eptifibatide to Minimize Platelet Aggregation and Prevent Coronary Thrombosis II)

IMPACT II was a multicenter, double-blind, randomized, placebo-controlled study conducted in the United States in 4010 patients undergoing PCI. Major exclusion criteria included a history of bleeding diathesis, major surgery within 6 weeks of treatment, gastrointestinal bleeding within 30 days, any stroke or structural CNS abnormality, uncontrolled hypertension, PT >1.2 times control, hematocrit <30%, platelet count <100,000/mm3, and pregnancy.

Patient age ranged from 24 to 89 (mean 60) years, and 75% were male. The patients were 92% Caucasian, 5% Black, and 3% Hispanic. Forty-one percent of the patients underwent PCI for ongoing ACS. Patients were randomly assigned to 1 of 3 treatment regimens, each incorporating a bolus dose initiated immediately prior to PCI followed by a continuous infusion lasting 20 to 24 hours:

1)135-mcg/kg bolus followed by a continuous infusion of 0.5 mcg/kg/min of eptifibatide (135/0.5);

2)135-mcg/kg bolus followed by a continuous infusion of 0.75 mcg/kg/min of eptifibatide (135/0.75); or

3)a matching placebo bolus followed by a matching placebo continuous infusion.

Each patient received aspirin and an intravenous heparin bolus of 100 units/kg, with additional bolus infusions of up to 2000 additional units of heparin every 15 minutes to maintain an ACT of 300 to 350 seconds.

The primary endpoint was the composite of death, MI, or urgent revascularization, analyzed at 30 days after randomization in all patients who received at least 1 dose of study drug.

As shown in Table 7, each eptifibatide regimen reduced the rate of death, MI, or urgent intervention, although at 30 days, this finding was statistically significant only in the lower-dose eptifibatide group. As in the PURSUIT study, the effects of eptifibatide were seen early and persisted throughout the 30-day period.

<div class="scrollingtable"><table width="80%"> <caption> <span>Table 7: Clinical Events in the IMPACT II Study</span> </caption> <colgroup> <col align="left" valign="top" width="40%"/> <col align="center" valign="top" width="20%"/> <col align="center" valign="top" width="20%"/> <col align="center" valign="top" width="20%"/> </colgroup> <thead> <tr class="First First Last Last"> <th align="left"></th><th align="center">Placebo<br/> <br/>n (%)</th><th align="center">Eptifibatide (135 mcg/kg bolus then 0.5 mcg/kg/min infusion)<br/>n (%)</th><th align="center">Eptifibatide (135 mcg/kg bolus then 0.75 mcg/kg/min infusion)<br/>n (%)</th> </tr> </thead> <tfoot> <tr> <td align="left" colspan="4"> <dl class="Footnote"> <dt> <a href="#footnote-reference-4" name="footnote-4">*</a> </dt> <dd>Kaplan-Meier estimate of event rate.</dd> </dl> </td> </tr> </tfoot> <tbody> <tr class="First"> <td align="left">Patients</td><td align="center">1285</td><td align="center">1300</td><td align="center">1286</td> </tr> <tr> <td align="left">Abrupt Closure</td><td align="center">65 (5.1%)</td><td align="center">36 (2.8%)</td><td align="center">43 (3.3%)</td> </tr> <tr> <td align="left">  p-value versus placebo</td><td align="center"></td><td align="center">0.003</td><td align="center">0.03</td> </tr> <tr> <td align="left">Death, MI, or Urgent Intervention</td><td align="center"></td><td align="center"></td><td align="center"></td> </tr> <tr> <td align="left">  24 hours</td><td align="center">123 (9.6%)</td><td align="center">86 (6.6%)</td><td align="center">89 (6.9%)</td> </tr> <tr> <td align="left">    p-value versus placebo</td><td align="center"></td><td align="center">0.006</td><td align="center">0.014</td> </tr> <tr> <td align="left">  48 hours</td><td align="center">131 (10.2%)</td><td align="center">99 (7.6%)</td><td align="center">102 (7.9%)</td> </tr> <tr> <td align="left">    p-value versus placebo</td><td align="center"></td><td align="center">0.021</td><td align="center">0.045</td> </tr> <tr> <td align="left">  30 days (primary endpoint)</td><td align="center">149 (11.6%)</td><td align="center">118 (9.1%)</td><td align="center">128 (10%)</td> </tr> <tr> <td align="left">    p-value versus placebo</td><td align="center"></td><td align="center">0.035</td><td align="center">0.179</td> </tr> <tr> <td align="left">Death or MI</td><td align="center"></td><td align="center"></td><td align="center"></td> </tr> <tr> <td align="left">  30 days</td><td align="center">110 (8.6%)</td><td align="center">89 (6.8%)</td><td align="center">95 (7.4%)</td> </tr> <tr> <td align="left">    p-value versus placebo</td><td align="center"></td><td align="center">0.102</td><td align="center">0.272</td> </tr> <tr> <td align="left">  6 months</td><td align="center">151 (11.9%)<a class="Sup" href="#footnote-4" name="footnote-reference-4">*</a></td><td align="center">136 (10.6%)<a class="Sup" href="#footnote-4">*</a></td><td align="center">130 (10.3%)<a class="Sup" href="#footnote-4">*</a></td> </tr> <tr class="Last"> <td align="left">    p-value versus placebo</td><td align="center"></td><td align="center">0.297</td><td align="center">0.182</td> </tr> </tbody> </table></div>

ESPRIT (Enhanced Suppression of the Platelet IIb/IIIa Receptor with Eptifibatide Therapy)

The ESPRIT study was a multicenter, double-blind, randomized, placebo-controlled study conducted in the United States and Canada that enrolled 2064 patients undergoing elective or urgent PCI with intended intracoronary stent placement. Exclusion criteria included MI within the previous 24 hours, ongoing chest pain, administration of any oral antiplatelet or oral anticoagulant other than aspirin within 30 days of PCI (although loading doses of thienopyridine on the day of PCI were encouraged), planned PCI of a saphenous vein graft or subsequent "staged" PCI, prior stent placement in the target lesion, PCI within the previous 90 days, a history of bleeding diathesis, major surgery within 6 weeks of treatment, gastrointestinal bleeding within 30 days, any stroke or structural CNS abnormality, uncontrolled hypertension, PT >1.2 times control, hematocrit <30%, platelet count <100,000/mm3, and pregnancy.

Patient age ranged from 24 to 93 (mean 62) years, and 73% of patients were male. The study enrolled 90% Caucasian, 5% African American, 2% Hispanic, and 1% Asian patients. Patients received a wide variety of stents. Patients were randomized either to placebo or Eptifibatide administered as an intravenous bolus of 180 mcg/kg followed immediately by a continuous infusion of 2 mcg/kg/min, and a second bolus of 180 mcg/kg administered 10 minutes later (180/2/180). Eptifibatide infusion was continued for 18 to 24 hours after PCI or until hospital discharge, whichever came first. Each patient received at least 1 dose of aspirin (162-325 mg) and 60 units/kg of heparin as a bolus (not to exceed 6000 units) if not already receiving a heparin infusion. Additional boluses of heparin (10 to 40 units/kg) could be administered in order to reach a target ACT between 200 and 300 seconds.

The primary endpoint of the ESPRIT study was the composite of death, MI, urgent target vessel revascularization (UTVR), and "bailout" to open-label eptifibatide due to a thrombotic complication of PCI (TBO) (e.g., visible thrombus, "no reflow," or abrupt closure) at 48 hours. MI, UTVR, and TBO were evaluated by a blinded Clinical Events Committee.

As shown in Table 8, the incidence of the primary endpoint and selected secondary endpoints was significantly reduced in patients who received eptifibatide. A treatment benefit in patients who received eptifibatide was seen by 48 hours and at the end of the 30-day observation period.

<div class="scrollingtable"><table width="80%"> <caption> <span>Table 8: Clinical Events in the ESPRIT Study</span> </caption> <colgroup> <col align="left" valign="top" width="40%"/> <col align="center" valign="top" width="14%"/> <col align="center" valign="top" width="14%"/> <col align="center" valign="top" width="20%"/> <col align="center" valign="top" width="12%"/> </colgroup> <thead> <tr class="First"> <th align="left"></th><th align="center">Placebo</th><th align="center">Eptifibatide<a class="Sup" href="#footnote-5" name="footnote-reference-5">*</a></th><th align="center">Relative Risk<br/>(95% CI)</th><th align="center"> <br/>p-value</th> </tr> <tr class="Last"> <th align="left"></th><th align="center">(n=1024)</th><th align="center">(n=1040)</th><th align="center"></th><th align="center"></th> </tr> </thead> <tfoot> <tr> <td align="left" colspan="5"> <dl class="Footnote"> <dt> <a href="#footnote-reference-5" name="footnote-5">*</a> </dt> <dd>Eptifibatide was administered as 180 mcg/kg boluses at times 0 and 10 minutes and an infusion at 2 mcg/kg/min.</dd> </dl> </td> </tr> </tfoot> <tbody> <tr class="First"> <td align="left">Death, MI, UTVR, or Thrombotic "Bailout"</td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"></td> </tr> <tr> <td align="left">48 hours (primary endpoint)</td><td align="center">108 (10.5%)</td><td align="center">69 (6.6%)</td><td align="center">0.629 (0.471, 0.84)</td><td align="center">0.0015</td> </tr> <tr> <td align="left">30 days</td><td align="center">120 (11.7%)</td><td align="center">78 (7.5%)</td><td align="center">0.64 (0.488, 0.84)</td><td align="center">0.0011</td> </tr> <tr> <td align="left">Death, MI, or UTVR</td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"></td> </tr> <tr> <td align="left">48 hours</td><td align="center">95 (9.3%)</td><td align="center">62 (6%)</td><td align="center">0.643 (0.472, 0.875)</td><td align="center">0.0045</td> </tr> <tr> <td align="left">30 days (key secondary endpoint)</td><td align="center">107 (10.4%)</td><td align="center">71 (6.8%)</td><td align="center">0.653 (0.49, 0.871)</td><td align="center">0.0034</td> </tr> <tr> <td align="left">Death or MI</td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"></td> </tr> <tr> <td align="left">48 hours</td><td align="center">94 (9.2%)</td><td align="center">57 (5.5%)</td><td align="center">0.597 (0.435, 0.82)</td><td align="center">0.0013</td> </tr> <tr class="Last"> <td align="left">30 days</td><td align="center">104 (10.2%)</td><td align="center">66 (6.3%)</td><td align="center">0.625 (0.465, 0.84)</td><td align="center">0.0016</td> </tr> </tbody> </table></div>

The need for thrombotic "bailout" was significantly reduced with eptifibatide at 48 hours (2.1% for placebo, 1% for eptifibatide; p=0.029). Consistent with previous studies of GP IIb/IIIa inhibitors, most of the benefit achieved acutely with eptifibatide was in the reduction of MI. Eptifibatide reduced the occurrence of MI at 48 hours from 9% for placebo to 5.4% (p=0.0015) and maintained that effect with significance at 30 days.

There was no treatment difference with respect to sex in ESPRIT. Eptifibatide reduced the incidence of the primary endpoint in both men (95% confidence limits for relative risk: 0.54, 1.07) and women (0.24, 0.72) at 48 hours.

Follow-up (12-month) mortality data were available for 2024 patients (1017 on eptifibatide) enrolled in the ESPRIT trial (98.1% of the initial enrollment). Twelve-month clinical event data were available for 1964 patients (988 on eptifibatide), representing 95.2% of the initial enrollment. As shown in Table 9, the treatment effect of eptifibatide seen at 48 hours and 30 days appeared preserved at 6 months and 1 year. Most of the benefit was in reduction of MI.

<div class="scrollingtable"><table width="80%"> <caption> <span>Table 9: Clinical Events at 6 Months and 1 Year in the ESPRIT Study</span> </caption> <colgroup> <col align="left" valign="top" width="40%"/> <col align="center" valign="top" width="20%"/> <col align="center" valign="top" width="20%"/> <col align="center" valign="top" width="20%"/> </colgroup> <thead> <tr class="First"> <th align="left"></th><th align="center">Placebo</th><th align="center">Eptifibatide</th><th align="center">Hazard Ratio</th> </tr> <tr class="Last"> <th align="left"></th><th align="center">(n=1024)</th><th align="center">(n=1040)</th><th align="center">(95% CI)</th> </tr> </thead> <tfoot> <tr class="First First Last Last"> <td align="left" colspan="4">Percentages are Kaplan-Meier event rates.</td> </tr> </tfoot> <tbody> <tr class="First"> <td align="left">Death, MI, or Target Vessel Revascularization</td><td align="center"></td><td align="center"></td><td align="center"></td> </tr> <tr> <td align="left">  6 months</td><td align="center">187 (18.5%)</td><td align="center">146 (14.3%)</td><td align="center">0.744 (0.599, 0.924)</td> </tr> <tr> <td align="left">  1 year</td><td align="center">222 (22.1%)</td><td align="center">178 (17.5%)</td><td align="center">0.762 (0.626, 0.929)</td> </tr> <tr> <td align="left">Death, MI</td><td align="center"></td><td align="center"></td><td align="center"></td> </tr> <tr> <td align="left">  6 months</td><td align="center">117 (11.5%)</td><td align="center">77 (7.4%)</td><td align="center">0.631 (0.473, 0.841)</td> </tr> <tr class="Last"> <td align="left">  1 year</td><td align="center">126 (12.4%)</td><td align="center">83 (8%)</td><td align="center">0.63 (0.478, 0.832)</td> </tr> </tbody> </table></div>

Eptifibatide injection is supplied as a sterile solution in 10-mL vials containing 20 mg of eptifibatide (NDC 52958-402-01) and 100-mL vials containing 75 mg of eptifibatide (NDC 52958-040-01).

Vials should be stored refrigerated at 2-8°C (36-46°F). Vials may be transferred to room temperature storage* for a period not to exceed 2 months. Upon transfer, vial cartons must be marked by the dispensing pharmacist with a "DISCARD BY" date (2 months from the transfer date or the labeled expiration date, whichever comes first).

Retain in carton to protect from light until administration.

* Store at 25oC (77oF); excursions permitted to 15-30oC (59-oF) [see USP Controlled Room Temperature].

Advise the patient to inform the doctor or healthcare provider about any medical conditions, medications, and allergies.

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Manufactured by:Hainan Shuangcheng Pharmaceuticals Co., Ltd. Haikou, 570314, China for

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Athenex. Schaumburg, IL 60173, USA

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NDC 52958-402-01 20 mg/10 mL vial

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for weight-adjusted bolus dosing

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Eptifibatide

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20 mg/10 mL

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(2 mg/mL)

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For Intravenous Use Only

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1×10 mL Single-dose Vial

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Rx only

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Shuangcheng

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NDC 52958-040-0175 mg/100 mL vial

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for weight-adjusted infusion

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75 mg/100 mL

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(0.75 mg/mL)

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For Intravenous Use Only

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1×100 mL Single-dose Vial

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Rx only

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Shuangcheng

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