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Generic name: eptifibatide
Drug class: Glycoprotein platelet inhibitors

Medically reviewed by  A Ras MD. Last updated on May 28, 2022.

What is Integrilin?

Integrilin is used during heart treatment to protect the arteries during the treatment of heart attack

It is used to lower the number of heart attacks in patients who have unstable angina or mild heart attacks.

Integrilin may be given to you for other reasons. Talk to your doctor.


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:

Structural Formula

Eptifibatide injection is a clear, colorless, sterile, non-pyrogenic solution for intravenous (IV) use with a molecular 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 ci

Before taking Integrilin, tell your doctor:

  • If you are allergic to Integrilin; any part of this medicine; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
  • If you have bleeding problems.
  • If you have had any of these health problems: Bleeding in the brain, active bleeding or stroke within the past 30 days, or surgery within the past 6 weeks.
  • If you have high blood pressure.
  • If you have kidney disease or are on dialysis.
  • If you are taking or will be taking another drug like this one.

This is not a list of all drugs or health problems that interact with this medicine.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Integrilin with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Integrilin?

  • Tell all of your health care providers that you take Integrilin. This includes your doctors, nurses, pharmacists, and dentists.
  • Have blood work checked as you have been told by the doctor. Talk with the doctor.
  • You may bleed more easily. Be careful and avoid injury. Use a soft toothbrush and an electric razor.
  • Severe and sometimes deadly bleeding problems have happened with Integrilin.
  • If you fall or hurt yourself, or if you hit your head, call your doctor right away. Talk with your doctor even if you feel fine.
  • If you are 65 or older, use Integrilin with care. You could have more side effects.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Integrilin while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is Integrilin taken?

Use Integrilin as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • It is given as an infusion into a vein over a period of time.

What do I do if I miss a dose?

  • Call your doctor to find out what to do.

What are the side effects of Integrilin that I need to call my doctor about immediately?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of bleeding like throwing up or coughing up blood; vomit that looks like coffee grounds; blood in the urine; black, red, or tarry stools; bleeding from the gums; abnormal vaginal bleeding; bruises without a cause or that get bigger; or bleeding you cannot stop.
  • Very bad dizziness or passing out.

What are some other side effects of Integrilin?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if you have any side effects that bother you or do not go away.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

If overdose is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.


How Supplied/stored

Eptifibatide injection is supplied as a sterile solution in 10-mL single-dose vials containing 20 mg of eptifibatide (NDC 70121-1002-1) and 100-mL single-dose vials containing 75 mg of eptifibatide (NDC 70121-1003-1). Discard unused portion.


Vials should be stored refrigerated at 2° to 8°C (36° to 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).

Protect from light until administration.

* Store at 20° to 25°C (68° to 77°F); excursions permitted between 15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature].




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