FDA approves Retacrit for anemia caused by chronic kidney disease or chemotherapy.- Hospira/Pfizer.

The FDA has approved Retacrit (epoetin alfa-epbx) from Hospira/Pfizer, as a biosimilar to Epogen/Procrit (epoetin alfa) for the treatment of anemia caused by chronic kidney disease, chemotherapy, or use of zidovudine in patients with HIV infection. Retacrit is also approved for use before and after surgery to reduce the chance that red blood cell transfusions will be needed because of blood loss during surgery.

The FDA's approval of Retacrit is based on a review of evidence that included extensive structural and functional characterization, animal study data, human pharmacokinetic and pharmacodynamic data, clinical immunogenicity data and other clinical safety and effectiveness data that demonstrates Retacrit is biosimilar to Epogen/Procrit. Retacrit has been approved as a biosimilar, not as an interchangeable product.

The most common side effects of epoetin alfa-treated patients in clinical studies of the reference product were high blood pressure, joint pain, muscle spasm, fever, dizziness, medical device malfunction, blood vessel blockage, respiratory infection, cough, rash, injection site irritation, nausea, vomiting, muscle pain, inflammation of the mouth and lips, weight decrease, reduction in white blood cells, bone pain, high blood sugar, insomnia, headache, depression, difficulty swallowing, low blood potassium, blood clots, itching, headache, injection site pain and chills.