FDA approves Herzuma (trastuzumab-pkrb), biosimilar to Herceptin (trastuzumab)

The U.S. Food and Drug Administration approved Herzuma (trastuzumab-pkrb, Celltrion Inc.) as a biosimilar to Herceptin (trastuzumab, Genentech Inc.) for patients with HER2-overexpressing breast cancer.

Herzuma is a HER2/neu receptor antagonist indicated for the treatment of HER2-overexpressing breast cancer. 

Common expected side effects of Herzuma for the treatment of HER2+ breast cancer include headache, diarrhea, nausea, chills, fever, infection, congestive heart failure, insomnia, cough, and rash. Serious expected side effects of Herzuma include worsening of chemotherapy-induced neutropenia.

Like Herceptin, the labeling for Herzuma contains a Boxed Warning to alert health care professionals and patients about increased risks of cardiomyopathy, infusion reactions, pulmonary toxicity, and embryo-fetal toxicity. 

For more information, please visit: Herzuma (trastuzumab-pkrb)

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