Refusal-to-File letter on BMS/Bluebird BLA

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FDA has issued a refusal to file letter to Bristol Myers Squibb and Bluebird Bio for a BLA for idecabtagene vicleucel, indicated for treating patients with heavily pre-treated relapsed and refractory multiple myeloma, which was submitted in March. In the letter, FDA told the company that the BLA’s chemistry, manufacturing and control module requires further detail to complete the review, the companies say, adding that no additional clinical or non-clinical data have been requested. Bristol Myers says the BLA resubmission is expected by the end of July.

 

Idecabtagene vicleucel is a B-cell maturation antigen-directed chimeric antigen receptor T cell immunotherapy intended for treating adult patients with multiple myeloma who have received at least three prior therapies, including an immunomodulatory agent, a proteasome inhibitor and an anti-CD38 antibody, according to the companies. They say the submission is based on results from the pivotal Phase 2 KarMMa study. Data indicated that the study met its primary endpoint of overall response rate, and the key secondary endpoint of complete response rate in the patient population treated with the therapy, they say.

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