Regeneron Complete Response on Lymphoma BLA

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FDA has issued Regeneron Pharmaceuticals two complete response letters (CRLs) on its BLA for odronextamab in relapsed/refractory (R/R) follicular lymphoma (FL) and in R/R diffuse large B-cell lymphoma (DLBCL) after two or more lines of systemic therapy. “The only approvability issue is related to the enrollment status of the confirmatory trials,” the company says. “The CRLs – one for R/R FL and one for R/R DLBCL – did not identify any approvability issues with the odronextamab clinical efficacy or safety, trial design, labeling or manufacturing.”

Regeneron says it has been enrolling patients in multiple Phase 3 trials for odronextamab as part of the OLYMPIA program. “As the OLYMPIA program is intended to change the treatment paradigm of several B-cell non-Hodgkin lymphoma subtypes — including in earlier lines of therapy — in agreeing to the program, the FDA required that the trials include both dose-finding and confirmatory portions. Enrollment in the dose-finding portion has begun, but the CRLs indicate that the confirmatory portions of these trials should be underway and that the timelines to completion be agreed prior to resubmission.”

The company says it will work with FDA and clinical investigators to meet the enrollment criteria and resubmit the BLA later this year.

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