Regeneron Refiles BLA for Follicular Lymphoma

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FDA has accepted for review a Regeneron Pharmaceuticals BLA resubmission for odronextamab in relapsed/refractory (R/R) follicular lymphoma (FL) after two or more lines of systemic therapy. The agency has set a review action target date of 7/30.

“Acceptance of the BLA resubmission follows the achievement of an FDA-mandated enrollment target for the Phase 3 confirmatory trial in R/R FL (OLYMPIA-1),” the company says. “This was the sole approvability issue identified by the FDA in the complete response letter associated with the previous submission.”

The resubmission is based on data from the Phase 1 and pivotal Phase 2 trials (ELM-1 and ELM-2), which demonstrated an “overall response rate of 80% (n=103), with 74% (n=95) achieving a complete response,” Regeneron says. Serious adverse events occurred in 67% of patients, it says, including cytokine release syndrome, Covid-19 and pneumonia.

FL is one of the most common subtypes of B-cell non-Hodgkin lymphoma, according to the company, adding that it is an incurable disease and most patients will relapse after initial treatment.

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