FDA Rejects Lilly BLA on Me-too PD-1 Inhibitor

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FDA has issued Eli Lilly and Innovent Biologics a complete response letter on its BLA for sintilimab injection, a me-too PD-1 inhibitor for use in combination with pemetrexed and platinum chemotherapy for the first-line treatment of people with nonsquamous non-small cell lung cancer (NSCLC). The letter calls for an additional clinical trial which is consistent with statements made last month by FDA Oncology Center of Excellence director Richard Pazdur who called into question oncology drug development programs that rely almost exclusively on clinical data from China (see earlier story).

 

Pazdur’s position was also validated by a 2/10 advisory committee meeting. Panel members said the submission should require an additional clinical trial demonstrating applicability to U.S. patients and U.S. medical care. They agreed with FDA concerns (see earlier story) outlined in briefing materials that clinical trial data (ORIENT-11) obtained from a single country (China) are not typically generalizable to the U.S. population, and that the trial design was less than optimal.

 

FDA’s letter specifically requested a multiregional clinical trial comparing standard of care therapy for first line metastatic NSCLC to sintilimab with chemotherapy utilizing a non-inferiority design with an overall survival endpoint, according to the company. “Along with Innovent, Lilly is assessing next steps for the sintilimab program in the U.S.,” it says.

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