Agenus Inc. got an unwelcome surprise from the US Food and Drug Administration as the agency recommended against the company filing for accelerated approval for the combination of its CTLA-4-targeting monoclonal antibody botensilimab and the PD-1-targeting balstilimab (BOT/BAL) in relapsed/refractory microsatellite-stable colorectal cancer (MSS CRC) with no active liver metastases.
FDA Leaves Door Open For Further Discussions With Agenus Over BOT/BAL
The biotech company surprised observers when it announced the agency advised against filing for accelerated approval of the CTLA-4/PD-1 combination.

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