FDA adcomm takes down Secura Bio's leukemia drug after final trial results show potential OS detriment
The FDA’s Oncologic Drugs Advisory Committee on Friday voted 8-4 against the benefit-risk profile of Secura Bio’s PI3K inhibitor Copiktra (duvelisib), which won approval in September 2018 as a third-line treatment for relapsed or refractory CLL or SLL, but updated pivotal trial results raised safety questions.
In addition to the serious and fatal toxicities of duvelisib, FDA speakers at the ODAC meeting pointed to an evolved treatment landscape for CLL and SLL, with targeted BTK or BCL2 inhibitors (front-line or second-line), and data pointing to a “potential detriment” in overall survival for duvelisib. But some ODAC members noted that the detriment was likely small and that there is some efficacy even as the data are difficult to interpret.
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