Repros, FDA Meet to Hash Out Approval Concerns

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Repros Therapeutics met with FDA reviewers 2/4 to discuss a 12/2015 complete response letter on the company’s NDA for enclomiphene for treating secondary hypogonadism in overweight men wishing to restore normal testicular function. “The meeting agenda covered a broad range of topics surrounding the NDA data as well as emerging agency and expert thinking regarding the treatment of hypogonadism,” Repros says. “The company believes that it was clear during the meeting that the FDA is not closed to entertaining secondary hypogonadism as an indication.”

FDA’s letter stated that, based on recent scientific developments, the Phase 3 study design is no longer adequate to demonstrate clinical benefit and recommended that Repros conduct an additional Phase 3 study or studies to support approval in the target population, Repros said at the time. The agency, it said, also noted concerns about study entry criteria, titration and bioanalytical method validation in the Phase 3 program. Repros said it plans to work with the agency to determine an appropriate path forward to address the comments.

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