Reata Faces FDA Efficacy Scrutiny on Omaveloxolone

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Reata Pharmaceuticals says its May-submitted NDA for omaveloxolone, indicated for treating patients with Friedreich’s ataxia, is facing FDA scrutiny about the submission’s “strength” of efficacy evidence. The agency’s concern was expressed in a mid-cycle communication meeting, which the company says did not raise any clinical safety issues.

“During the mid-cycle meeting, we proposed to address FDA’s concerns in three ways,” Reata explains. “First, we presented updated results from the Delayed-Start Analysis using a March 2022 data cut-off, which contain new, later time points and increased numbers of patients at later time points than the prior analysis. Second, we proposed to submit a new propensity-matched matched analysis of MOXIe Extension data using the largest, most robust Friedreich’s ataxia natural history study to provide additional clinical data that could be considered confirmatory evidence. Third, we discussed an additional NDA amendment containing compelling mechanistic evidence in the setting of Friedreich’s ataxia’s well-understood disease pathophysiology, which could also serve as confirmatory evidence. The FDA acknowledged these data and agreed that we could submit the updated data to the NDA.”

Reata says that the user fee review action target date is 11/30 and FDA has not indicated whether any of the additional data could result in a review extension. Additionally, FDA told the company that it plans to hold an advisory committee meeting to discuss the NDA.

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