Although Sage Therapeutics, Inc.’s Phase III WATERFALL trial of zuranolone in adults with major depressive disorder (MDD) was positive, the benefit seen and its adverse event profile have raised doubts about its clinical meaningfulness, even if the data are sufficient to warrant US Food and Drug Administration filing.
Biogen/Sage’s Zuranolone Data May Not Be Enough For Tough Commercial Landscape
Phase III Data Seen As Underwhelming
The drug may have enough efficacy for approval, but data fell short of the benchmark seen as necessary for commercial adoption.

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