Neurocrine Biosciences has been hit with a pair of mid-stage failures for its partnered candidates in major depressive disorder (MDD) and focal onset seizures (FOS), leading the biotech to wind down the MDD program altogether and home in on a much smaller market opportunity for the seizure candidate.
The placebo-controlled Phase II TERPSIS trial was evaluating Takeda-partnered drug NBI-1065846 in 93 MDD patients with anhedonia, which is the inability to feel pleasure. The treatment did not meet the primary endpoint of change in anhedonia severity, measured by the Dimensional Anhedonia Rating Scale score at 57 days. The company said it is discontinuing further development of the drug.
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