Neumora’s Phase 3 Depression Study Misses Endpoints

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Neumora Therapeutics says its Phase 3 KOASTAL-1 Study of navacaprant for treating major depressive disorder (MDD) has “disappointing” results. The study did not show a statistically significant improvement regarding the primary endpoint of change from baseline in the Montgomery-Åsberg Depression Rating Scale total score at Week 6 or a key secondary endpoint, a change from baseline in the Snaith-Hamilton Pleasure Scale, it says.

“We are disappointed by the results from KOASTAL-1 as they were not consistent with the body of evidence supporting this mechanism in MDD,” the company says. “There is a lot to investigate from this study, in particular the contrast in drug and placebo responses in depressed mood and anhedonia in female participants compared to male participants.”

Navacaprant is described as a highly selective, novel kappa opioid receptor antagonist being developed as a potential monotherapy treatment for MDD. It is designed to modulate the dopamine and reward processing pathways, which play an big role in regulating mood, cognition, reward and behavior, according to the company.

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