A Phase 3 interventional study of NBI-1065845 and Placebo in Major Depressive Disorder, sponsored by Neurocrine Biosciences. Recruiting at 39 sites in 5 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-08-11.
Sponsored by Neurocrine Biosciences · Phase 3, Interventional, and Treatment
The study will evaluate the efficacy of NBI-1065845 compared with placebo as an adjunctive treatment in participants with MDD on improving symptoms of depression.
3,041 studies on the registry are indexed under Depressive Disorder, Major; 588 are open to participants now.
This study's planned enrollment of 200 is above the median of 79 across 2,530 interventional studies indexed under Depressive Disorder, Major.
Browse Depressive Disorder, Major studies →Neurocrine Biosciences is the lead sponsor of 86 studies on the registry; 16 are open to participants now.
Of its 35 completed or terminated interventional studies of FDA-regulated products, 23 (66%) have results posted.
Counted across the registry records on this site, refreshed daily.
Key Inclusion Criteria:
Key Exclusion Criteria:
NBI-1065845 administered orally once a day.
Drug: NBI-1065845
Placebo identical in appearance to NBI-1065845 will be administered orally once a day.
Drug: Placebo
NBI-1065845 tablets
Also known as: TAK-653
Matching placebo tablets
Change from Baseline in Total Montgomery-Åsberg Depression Rating Scale (MADRS) Score at Day 56
Time frame: Baseline, Day 56
Change from Baseline in Sheehan Disability Scale (SDS) Total Score at Day 56
Time frame: Baseline, Day 56
Change from Baseline in Clinical Global Impression-Severity Scale (CGI-S) Score at Day 56
Time frame: Baseline, Day 56
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Plan to share: No
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Studies of the drug tested here: Osavampator