Recent Updates
Recently added Catalysts

NBI-1065845

Phase 3

Major Depressive Disorder | Small molecule | Psychiatry |Neurocrine Biosciences, Inc.|Last Updated: Apr 23, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials6
Total Enrollment2,183
FDA Designations
No designations recorded
Clinical Trials (6)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07196501A Study to Evaluate the Maintenance Effect of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)PHASE3 RECRUITING 550Aug 18, 2025Jul 1, 2028Mar 19, 202645 United States, Australia +9
NCT06963021NBI-1065845-MDD3026: Study to Assess the Efficacy and Safety of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)PHASE3 RECRUITING 200May 30, 2025Jul 1, 2027Apr 15, 202630 United States, Belgium +5
NCT06966401Long-Term Study to Assess the Safety and Tolerability of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)PHASE3 RECRUITING 850Apr 16, 2025May 1, 2030Apr 23, 202687 United States, Belgium +14
NCT06911112NBI-1065845-MDD3025: Study to Assess the Efficacy and Safety of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)PHASE3 RECRUITING 200Mar 31, 2025Jul 1, 2027Dec 1, 202510 United States
NCT06786624Study to Assess the Efficacy and Safety of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)PHASE3 RECRUITING 200Jan 22, 2025Jul 1, 2027Oct 29, 202518 United States
NCT05203341Study to Assess the Efficacy and Safety of NBI-1065845 in Adults With Major Depressive Disorder (MDD)PHASE2 COMPLETED 183Feb 21, 2022Feb 21, 2024Jan 15, 202541 United States, Bulgaria +4
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Time from Randomization to Relapse
From randomization to the earliest of relapse or end-of study (up to approximately 32 months)
Change from Baseline in Total Montgomery-Åsberg Depression Rating Scale (MADRS) Score at Day 56
Baseline, Day 56
Number of Participants with Treatment-emergent Adverse Events (TEAEs)
Baseline through Week 52
Change from Baseline in Total Montgomery Åsberg Depression Rating Scale (MADRS) Score at Day 28
Baseline, Day 28
Secondary Endpoints
Change from Baseline in Sheehan Disability Scale (SDS) Total Score at Day 56
Baseline, Day 56
Change from Baseline in Clinical Global Impression-Severity Scale (CGI-S) Score at Day 56
Baseline, Day 56
Change from Baseline in Total MADRS Score at Day 7, Day 14, and Day 56
Baseline, Days 7, 14, and 56
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Open-label Treatment Period: NBI-1065845EXPERIMENTALParticipants will be treated with NBI-1065845 during the open-label treatment period.
Randomized Double-blind Maintenance Period: NBI-1065845EXPERIMENTALParticipants will be randomized to receive NBI-1065845 during the randomized double-blind maintenance period.
Randomized Double-blind Maintenance Period: PlaceboEXPERIMENTALParticipants will be randomized to receive matching placebo during the randomized double-blind maintenance period.
NBI-1065845EXPERIMENTALNBI-1065845 administered orally once a day.
PlaceboPLACEBO_COMPARATORPlacebo identical in appearance to NBI-1065845 will be administered orally once a day.
NBI-1065845 Low DoseEXPERIMENTALParticipants will receive low-dose NBI-1065845 orally once a day.
NBI-1065845 High DoseEXPERIMENTALParticipants will receive high-dose NBI-1065845 orally once a day.
Interventions
NameTypeDescription
NBI-1065845DRUGOral tablet
PlaceboDRUGOral tablet
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites45

Key Inclusion Criteria: * Participant has a primary diagnosis of recurrent MDD (moderate or severe) or persistent depressive disorder. * Participant has had an inadequate response to oral antidepressant treatments in the current episode of depression. * Participant must have been taking oral antide...

Countries:United StatesAustraliaBulgariaCanadaEstoniaItalyPolandSerbiaSouth KoreaSpainTaiwanBelgiumFinlandHungaryLatviaUnited KingdomCroatiaCzechiaLithuaniaNetherlandsRomaniaSlovakiaSweden
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06786624primaryCompletionDate: changed
LOWMay 26, 2026NCT06963021primaryCompletionDate: changed
LOWMay 26, 2026NCT07196501primaryCompletionDate: changed
LOWMay 26, 2026NCT06911112primaryCompletionDate: changed
LOWMay 26, 2026NCT06966401Enrollment: 600 → 850
LOWMay 24, 2026NCT06786624studyFirstPostDate: changed
LOWMay 24, 2026NCT06911112studyFirstPostDate: changed
LOWMay 24, 2026NCT06966401studyFirstPostDate: changed
LOWMay 24, 2026NCT06963021studyFirstPostDate: changed
LOWMay 24, 2026NCT07196501studyFirstPostDate: changed