Status:

RECRUITING

NBI-1065845-MDD3026: Study to Assess the Efficacy and Safety of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)

Lead Sponsor:

Neurocrine Biosciences

Conditions:

Major Depressive Disorder

Eligibility:

All Genders

18+ years

Phase:

PHASE3

Brief Summary

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.

Eligibility Criteria

Inclusion

  • Key
  • 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 antidepressants for at least 8 weeks and is willing to continue the same oral antidepressants at the same dose and frequency of administration throughout participation in the study.
  • Total Hamilton Depression Rating Scale-17 Item (HAM-D17) score ≥22 at screening and at study baseline (Day 1).
  • Willing and able to comply with all study procedures and restrictions in the opinion of the investigator.
  • Key

Exclusion

  • A current or prior psychiatric disorder diagnosis in the last 1 year that was the primary focus of treatment other than MDD.
  • Are considered by the investigator to be at imminent risk of suicide or injury to self or others.
  • Participants depressive symptoms have previously demonstrated nonresponse to electroconvulsive therapy (ECT) in the current major depressive episode.

Key Trial Info

Start Date :

May 30 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

July 1 2027

Estimated Enrollment :

200 Patients enrolled

Trial Details

Trial ID

NCT06963021

Start Date

May 30 2025

End Date

July 1 2027

Last Update

December 22 2025

Active Locations (16)

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Page 1 of 4 (16 locations)

1

Neurocrine Clinical Site

Los Angeles, California, United States, 90025

2

Neurocrine Clinical Site

Aurora, Colorado, United States, 80045

3

Neurocrine Clinical Site

Cromwell, Connecticut, United States, 06416

4

Neurocrine Clinical Site

Farmington, Connecticut, United States, 06030