RecruitingPhase 3NCT07196501

A Study to Evaluate the Maintenance Effect of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)

A Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Maintenance of Effect of NBI-1065845 as an Adjunctive Treatment in Subjects With Major Depressive Disorder (MDD)


Sponsor

Neurocrine Biosciences

Enrollment

550 participants

Start Date

Aug 18, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

The primary objective of this study is to evaluate the efficacy of NBI-1065845 compared with placebo as an adjunctive treatment in delaying relapse of depressive symptoms (maintenance of effect) in participants with MDD.


Eligibility

Min Age: 18 Years

Inclusion Criteria5

  • 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.

Exclusion Criteria3

  • 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.

Interventions

DRUGNBI-1065845

Oral tablet

DRUGPlacebo

Oral tablet


Locations(45)

Neurocrine Clinical Site

Oceanside, California, United States

Neurocrine Clinical Site

San Jose, California, United States

Neurocrine Clinical Site

New Haven, Connecticut, United States

Neurocrine Clinical Site

Miami Gardens, Florida, United States

Neurocrine Clinical Site

Orlando, Florida, United States

Neurocrine Clinical Site

Palm Bay, Florida, United States

Neurocrine Clinical Site

Tampa, Florida, United States

Neurocrine Clinical Site

Marrero, Louisiana, United States

Neurocrine Clinical Site

O'Fallon, Missouri, United States

Neurocrine Clinical Site

Albuquerque, New Mexico, United States

Neurocrine Clinical Site

Charlotte, North Carolina, United States

Neurocrine Clinical Site

Edmond, Oklahoma, United States

Neurocrine Clinical Site

Oklahoma City, Oklahoma, United States

Neurocrine Clinical Site

Bellaire, Texas, United States

Neurocrine Clinical Site

Friendswood, Texas, United States

Neurocrine Clinical Site

Stafford, Texas, United States

Neurocrine Clinical Site

Wichita Falls, Texas, United States

Neurocrine Clinical Site

Draper, Utah, United States

Neurocrine Clinical Site

Carlton, Victoria, Australia

Neurocrine Clinical Site

Sofia, Bulgaria

Neurocrine Clinical Site

Sofia, Bulgaria

Neurocrine Clinical Site

Sofia, Bulgaria

Neurocrine Clinical Site

Sofia, Bulgaria

Neurocrine Clinical Site

North Vancouver, British Columbia, Canada

Neurocrine Clinical Site

Sherbrooke, Quebec, Canada

Neurocrine Clinical Site

Toronto, Canada

Neurocrine Clinical Site

Tallinn, Estonia

Neurocrine Clinical Site

Tallinn, Estonia

Neurocrine Clinical Site

Tartu, Estonia

Neurocrine Clinical Site

Milan, Italy

Neurocrine Clinical Site

Rome, Italy

Neurocrine Clinical Site

Bialystok, Poland

Neurocrine Clinical Site

Bydgoszcz, Poland

Neurocrine Clinical Site

Gdansk, Poland

Neurocrine Clinical Site

Belgrade, Serbia

Neurocrine Clinical Site

Kovin, Serbia

Neurocrine Clinical Site

Ansan-si, Gyeonggi-do, South Korea

Neurocrine Clinical Site

Seoul, South Korea

Neurocrine Clinical Site

Seoul, South Korea

Neurocrine Clinical Site

Alcorcón, Madrid, Spain

Neurocrine Clinical Site

Barcelona, Spain

Neurocrine Clinical Site

Keelung, Taiwan

Neurocrine Clinical Site

Taipei, Taiwan

Neurocrine Clinical Site

Taipei, Taiwan

Neurocrine Clinical Site

Taipei, Taiwan

View Full Details on ClinicalTrials.gov

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NCT07196501


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