Actively Recruiting

Phase 3
Age: 18Years +
All Genders
NCT07196501

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

Led by Neurocrine Biosciences · Updated on 2026-03-19

550

Participants Needed

45

Research Sites

149 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

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.

CONDITIONS

Official Title

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

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Participant has a primary diagnosis of recurrent Major Depressive Disorder (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 willing to continue the same dose and frequency throughout the study
  • Total Hamilton Depression Rating Scale-17 Item (HAM-D17) score of 22 or higher at screening and study baseline (Day 1)
  • Willing and able to comply with all study procedures and restrictions as judged by the investigator
Not Eligible

You will not qualify if you...

  • Current or prior psychiatric disorder diagnosis in the last 1 year other than Major Depressive Disorder as the primary focus of treatment
  • Considered by the investigator to be at imminent risk of suicide or injury to self or others
  • History of nonresponse to electroconvulsive therapy (ECT) in the current major depressive episode
  • Other protocol-defined inclusion and exclusion criteria may apply

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 45 locations

1

Neurocrine Clinical Site

Oceanside, California, United States, 92056

Actively Recruiting

2

Neurocrine Clinical Site

San Jose, California, United States, 95124

Actively Recruiting

3

Neurocrine Clinical Site

New Haven, Connecticut, United States, 06520

Actively Recruiting

4

Neurocrine Clinical Site

Miami Gardens, Florida, United States, 33014

Actively Recruiting

5

Neurocrine Clinical Site

Orlando, Florida, United States, 32803

Actively Recruiting

6

Neurocrine Clinical Site

Palm Bay, Florida, United States, 32905

Actively Recruiting

7

Neurocrine Clinical Site

Tampa, Florida, United States, 33629

Actively Recruiting

8

Neurocrine Clinical Site

Marrero, Louisiana, United States, 70072

Actively Recruiting

9

Neurocrine Clinical Site

O'Fallon, Missouri, United States, 63368

Actively Recruiting

10

Neurocrine Clinical Site

Albuquerque, New Mexico, United States, 87109

Actively Recruiting

11

Neurocrine Clinical Site

Charlotte, North Carolina, United States, 28211

Actively Recruiting

12

Neurocrine Clinical Site

Edmond, Oklahoma, United States, 73013

Actively Recruiting

13

Neurocrine Clinical Site

Oklahoma City, Oklahoma, United States, 73112

Actively Recruiting

14

Neurocrine Clinical Site

Bellaire, Texas, United States, 77401

Actively Recruiting

15

Neurocrine Clinical Site

Friendswood, Texas, United States, 77546

Actively Recruiting

16

Neurocrine Clinical Site

Stafford, Texas, United States, 77477

Actively Recruiting

17

Neurocrine Clinical Site

Wichita Falls, Texas, United States, 76309

Actively Recruiting

18

Neurocrine Clinical Site

Draper, Utah, United States, 84020

Actively Recruiting

19

Neurocrine Clinical Site

Carlton, Victoria, Australia, 3053

Actively Recruiting

20

Neurocrine Clinical Site

Sofia, Bulgaria, 1303

Actively Recruiting

21

Neurocrine Clinical Site

Sofia, Bulgaria, 1408

Actively Recruiting

22

Neurocrine Clinical Site

Sofia, Bulgaria, 1510

Actively Recruiting

23

Neurocrine Clinical Site

Sofia, Bulgaria, 1680

Actively Recruiting

24

Neurocrine Clinical Site

North Vancouver, British Columbia, Canada, V7P 2T4

Actively Recruiting

25

Neurocrine Clinical Site

Sherbrooke, Quebec, Canada, J1L 0H8

Actively Recruiting

26

Neurocrine Clinical Site

Toronto, Canada, M5H 1A1

Actively Recruiting

27

Neurocrine Clinical Site

Tallinn, Estonia, 10138

Actively Recruiting

28

Neurocrine Clinical Site

Tallinn, Estonia, 11315

Actively Recruiting

29

Neurocrine Clinical Site

Tartu, Estonia, 50417

Actively Recruiting

30

Neurocrine Clinical Site

Milan, Italy, 20127

Actively Recruiting

31

Neurocrine Clinical Site

Rome, Italy, 168

Actively Recruiting

32

Neurocrine Clinical Site

Bialystok, Poland, 15-879

Actively Recruiting

33

Neurocrine Clinical Site

Bydgoszcz, Poland, 85-794

Actively Recruiting

34

Neurocrine Clinical Site

Gdansk, Poland, 80-283

Actively Recruiting

35

Neurocrine Clinical Site

Belgrade, Serbia, 11000

Actively Recruiting

36

Neurocrine Clinical Site

Kovin, Serbia, 26220

Actively Recruiting

37

Neurocrine Clinical Site

Ansan-si, Gyeonggi-do, South Korea, 15355

Actively Recruiting

38

Neurocrine Clinical Site

Seoul, South Korea, 02841

Actively Recruiting

39

Neurocrine Clinical Site

Seoul, South Korea, 06351

Actively Recruiting

40

Neurocrine Clinical Site

Alcorcón, Madrid, Spain, 28922

Actively Recruiting

41

Neurocrine Clinical Site

Barcelona, Spain, 08035

Actively Recruiting

42

Neurocrine Clinical Site

Keelung, Taiwan, 204

Actively Recruiting

43

Neurocrine Clinical Site

Taipei, Taiwan, 10449

Actively Recruiting

44

Neurocrine Clinical Site

Taipei, Taiwan, 110

Actively Recruiting

45

Neurocrine Clinical Site

Taipei, Taiwan, 11217

Actively Recruiting

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Research Team

N

Neurocrine Medical Information Call Center

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

3

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