CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 588 enrolled
Drug / intervention
Seltorexant +1 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04533529
NCT04533529Phase 3Completed

A Multicenter, Double-Blind, Randomized, Parallel-Group, Placebo-Controlled, Study to Evaluate the Efficacy and Safety of Seltorexant 20 mg as Adjunctive Therapy to Antidepressants in Adult and Elderly Patients With Major Depressive Disorder With Insomnia Symptoms Who Have Responded Inadequately to Antidepressant Therapy and an Open-labeled Long-term Safety Extension Treatment With Seltorexant

Janssen Research & Development, LLC·interventional·Posted Aug 31, 2020·Updated May 12, 2026

In Brief

A Phase 3 clinical trial evaluating Seltorexant and Placebo for Depressive Disorder, Major. Completed, enrolled 588 participants across 122 sites in 11 countries.

Detailed Summary

The purpose of this study is to assess the efficacy of seltorexant compared with placebo as adjunctive therapy to an antidepressant in improving depressive symptoms in participants with major depressive disorder with insomnia symptoms (MDDIS) who have had an inadequate response to current antidepressant therapy with an selective serotonin reuptake inhibitor (SSRI) or serotonin-norepinephrine reuptake inhibitor (SNRI) in double-blind treatment phase and to assess the long-term safety and tolerability of seltorexant as adjunctive therapy to an antidepressant in participants with major depressive disorder (MDD) in open-label treatment phase.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesBrazil, Bulgaria, Colombia, Czechia, Mexico, Russia, South Africa, Spain, Sweden, Taiwan, United States
Collaborators--

Timeline

Phase 3CompletedFinished
202120222023202420252026
First PostedAug 31, 2020
Enrollment StartSep 16, 2020
Primary CompletionApr 25, 2023
Study CompletionApr 30, 2024
TodayJul 2, 2026
Enrollment to primary: 2.6 yearsPosted 5.8 years ago

Interventions

Seltorexantdrug

Seltorexant tablet will be administered orally once daily.

Placebodrug

Matching placebo tablet will be administered orally once daily.