A Study of Seltorexant as Monotherapy in Adults and Elderly Participants With Major Depressive Disorder
Recruiting now Phase 3 NCT07573176
Run by Janssen Research & Development, LLC · for 18 to 74 · All sexes
What this study is about
The main purpose of this study is to assess how well the study drug (JNJ-42847922) works (efficacy) compared with placebo in improving depressive symptoms in participants with major depressive disorder (\[MDD\], a common mood disorder that causes a lasting feeling of sadness and a loss of interest in everyday activities) in double-blind treatment phase. Further, to evaluate long-term safety and tolerability of JNJ-42847922 in participants with MDD in the open label treatment phase.
Who can join (things the study team will check)
✅ You may be able to join if…
- Meet diagnostic and statistical manual of mental disorders-5th edition (DSM-5) diagnostic criteria for major depressive disorder (MDD), without psychotic features based upon clinical assessment
- Experienced at least one MDD episode prior to their current episode
- Current episode of MDD must be a minimum of 2 weeks in duration
- Must meet one of the following criteria regarding current medication status. OR
- Can be presenting for a new episode of MDD on no antidepressant treatment; however, must have been treated with an antidepressant medication in a prior episode for a minimum of 6 weeks at a stable dose at or above the minimum therapeutic level (medical record/source document).
- Have taken up to two antidepressant treatments started in the current episode that were stopped (withdrawn), or will be withdrawn (washed out) due to inadequate response or intolerance.
- Body Mass Index (BMI) between 18 and 40 kilograms per square meter (kg/m\^2)
- Must be medically stable on the basis of the following performed at screening and double-blind (DB) baseline: physical examination (including a brief neurological examination), vital signs (including blood pressure), and 12-lead electrocardiogram (ECG)
🚫 You may not be able to join if…
- Use of ketamine/esketamine in the current depressive episode (up to 2 doses are allowed prior to screening)
- Has treatment-resistant depression (TRD)
- Has a primary DSM-5 diagnosis of panic disorder, generalized anxiety disorder, social anxiety disorder, or specific phobia which has been the primary focus of psychiatric treatment within the past 2 years
- Current active DSM-5 diagnosis of obsessive-compulsive disorder, posttraumatic stress disorder, anorexia nervosa, bulimia nervosa, or fibromyalgia
- Has a history or current diagnosis of a psychotic disorder, bipolar disorder, autism spectrum disorder, borderline personality disorder, or somatoform disorders
- Has dementia, any dementing disease, intellectual disability, or neurocognitive disorder
- Has a current or recent history of homicidal ideation or serious suicidal ideation within the past 3 months or a history of suicidal behavior within the past 6 months
- Has a history of moderate-to-severe substance use disorder including alcohol use disorder according to DSM-5 criteria within 6 months
- Has any significant sleep disorder, including but not limited to untreated/uncontrolled conditions
- Has known allergies, hypersensitivity, intolerance, or any contraindication to seltorexant or its excipients
Where this trial is running
- SanRo Clinical Research Group LLC WCG Clinical Network, Bryant, Arkansas, United States
- CI Trials, Bellflower, California, United States
- Behavioral Research Specialists LLC, Glendale, California, United States
- Excell Research Inc, Oceanside, California, United States
- NRC Research Institute, Orange, California, United States
- Cenexel, Riverside, California, United States
- Sunwise Clinical Research, Walnut Creek, California, United States
- UHC Research, Doral, Florida, United States
- Reliable Clinical Research, Hialeah, Florida, United States
- Nuovida Research Center, Miami, Florida, United States
- IPTB Clinical Research, Tampa, Florida, United States
- Health Synergy Clinical Research, West Palm Beach, Florida, United States
+ 27 more sites.
Who to contact
Study Contact · 844-434-4210 · Participate-In-This-Study1@its.jnj.com
It's completely normal to call and ask questions before deciding anything. Mention the study ID: NCT07573176.
Verify everything on the official ClinicalTrials.gov record. Page updated September 2026.