Mental health · O'Fallon, MO
Mental health studies in O'Fallon, MO
5 recruiting studies have a site in O'Fallon.
5 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingPhase 3
A Study to Evaluate the Maintenance Effect of Osavampator as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)
Neurocrine Biosciences
- Location
- O'Fallon, MO + 19 other US sites
- Eligibility basics
- Ages 18+
- Recruiting
A Prospective, Multi-center, Randomized Controlled Blinded Trial Demonstrating the Safety and Effectiveness of VNS Therapy® System as Adjunctive Therapy Versus a No Stimulation Control in Subjects With…
LivaNova
- Location
- O'Fallon, MO + 49 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Study of Lumateperone as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder
Intra-Cellular Therapies, Inc.
- Location
- O'Fallon, MO + 19 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
Long-Term Study to Assess the Safety and Tolerability of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)
Neurocrine Biosciences
- Location
- O'Fallon, MO + 38 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
Study to Assess Adverse Events and Change in Disease Activity When Oral ABBV-932 is Added to Antidepressant Therapies in Adult Participants With Generalized Anxiety Disorder
AbbVie
- Location
- O'Fallon, MO + 46 other US sites
- Eligibility basics
- Ages 18–65
Who these studies look for
Studies usually require a confirmed diagnosis and stable circumstances, and they monitor safety closely. If you are in crisis, contact a crisis line or emergency services rather than a study.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.