Behavioral health Clinical Trials in St Louis, MO

As of June 2026, 41 paid clinical trials are recruiting for Behavioral health in St Louis, Missouri. Behavioral health trials span mental-health pharmacotherapy and addiction treatment — testing new agents and therapies for depression, anxiety, opioid use disorder, alcohol use, and tobacco cessation. Compensation typically covers time, travel, and study visits, and many studies also include study-related medical care at no cost.

Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: June 12, 2026.

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41 clinical trials for Behavioral health

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Nitrous Oxide- Suicidal Ideation

for Major Depressive Disorder

1 location in St Louis

Sponsor: Washington University School of Medicine

Sex: All·Age: 18 - 65

Code: NCT03736538·Phase 1·Enrolling By Invitation

Conditions in Behavioral health (St Louis, MO)

Depression· 16 Schizophrenia· 7 Opioid use disorder· 6 Tobacco / nicotine use· 6 PTSD (post-traumatic stress disorder)· 3 Substance use disorder· 2 Anxiety· 1 Bipolar disorder· 1