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ClinicalTrials.gov public records Last synced Sep 9, 2026, 6:14 AM EDT

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Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
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Conditions
Alcohol Use Disorder
Interventions
Pregnenolone300, Pregnenolone500, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 68 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
New Haven, Connecticut
Conditions
Anxiety and Depression
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Major Depressive Disorder
Interventions
Pregnenolone 500 mg, Pregnenolone 800 mg, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Completed Not applicable Interventional Results available

Adjunctive Pregnenolone in Veterans With Mild TBI

NCT00623506
Conditions
Traumatic Brain Injury
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
Durham VA Medical Center
Federal
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Recruiting Phase 2 Interventional Accepts healthy volunteers

Pregnenolone as a Treatment for Cannabis Intoxication

NCT07216690
Conditions
Cannabis Intoxication
Interventions
Cannabis, Pregnenolone 250 mg, Pregnenolone 500 mg, Placebo, Placebo brownie
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Traumatic Brain Injury, TBI
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
Christine Marx, MD
Other
Eligibility
21 Years to 65 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Durham, North Carolina
Conditions
Alcohol Use Disorder (AUD), Major Depressive Disorder (MDD)
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
Sherwood Brown, MD, PhD
Other
Eligibility
21 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
2
States / cities
Dallas, Texas • Richardson, Texas