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ClinicalTrials.gov public records Last synced Sep 6, 2026, 11:08 AM EDT

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Showing 25–30 of 6 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational Accepts healthy volunteers

Effects of Yohimbine and Naltrexone on Sexual Function

NCT00042536
Conditions
Erectile Dysfunction
Interventions
Naltrexone HCL/ Yohimbine HCL
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Cannabis Use Disorder
Interventions
Hydrocortisone Oral, Yohimbine Hydrochloride, Cornstarch Placebo 20mg, Cornstarch Placebo 54mg
Drug
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 50 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Tallahassee, Florida
Completed No phase listed Observational Accepts healthy volunteers

Brain Receptors in Sympathetic Nervous System Regulation

NCT00029627
Conditions
Healthy
Interventions
Yohimbine
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Yohimbine to Enhance Cognitive Behavioral Therapy (CBT) for Social Anxiety

NCT00958880
Conditions
Social Anxiety Disorder
Interventions
Group Cognitive Behavioral Therapy, Yohimbine Hydrochloride, Sugar Pill
Behavioral · Drug
Lead sponsor
Southern Methodist University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
2
States / cities
Boston, Massachusetts • Dallas, Texas
Completed Phase 1Phase 2 Interventional Results available

Mifepristone for the Prevention of Relapses of Alcohol Drinking

NCT02243709
Conditions
Alcohol Use Disorders (AUD)
Interventions
Mifepristone 600-mg/day or placebo for a week
Drug
Lead sponsor
Brown University
Other
Eligibility
21 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Cigarette Smoking
Interventions
Yohimbine Hydrochloride, Hydrocortisone, Lactose Monohydrate Powder
Drug
Lead sponsor
Wayne State University
Other
Eligibility
21 Years to 35 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Detroit, Michigan