Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 30, 2026, 8:20 PM EDT

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Showing 25–33 of 33 matching trials from the live ClinicalTrials.gov search.
Conditions
Opioid Use Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Anna Rose Childress, Ph.D.
Other
Eligibility
18 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Opioid Use Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Demoralization
Interventions
Psilocybin, Ketamine
Drug
Lead sponsor
Charles S. Grob, M.D.
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
5
States / cities
Greenbrae, California • Los Angeles, California • San Francisco, California + 2 more
Conditions
Spinal Cord Injury, Depression - Major Depressive Disorder, Veteran
Interventions
Psilocybin (Usona Institute)
Drug
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
22 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Post-Traumatic Headache
Interventions
Placebo oral capsule, Low Dose Psilocybin, High Dose Psilocybin
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
West Haven, Connecticut
Conditions
Parkinson Disease, Depression
Interventions
Psilocybin, Pimavanserin
Drug
Lead sponsor
Joshua Woolley, MD, PhD
Other
Eligibility
40 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
San Francisco, California
Conditions
Opioid Use Disorder
Interventions
Psilocybin
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
5
States / cities
Albuquerque, New Mexico • Brooklyn, New York • New York, New York + 1 more
Conditions
Alcohol Use Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Obsessive-compulsive Disorder (OCD)
Interventions
Psilocybin 100 mcg/kg, Psilocybin 300 mcg/kg, Lorazepam 1 mg
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Tucson, Arizona