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ClinicalTrials.gov public records Last synced Sep 24, 2026, 4:02 PM EDT

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Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
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Conditions
Depression
Interventions
Psilocybin, Transcutaneous Auricular Vagus Nerve Stimulation (taVNS), Sham taVNS
Drug · Device
Lead sponsor
Charles Raison
Other
Eligibility
18 Years to 70 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Edwards, Colorado
Conditions
Cancer
Interventions
Psilocybin
Drug
Lead sponsor
University of Utah
Other
Eligibility
25 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
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
Pharmacokinetics, Safety, Tolerability
Interventions
5-methoxy-N,N-dimethyltryptamine succinate salt, Placebo
Drug
Lead sponsor
Usona Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
Psilocybin, Neuropathy
Interventions
Psilocybin (drug), Standard of Care (SOC)
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Houston, Texas
Conditions
Breast Cancer, Ovarian Cancer
Interventions
Psilocybin
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Aurora, Colorado
Conditions
Major Depressive Disorder
Interventions
No intervention will be administered as part of this study.
Other
Lead sponsor
Usona Institute
Other
Eligibility
21 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Lauderhill, Florida
Conditions
QTc Interval, Pharmacokinetics
Interventions
Psilocybin, Moxifloxacin, Micro-Crystalline Cellulose
Drug
Lead sponsor
Usona Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Overland Park, Kansas
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Psilocybin Effects on Healthy Aging Biomarkers and Purpose in Life

NCT07719088
Conditions
Aging, Longevity, Biomarkers of Aging
Interventions
Psilocybin (Usona Institute)
Drug
Lead sponsor
Charles Raison
Other
Eligibility
60 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Edwards, Colorado
Conditions
Depression, Burnout, Professional
Interventions
Psilocybin, Mindfulness-Based Stress Reduction (MBSR)
Drug · Behavioral
Lead sponsor
University of Utah
Other
Eligibility
25 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Depressive Disorder, Major
Interventions
Psilocybin, Niacin, Set and Setting (SaS) Protocol
Drug · Other
Lead sponsor
Usona Institute
Other
Eligibility
21 Years to 65 Years
Enrollment
347 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
11
States / cities
San Francisco, California • Santa Monica, California • New Haven, Connecticut + 8 more
Recruiting Phase 1 Interventional Accepts healthy volunteers

Open-Label Psilocybin Study in Transdiagnostic Population

NCT06442423
Conditions
Transdiagnostic, Depression - Major Depressive Disorder, Anxiety, PTSD Symptoms, PTSD, Substance Use, Substance Use Disorder (SUD), OCD
Interventions
Psilocybin
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Active, not recruiting Phase 1 Interventional

A Study of Psilocybin for PTSD

NCT06407635
Conditions
Post Traumatic Stress Disorder
Interventions
Psilocybin, Trauma-focused psychotherapy, Standard psychological support
Drug · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Borderline Personality Disorder, Major Depressive Disorder
Interventions
Psilocybin
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 1 Interventional Accepts healthy volunteers

Consciousness, Psilocybin, and Well-Being

NCT05592379
Conditions
Healthy, Psychedelic Experiences, Sleep
Interventions
Psilocybin, Clonidine, Saline
Drug · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Stroke, Chronic Stroke, Intracerebral Haemorrhage, Intracerebral Haemorrhage (ICH), Intracerebral Hemorrhage Basal Ganglia, Ischemic Stroke, Ischemic Stroke and Hemorrhagic Stroke, Hemiparesis After Stroke, Hemiplegia Following Ischemic Stroke, Hemiplegia and Hemiparesis, Hemiplegia and/or Hemiparesis Following Stroke, Middle Cerebral Artery Stroke
Interventions
Psilocybin (Usona Institute)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Hospice, Psilocybin, Demoralization, Terminal Illness, Cancer-related Problem/Condition, Psychotherapy, Terminal Cancer, Cancer Terminal
Interventions
Psilocybin, Psychotherapy
Drug · Behavioral
Lead sponsor
Yvan Beaussant, MD, MSci
Other
Eligibility
21 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Danvers, Massachusetts
Conditions
Distress, Depression, Grief
Interventions
Psilocybin, Modified brief Supportive Expressive Group Therapy
Drug · Behavioral
Lead sponsor
Joshua Woolley
Other
Eligibility
50 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Active, not recruiting Early Phase 1 Interventional

Effects of Psilocybin in Obsessive Compulsive Disorder

NCT05546658
Conditions
Obsessive-Compulsive Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
PTSD
Interventions
Psilocybin 15mg, Psilocybin 25mg
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
21 Years to 64 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Post-Treatment Lyme Disease, Chronic Lyme Disease, Lyme Disease, Chronic
Interventions
Psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Major Depressive Disorder, Alcohol Use Disorder
Interventions
Psilocybin, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Active, not recruiting Phase 3 Interventional

Psilocybin for Major Depressive Disorder (MDD)

NCT06308653
Conditions
Depressive Disorder, Major
Interventions
Psilocybin 25 mg, Inactive Placebo, Psilocybin 5 mg, Psychosocial Support
Drug · Behavioral
Lead sponsor
Usona Institute
Other
Eligibility
18 Years and older
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
29
States / cities
Birmingham, Alabama • Fayetteville, Arkansas • Little Rock, Arkansas + 25 more