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Showing 1–24 of 180 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Psilocybin Clear all
Terminated Phase 1 Interventional

Effects of Psilocybin in Concussion Headache

NCT03806985
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Jul 22, 2026, 6:40 PM EDT
Recruiting Phase 1 Interventional

Psilocybin in Chronic Low Back Pain and Depression

NCT06355414
View directory record Official record
Conditions
Chronic Low-back Pain, Depression
Interventions
Psilocybin, Methylphenidate
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jul 22, 2026, 6:40 PM EDT
Recruiting Phase 1Phase 2 Interventional

RCT of Psilocybin-assisted CBT for Depression

NCT07281352
View directory record Official record
Conditions
Major Depressive Diorder
Interventions
Psilocybin (drug), cognitive behavioral therapy, Minimal supportive therapy
Drug · Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Psilocybin-Assisted Physical Therapy in Chronic Low Back Pain

NCT07306364
View directory record Official record
Conditions
Chronic Low Back Pain (CLBP), Physical Therapy, Psilocybin
Interventions
Psilocybin 10 mg, Psilocybin 25 mg, Niacin 100 mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Not listed Phase 2 Interventional

The Safety and Efficacy of Psilocybin in Cancer Patients With Major Depressive Disorder

NCT04593563
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Maryland Oncology Hematology, PA
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 14, 2021 · Synced Jul 22, 2026, 6:40 PM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Psilocybin Efficacy With or Without Pimavanserin Pretreatment

NCT07610135
View directory record Official record
Conditions
Mood (Psychological Function), Well Being, Mood, Healthy
Interventions
Psilocybin, Pimavanserin, Inactive Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Investigating the Mechanisms of the Effects of Psilocybin on Visual Perception and Visual Representations in the Brain

NCT05265546
View directory record Official record
Conditions
Perception Disorders
Interventions
Psilocybin
Drug
Lead sponsor
University of California, Berkeley
Other
Eligibility
21 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Completed Phase 1 Interventional

PAPR: PAP + MBSR for Front-line Healthcare Provider COVID-19 Related Burnout

NCT05557643
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Jul 22, 2026, 6:40 PM EDT
Not yet recruiting Phase 2 Interventional

Study of Psilocybin Under Anesthesia Controlled by EEG

NCT07479550
View directory record Official record
Conditions
Major Depression
Interventions
Psilocybin (Usona Institute), Propofol, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
25 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Not yet recruiting Phase 2 Interventional

Psilocybin-Assisted Psychotherapy for the Treatment of Severe Alcohol Use Disorder

NCT07296094
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Recruiting Phase 1 Interventional

Psilocybin Whole Mushroom for the Treatment of Obsessive-compulsive Disorder.

NCT07347405
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Psilocybin 10 mg, Psilocybin 20 mg, Psilocybin 30 mg
Drug
Lead sponsor
Francisco A Moreno
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Recruiting Phase 2 Interventional

Investigation to Understand and Optimize Psilocybin

NCT06512194
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Jul 22, 2026, 6:40 PM EDT
Active, not recruiting Phase 2 Interventional

An Open Label Study of the Safety and Efficacy of Psilocybin in Participants With Treatment-Resistant Depression (P-TRD)

NCT04433858
View directory record Official record
Conditions
Treatment Resistant Depression
Interventions
Psilocybin
Drug
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Palo Alto, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Jul 22, 2026, 6:40 PM EDT
Active, not recruiting No phase listed Observational

Observational Pilot Study to Explore the Social and Health Impacts of a New Model of Care in Oregon: Psilocybin Services on Alcoholism

NCT07189988
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
psilocybin
Other
Lead sponsor
Healing Advocacy Fund
Other
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced Jul 22, 2026, 6:40 PM EDT
Active, not recruiting Phase 2 Interventional

A Phase II, Multicentre, Randomised, Double-blind, Controlled Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Efficacy of COMP360 in Participants With Recurrent Major Depressive Disorder

NCT05733546
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Psilocybin
Drug
Lead sponsor
COMPASS Pathways
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
5
States / cities
La Jolla, California • Jacksonville, Florida • Rockville, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Jul 22, 2026, 6:40 PM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Psilocybin Effects on Healthy Aging Biomarkers and Purpose in Life

NCT07719088
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Recruiting Phase 2 Interventional

Psilocybin or Ketamine for Alcohol Use Disorder: An Active Comparator Trial

NCT06405607
View directory record Official record
Conditions
Alcohol Use Disorder, Alcohol Dependence, Alcohol Abuse
Interventions
Psilocybin, Ketamine
Drug
Lead sponsor
University of Iowa
Other
Eligibility
21 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced Jul 22, 2026, 6:40 PM EDT
Completed Phase 1 Interventional Results available

Psilocybin-assisted CBT for Depression

NCT05227612
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Psilocybin, Cognitive behavioral therapy
Drug · Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 60 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Completed Phase 1 Interventional

Psilocybin-assisted Therapy for Phantom Limb Pain

NCT05224336
View directory record Official record
Conditions
Phantom Limb Pain
Interventions
Psilocybin, Placebo Niacin
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Not yet recruiting Phase 1 Interventional

Psilocybin After Trauma Surgery for Pain

NCT07406828
View directory record Official record
Conditions
Pain Management, Postoperative Pain
Interventions
Psilocybin (Usona Institute), Postoperative analgesia
Drug
Lead sponsor
Trent Emerick
Other
Eligibility
25 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Completed Phase 1 Interventional Results available

Psilocybin-assisted Group Therapy for Demoralization in Long-term AIDS Survivors

NCT02950467
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 6, 2021 · Synced Jul 22, 2026, 6:40 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pilot Study: Effects of Psilocybin on Behavior, Psychology and Brain Function in Long-term Meditators

NCT01988311
View directory record Official record
Conditions
Psilocybin, Hallucinogens, Pharmacologic Actions, Central Nervous System Agents, Therapeutic Uses, Psychotropic Drugs
Interventions
psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
25 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Jul 22, 2026, 6:40 PM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

Psilocybin Microdosing on Cognition, Mood and Quality of Life

NCT07449351
View directory record Official record
Conditions
Psychedelic Microdosing Effects on Mood, Cognition, Subjective Well-being and MRI
Interventions
Psliocybin, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 22, 2026, 6:40 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

UW Psilocybin Pharmacokinetics Study

NCT02163707
View directory record Official record
Conditions
Healthy
Interventions
Psilocybin
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Jul 22, 2026, 6:40 PM EDT