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ClinicalTrials.gov public records Last synced May 22, 2026, 12:27 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 168 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Psilocybin Clear all
Not yet recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Treatment Resistant Depression, Substance Use Disorders
Interventions
Psilocybin
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced May 22, 2026, 12:27 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 70 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Migraine Headache
Interventions
Psilocybin, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced May 22, 2026, 12:27 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Anxiety, Depression, Hematopoietic and Lymphatic System Neoplasm, Metastatic Malignant Solid Neoplasm
Interventions
Psychotherapy, Psilocybin, Survey Administration
Behavioral · Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 85 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Religious or Spiritual Problem
Interventions
Psilocybin
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
25 Years to 76 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2022 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Parkinson Disease, Depression, Anxiety
Interventions
Psilocybin therapy
Drug
Lead sponsor
Joshua Woolley, MD, PhD
Other
Eligibility
40 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 31, 2024 · Synced May 22, 2026, 12:27 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Obsessive - Compulsive Disorder
Interventions
Low Dose Psilocybin, High Dose Psilocybin
Drug
Lead sponsor
Francisco A Moreno
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced May 22, 2026, 12:27 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Psilocybin 15mg
Drug
Lead sponsor
Manoj Doss
Other
Eligibility
21 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced May 22, 2026, 12:27 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
OCD, Major Depressive Disorder (MDD), Alcohol Use Disorder (AUD), Healthy Volunteer, Migraine, PTSD, PTSD - Post Traumatic Stress Disorder, Addiction, Tobacco Use Disorder, Obsessive Compulsive Disorder (OCD), Opioid Use Disorder
Interventions
Serotonergic Psychedelic, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Hamden, Connecticut • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced May 22, 2026, 12:27 AM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced May 22, 2026, 12:27 AM EDT
Not yet recruiting Phase 2 Interventional
View directory record Official record
Conditions
Stuttering
Interventions
Psilocybin, Speech therapy
Drug · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced May 22, 2026, 12:27 AM EDT
Not yet recruiting Early Phase 1 Interventional
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
Psilocybin 25 mg, Psychotherapy Treatment Session, Niacin 100 mg
Drug · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced May 22, 2026, 12:27 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Opioid-Related Disorders, Pain Management, Pain Management and Care, Advanced Cancer, Advanced Cancers
Interventions
Psilocybin
Drug
Lead sponsor
Yvan Beaussant, MD, MSci
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced May 22, 2026, 12:27 AM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Anhedonia in Healthy Volunteers, Older Adults (50-90 Years)
Interventions
Psilocybin (drug), Dextromethorphan (DXM)
Drug
Lead sponsor
Jennifer Mitchell
Other
Eligibility
50 Years to 85 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced May 22, 2026, 12:27 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Bipolar II Disorder, Depression, Bipolar, Suicidality
Interventions
Psilocybin, Therapeutic Support
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
25 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 17, 2025 · Synced May 22, 2026, 12:27 AM EDT
Recruiting Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Advanced Cancer
Interventions
Psilocybin 25 mgs, Niacin 100mg, Psychotherapy
Drug · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 100 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Aurora, Colorado • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
CYB003, Psychotherapy, Placebo, Psychological Support
Drug · Behavioral
Lead sponsor
Cybin IRL Limited
Industry
Eligibility
21 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
3
States / cities
Atlanta, Georgia • Decatur, Georgia • Eatontown, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 24, 2024 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm, Metastatic Malignant Solid Neoplasm
Interventions
Counseling, Psilocybin, Questionnaire Administration
Other · Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 85 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced May 22, 2026, 12:27 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy, Psychedelic Experiences, Vagus Nerve Stimulation
Interventions
Psilocybin, Transcutaneous auricular Vagus Nerve Stimulation (taVNS), Psychosocial Support Alone, Sham taVNS
Drug · Device · Behavioral + 1 more
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 70 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced May 22, 2026, 12:27 AM EDT
Not yet recruiting Phase 2 Interventional
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Functional Magnetic Resonance Imaging, Interview, Psilocybine, Psychotherapy, Questionnaire Administration
Procedure · Other · Drug + 1 more
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced May 22, 2026, 12:27 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Post Traumatic Stress Disorder, PTSD
Interventions
Psilocybin 25 mg
Drug
Lead sponsor
Sunstone Medical
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced May 22, 2026, 12:27 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Aging
Interventions
Psilocybin
Drug
Lead sponsor
University of California, Berkeley
Other
Eligibility
60 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced May 22, 2026, 12:27 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Bipolar II Disorder
Interventions
Psilocybin therapy
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 75 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced May 22, 2026, 12:27 AM EDT