Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 5, 2026, 12:34 PM 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 84 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Methamphetamine Use Disorder
Interventions
Ketamine, Psychotherapy
Drug · Behavioral
Lead sponsor
Nicky Mehtani, MD, MPH
Other
Eligibility
18 Years to 69 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francicso, California
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
Amphetamine-Related Disorders
Interventions
Psilocybin, Treatment-as-usual
Drug · Behavioral
Lead sponsor
Portland VA Research Foundation, Inc
Other
Eligibility
25 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Vancouver, Washington
Conditions
PTSD, Stress Disorders, Traumatic, Stress Disorders, Post-Traumatic, Trauma and Stressor Related Disorders, Mental Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 64 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Not yet recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

The Acute Effects of Psilocybin on Cognition, Memory, and Brain Function

NCT07079852
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
2026 – 2028
U.S. locations
1
States / cities
Austin, Texas
Conditions
Depression
Interventions
Psilocybin (Usona Institute)
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
St Louis, Missouri
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
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
Completed No phase listed Observational Accepts healthy volunteers

Psychedelics and Wellness Study (PAWS)

NCT04040582
Conditions
Depression, Anxiety, PTSD
Interventions
Not listed
Lead sponsor
WILD 5 Wellness
Other
Eligibility
18 Years to 100 Years
Enrollment
3,234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Austin, Texas
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
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Psilocybin Administration With 5-HT1a Blockade

NCT07565493
Conditions
Psychedelic Effects in Healthy Volunteers
Interventions
Pindolol, Placebo, Psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 60 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Withdrawn Phase 2 Interventional

Trifecta Research Study

NCT06810765
Conditions
PTSD - Post Traumatic Stress Disorder, Cognitive Dysfunction, Brain Trauma, Brain Injuries
Interventions
Hormone Replacement Therapy (HRT), Magnetic Resonance Therapy (MeRT), ibogaine with magnesium treatment, 5-MeO-DMT
Other · Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Enrolling by invitation Phase 1 Interventional

Psilocybin With Intracranial Neural Sensing

NCT06919640
Conditions
Chronic Pain
Interventions
Psilocybin
Drug
Lead sponsor
Joshua Woolley, MD, PhD
Other
Eligibility
21 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Francisco, California
Conditions
Major Depressive Disorder
Interventions
CYB003, Psychological Support, Placebo
Drug · Behavioral
Lead sponsor
Cybin IRL Limited
Industry
Eligibility
18 Years to 85 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
45
States / cities
Phoenix, Arizona • Tucson, Arizona • Bellflower, California + 35 more
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
Conditions
Methamphetamine Use Disorder
Interventions
Psilocybin (single oral capsule administered at one of two dose levels, Dose A or Dose B; specific doses withheld during conduct)., Manualized cognitive behavioral therapy platform (2 preparation + 2 integration sessions).
Drug · Behavioral
Lead sponsor
Peter Hendricks
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2032
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Hallucinogens and Other Drugs on Mood and Performance

NCT02033707
Conditions
Healthy
Interventions
Hallucinogens and psychoactive substances
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Visual Surround Suppression and Perceptual Expectation Under Psilocybin

NCT04424225
Conditions
Perception Disturbance, Visual Suppression, Psychedelic Experiences
Interventions
Psilocybin, Niacin
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
25 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
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
Completed No phase listed Observational Accepts healthy volunteers

Psychedelic Virtual Reality

NCT06581263
Conditions
Psychedelic Experiences, Virtual Reality, Healthy Volunteer
Interventions
Meta Quest 3
Device
Lead sponsor
Yale University
Other
Eligibility
21 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Psychological Stress, Depression, Anxiety
Interventions
Psilocybin, Integration sessions
Drug · Behavioral
Lead sponsor
Rachel Yehuda
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
New York, 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
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Trifecta Research Study

NCT07717866
Conditions
PTSD - Post Traumatic Stress Disorder, Cognitive Dysfunction, Brain Injury, Depression - Major Depressive Disorder, Suicidal Ideation
Interventions
Magnetic e-Resonance Therapy (MeRT), Ibogaine Hydrochloride with Magnesium Sulfate, 5-methoxy-N,N-dimethyltryptamine, Physiological Supplementation
Device · Drug
Lead sponsor
Axial Therapeutic Research
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Northridge, California
Conditions
Alcohol Use Disorder (AUD), PTSD
Interventions
Psilocybin 25 mg, Maltodextrin (Placebo)
Drug
Lead sponsor
Nathan Brashares Sackett
Other
Eligibility
21 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Seattle, Washington