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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Recruiting Phase 1 Interventional Accepts healthy volunteers

The ENHANCE Study: taVNS and Psilocybin

NCT05866471
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
Conditions
Survivors of Childhood Cancer, Substance Use
Interventions
WHO ASSIST v3.1 Screening with Feedback, ASSIST Linked Brief Intervention (10 Step Motivational interviewing (MI)/FRAMES), WHO ASSIST v3.1 Screening (No Feedback)
Behavioral
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
15 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Depression, Anxiety, Major Depressive Disorder
Interventions
CYB003, Placebo
Drug
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
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
Conditions
Depressive Disorder, Major
Interventions
Esketamine, Aripiprazole
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 74 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
26
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 22 more
Recruiting Phase 1 Interventional Accepts healthy volunteers

Safety and Tolerability Trial of Psilocybin in Healthy Older Adults

NCT07516405
Conditions
Healthy Volunteer, Older Adults (65-85 Years)
Interventions
Psilocybin (Usona Institute)
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
65 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
6
States / cities
San Francisco, California • Aurora, Colorado • Atlanta, Georgia + 3 more
Conditions
Burnout, Burnout, Healthcare Workers
Interventions
Psilocybin, [3-[2-(dimethylamino)ethyl]-1H-indol-4-yl] dihydrogen phosphate
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Diego, California
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
Methamphetamine Use Disorder, Substance-Related Disorders, Chemically-Induced Disorders, Substance Use Disorders, Stimulant-Use Disorder
Interventions
Psilocybin
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
25 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
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
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
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
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
Conditions
Major Depressive Disorder (MDD), Depression in Adults, Depression - Major Depressive Disorder, Depression Disorders, Depression Disorder, Depression
Interventions
CYB003, Psychological Support
Drug · Behavioral
Lead sponsor
Cybin IRL Limited
Industry
Eligibility
18 Years to 85 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
34
States / cities
Birmingham, Alabama • Gilbert, Arizona • Little Rock, Arkansas + 29 more
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
Conditions
Hematopoietic and Lymphatic System Neoplasm, Metastatic Malignant Solid Neoplasm
Interventions
Behavioral Intervention, Group Therapy, Psilocybin, Questionnaire Administration
Behavioral · Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Post Traumatic Stress Disorder, Depression - Major Depressive Disorder
Interventions
Psilocybin + MBCT therapy, Active Comparator: Psilocybin with Support Only
Combination Product
Lead sponsor
Anthony P King
Other
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Not yet recruiting Phase 1Phase 2 Interventional

Psilocybin for Treatment of OCD-2

NCT06992999
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
Conditions
Depressive Symptoms, Depression, Alzheimer Disease, Mild Cognitive Impairment
Interventions
Psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
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
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
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
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
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