- 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
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- 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
- 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
- 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
- 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
- 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
- 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