Psilocybin-Research.comSearchable psilocybin and psilocin bibliometric database.Countries and organisations
Explore psilocybin trials by country, sponsor and research facility. Compare registry status, study-start trends, conditions and mapped research sites.
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Explore registry geography and organisations
23 trials match this view; 22 mapped facilities. Latest indexed registry check Oct 9, 2026 01:24 UTC. Country membership uses reported locations, including locations without coordinates; Mapped-facility counts cover all sites of matching trials, including international sites, and require valid coordinates.
Enrollment sum: 1,254 across 23 records with a reported count. Planned and actual counts are mixed; this is not a count of unique treated participants.
Recorded study-start years
Current indexed registry status
Reported research conditions
Counts describe indexed registry records, not efficacy or total research activity. A trial can count under several conditions or countries. Unknown dates are excluded from the start-year chart; future years reflect planned starts. Stopped studies may reflect recruitment, funding or strategy and are not automatically treatment failures.
Countries with reported trial locations
Sponsors recorded in this index
Matching trial records
Reported research facilities
Yale UniversityNew Haven, Connecticut, United States
Johns Hopkins Center for Psychedelic and Consciousness ResearchBaltimore, Maryland, United States
Johns Hopkins University School of MedicineBaltimore, Maryland, United States
University of California, San FranciscoSan Francisco, California, United States
The Parsons Research Center for Psychedelic HealingNew York, New York, United States
The University of Texas M. D. Anderson Cancer CenterHouston, Texas, United States
Vail Health Behavioral HealthEdwards, Colorado, United States
Fred Hutch/University of Washington Cancer ConsortiumSeattle, Washington, United States
The Ohio State University Department of PsychiatryColumbus, Ohio, United States
Toronto Western HospitalToronto, Ontario, Canada
Centre for Addiction and Mental Health (CAMH)Toronto, Ontario, Canada
Washington University School of MedicineSt Louis, Missouri, United States
University Hospital Basel, Division of Clinical Pharmacology and ToxicologyBasel, Switzerland
University Hospital Geneva, Palliative medicine departmentCollonge-Bellerive, Switzerland
Spital Uster AG, Division of Internal MedicineUster, Switzerland
University Hospital Zurich, Clinic for Radio-Oncology, Competence Centre Palliative CareZurich, Switzerland
Health Discovery Building (HDB), 1601 Trinity St., Bldg B., Z0600Austin, Texas, United States
National University of Natural MedicinePortland, Oregon, United States
University of WashingtonSeattle, Washington, United States
Huntsman Mental Health InstituteSalt Lake City, Utah, United States
Northern Stockholm Spychiatry ClinicStockholm, Sweden
Centre for Neurology Studies x UpstreamAbbotsford British Columbia, British Columbia, Canada
This list includes mapped sites of matching trials, including international sites; locations without usable coordinates are omitted. Facilities are registry-reported trial sites, not an independently verified clinic or research-centre directory. Current services and contact details must be checked at the source.