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
7 trials match this view; 9 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: 207 across 7 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
| Trial | Sponsor and phase | Status | Enrollment | Start / primary completion / completion | Research workflow |
|---|---|---|---|---|---|
| Psilocybin-Assisted Massed Cognitive Processing Therapy for Chronic Posttraumatic Stress Disorder: An Open-label TrialPost Traumatic Stress Disorder · PTSD · Chronic PTSD | Unity Health Toronto PHASE2 | Active, not recruiting Registry updated 2026-10-06 | 15 ESTIMATED | 2026-06-01 2028-01 2028-06 | |
| A Phase 2, Open-Label Study Investigating the Safety and Efficacy of Psilocybin-Assisted Therapy for Sexual Assault-Related Posttraumatic Stress Disorder (PTSD)Post Traumatic Stress Disorder · PTSD | Sunstone Medical PHASE2 | Recruiting Registry updated 2026-07-01 | 70 ESTIMATED | 2026-05-23 2027-11 2028-05 | |
| A Pilot Mechanistic RCT of Psilocybin With Mindfulness-based Therapy vs Support for Posttraumatic Stress Disorder (PTSD)Post Traumatic Stress Disorder · Depression - Major Depressive Disorder | Anthony P King PHASE2 | Recruiting Registry updated 2026-06-25 | 30 ESTIMATED | 2026-07-01 2029-09 2029-12 | |
| Psilocybin for PTSD With or Without Psychotherapy: A Pilot Study of Safety and EfficacyPost Traumatic Stress Disorder | Johns Hopkins University PHASE1 | Active, not recruiting Registry updated 2026-06-22 | 20 ESTIMATED | 2024-06-07 2026-03-09 2027-05 | |
| The Safety and Tolerability of COMP360 in Participants With Post-traumatic Stress DisorderPost Traumatic Stress Disorder | COMPASS Pathways PHASE2 | Completed Registry updated 2025-06-13 | 22 ACTUAL | 2022-06-10 2024-02-12 2024-02-12 | |
| A Randomized, Placebo-controlled Trial of Psychedelic-assisted Psychotherapy With Single Dose Psilocybin for Frontline Clinicians Experiencing COVID-related Symptoms of Depression and BurnoutBurnout, Caregiver · Burnout, Professional · COVID-19 · Depression · Post Traumatic Stress Disorder · Moral Injury | University of Washington PHASE3 | Completed Registry updated 2025-03-18 | 30 ACTUAL | 2022-03-03 2023-12-30 2024-06-30 | |
| Investigating the Therapeutic Effects of Psilocybin in Treatment-Resistant Post-Traumatic Stress DisorderTreatment Resistant Disorders · Post Traumatic Stress Disorder | Halucenex Life Sciences Inc. PHASE2 | Unknown status Registry updated 2023-06-29 | 20 ESTIMATED | 2022-10-03 2023-10-30 2023-12-30 |
Reported research facilities
St. Michael's Hospital, Unity Health TorontoToronto, Ontario, Canada
Sunstone Medical, PCRockville, Maryland, United States
The Ohio State University Medical CenterColumbus, Ohio, United States
Johns Hopkins Center for Psychedelic and Consciousness ResearchBaltimore, Maryland, United States
Sunstone TherapiesRockville, Maryland, United States
Icahn School of Medicine at Mount SinaiNew York, New York, United States
Kings College London, Institute of Psychiatry, Psychology and NeurologyLondon, United Kingdom
University of WashingtonSeattle, Washington, United States
Halucenex Life Sciences Inc.Windsor, Nova Scotia, 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.