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
5 trials match this view; 5 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: 114 across 5 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 |
|---|---|---|---|---|---|
| Engaging Mood Brain Circuits With Psilocybin: a Randomized Neuroimaging Trial in DepressionDepressive Disorder · Major Depressive Disorder | Sunnybrook Health Sciences Centre PHASE2 | Recruiting Registry updated 2026-03-30 | 50 ESTIMATED | 2025-05-28 2028-05 2029-05 | |
| Psilocybe Cubensis Mushrooms With or Without Fluoxetine for Refractory DepressionDepressive Disorder | Federal University of Latin American Integration PHASE1, PHASE2 | Recruiting Registry updated 2026-03-27 | 24 ESTIMATED | 2024-09-05 2026-08-20 2026-11-20 | |
| Effect of Psilocybin on the Positive Valence System in Treatment-resistant Depression: a Pilot Clinical Neuroimaging StudyDepressive Disorder · Depressive Disorder, Treatment-Resistant · Hallucinogens · Reinforcement, Psychology | Centre Hospitalier Universitaire de Nīmes NA | Completed Registry updated 2025-08-20 | 10 ACTUAL | 2024-11-19 2025-03-26 2025-06-26 | |
| Psilocybin in Alcohol Use Disorder With Comorbid DepressionAlcohol-Related Disorders · Depressive Disorder · Addiction | Centre Hospitalier Universitaire de Nīmes NA | Completed Registry updated 2025-03-19 | 30 ACTUAL | 2024-02-05 2024-11-19 2025-01-09 | |
| Evaluating the Effect of Length of Time on Selective Serotonin Reuptake Inhibitors (SSRIs) on the Response to Psilocybin-assisted Therapy in Individuals With Mild-moderate Major Depressive Disorder (MDD)Depression · Major Depressive Disorder · Mild Depression · Moderate Depression · Depressive Disorder | Cybin Therapeutics Inc. PHASE2 | Withdrawn Registry updated 2023-07-06 | 0 ACTUAL | 2023-01-01 2023-03-14 2023-03-14 |
Reported research facilities
Sunnybrook Health Sciences CentreToronto, Ontario, Canada
Federal University of Latin American IntegrationFoz do Iguaçu, Paraná, Brazil
CHU de Nîmes, Hôpital Universitaire CarémeauNîmes, France
CHUNîmes, Nîmes, France
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.