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; 3 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: 149 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.
Matching trial records
| Trial | Sponsor and phase | Status | Enrollment | Start / primary completion / completion | Research workflow |
|---|---|---|---|---|---|
| Investigating the Effects of a Psychedelic-augmented Mental Imagery-based Intervention for Young People With Self-harm Behaviour: an Experimental Medicine StudySelf Harm | Imperial College London EARLY_PHASE1 | Recruiting Registry updated 2025-12-05 | 30 ESTIMATED | 2025-10-01 2026-08-31 2026-10-31 | |
| PsilOCD: Evaluating the Effects of the 5-HT2A Agonist Psilocybin on the Neurocognitive and Clinical Correlates of Compulsivity (A Pharmacological-Challenge Feasibility Study)Obsessive-Compulsive Disorder | Imperial College London PHASE1 | Completed Registry updated 2024-11-06 | 19 ACTUAL | 2022-10-28 2024-06-28 2024-07-24 | |
| Psilocybin vs Escitalopram for Major Depressive Disorder: Comparative MechanismsDepressive Disorder, Major | Imperial College London PHASE2 | Completed Registry updated 2024-10-24 | 59 ACTUAL | 2019-01-07 2020-04-17 2020-10-17 | |
| Psilocybin as a Treatment for Anorexia Nervosa: A Pilot StudyAnorexia Nervosa | Imperial College London PHASE1, PHASE2 | Completed Registry updated 2024-06-17 | 21 ACTUAL | 2021-05-28 2023-12-11 2024-06-12 | |
| Psilocybin in Patients With Fibromyalgia: EEG-measured Brain Biomarkers of ActionFibromyalgia | Imperial College London Phase not reported | Unknown status Registry updated 2024-01-19 | 20 ESTIMATED | 2022-08-15 2024-01-10 2024-07-30 |
Reported research facilities
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.