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
2 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: 350 across 2 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 |
|---|---|---|---|---|---|
| A Phase 2b/3, Multicentre, Randomised, Double-blind, Controlled Trial, With an Open Label Extension, to Investigate the Efficacy, Safety, and Tolerability of COMP360 in Participants With Post-traumatic Stress DisorderPTSD - Post Traumatic Stress Disorder · PTSD · PTSD Symptoms · PTSD, Post Traumatic Stress Disorder | COMPASS Pathways PHASE2, PHASE3 | Recruiting Registry updated 2026-10-06 | 300 ESTIMATED | 2026-09 2028-11 2029-09 | |
| Safety, Feasibility, and Tolerability of Psilocybin Treatment for Individuals With Functional Impairment Related to Mood, Anxiety, Trauma and/or Addiction Symptoms: An Open-label Proof-of-concept StudyTransdiagnostic · Depression - Major Depressive Disorder · Anxiety · PTSD Symptoms · PTSD · Substance Use · Substance Use Disorder (SUD) · OCD | Yale University PHASE1 | Recruiting Registry updated 2026-03-11 | 50 ESTIMATED | 2024-10-17 2027-12 2027-12 |
Reported research facilities
FLMiami, Florida, United States
FLOrlando, Florida, United States
ILChicago, Illinois, United States
MNEden Prairie, Minnesota, United States
NELincoln, Nebraska, United States
NVLas Vegas, Nevada, United States
NYNew York, New York, United States
BCNorth Vancouver, British Columbia, Canada
Connecticut Mental Health Center - Yale School of MedicineNew Haven, Connecticut, United States
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.