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
9 trials match this view; 6 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: 329 across 9 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 |
|---|---|---|---|---|---|
| Consciousness and Psilocybin Effects on Well-Being: The CoPEWell StudyWell-Being, Psychological · Psychedelic Experiences | University of Wisconsin, Madison PHASE1 | Not yet recruiting Registry updated 2026-09-29 | 120 ESTIMATED | 2026-10 2028-02 2028-02 | |
| Role of Experience, Conscious Awareness, and Plasticity in Psilocybin's Behavioral Effects - Follow-Up Study (The RECAP 2 Study)Psilocybin | University of Wisconsin, Madison PHASE1 | Recruiting Registry updated 2026-08-13 | 60 ESTIMATED | 2025-08-07 2027-12 2027-12 | |
| Activating Neuroplasticity to ENHANCE the Perception Box Expanding Effects of PsilocybinHealthy · Psychedelic Experiences · Vagus Nerve Stimulation | University of Wisconsin, Madison PHASE1 | Recruiting Registry updated 2026-07-29 | 108 ESTIMATED | 2025-01-27 2027-11 2028-01 | |
| Phase I Study of the Safety and Adjunctive Effects of Psilocybin in Adults With Opioid Use Disorder Maintained on a Buprenorphine/Naloxone FormulationOpioid Use Disorder | University of Wisconsin, Madison PHASE1 | Recruiting Registry updated 2026-07-07 | 10 ESTIMATED | 2021-01-13 2026-12 2026-12 | |
| Safety and Feasibility of Psilocybin in Methamphetamine Use Disorder in a Community-Based SampleMethamphetamine Use Disorder · Substance-Related Disorders · Chemically-Induced Disorders · Substance Use Disorders · Stimulant-Use Disorder | University of Wisconsin, Madison PHASE1 | Terminated Registry updated 2026-05-12 | 5 ACTUAL | 2023-03-03 2024-03-07 2024-03-07 | |
| Consciousness and Psilocybin Effects on Well-Being (The CoPE Study): Pilot PhaseHealthy · Psychedelic Experiences · Sleep | University of Wisconsin, Madison PHASE1 | Completed Registry updated 2025-05-16 | 6 ACTUAL | 2023-11-07 2025-02-19 2025-02-19 | |
| Recall of Experience and Conscious Awareness in Psilocybin Treatment of Depression (The RECAP Study): Pilot Phase in Healthy Adult VolunteersPsychedelic Experiences · Amnesia | University of Wisconsin, Madison PHASE1 | Completed Registry updated 2023-05-19 | 8 ACTUAL | 2021-05-21 2022-11-17 2022-11-17 | |
| A Phase 1 Study Comparing the Pharmacokinetics and Safety of Intravenous and Oral PsilocybinHealthy | University of Wisconsin, Madison PHASE1 | Withdrawn Registry updated 2023-05-15 | 0 ACTUAL | 2023-06 2024-03 2024-03 | |
| Pharmacokinetics of Psilocybin in Normal Adult VolunteersHealthy | University of Wisconsin, Madison PHASE1 | Completed Registry updated 2020-04-15 | 12 ACTUAL | 2014-06 2015-12 2015-12 |
Reported research facilities
University of WisconsinMadison, Wisconsin, United States
UW School of Medicine and Public HealthMadison, Wisconsin, United States
University of Wisconsin - MadisonMadison, Wisconsin, United States
University of Wisconsin Hospital and ClinicsMadison, Wisconsin, United States
UWHealth, 600 Highland AvenueMadison, Wisconsin, United States
University of Wisconsin, School of PharmacyMadison, Wisconsin, 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.