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; 7 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: 311 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.
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 |
|---|---|---|---|---|---|
| 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 | |
| Safety for Home Administration of Microdose Psilocybin UsePsychedelic Experiences | Johns Hopkins University PHASE1 | Completed Registry updated 2026-08-14 | 17 ACTUAL | 2024-12-06 2026-07-31 2026-07-31 | |
| 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 | |
| Multivariate Neural and Physiological Correlates of Psychedelic Sub-states: a Within-subjects, Healthy Volunteer Study With Experience-samplingPsychedelic Experiences · Neuroimaging · Healthy Volunteers | Robin Carhart-Harris, PhD, MA PHASE1 | Active, not recruiting Registry updated 2026-06-05 | 12 ESTIMATED | 2023-07-31 2026-01-30 2027-01-30 | |
| Visual Surround Suppression and Perceptual Expectation Under PsilocybinPerception Disturbance · Visual Suppression · Psychedelic Experiences | University of Minnesota PHASE1 | Terminated Registry updated 2025-06-27 | 10 ACTUAL | 2021-08-30 2023-09-01 2023-09-01 | |
| 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 | |
| The Effects of Psilocybin on Shared Experience in Film ProcessingDisorders of Consciousness · Psychedelic Experiences | Western University, Canada NA | Unknown status Registry updated 2024-09-27 | 30 ESTIMATED | 2024-11 2025-09 2025-09 | |
| 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 | |
| Mood and Cognitive Effects of Low Doses of Psilocybin Observed in Healthy Subjects ("MELO"): A Blinded, Placebo-Controlled, Dose-Finding StudyMood Disturbance · Mood Change · Sleep Disturbance · Drug Effect · Psychedelic Experiences · Health, Subjective · Psilocin Toxicity · Psilocybin Toxicity · Psilocybin Causing Adverse Effects in Therapeutic Use · Anxiety | Optimi Health Corporation EARLY_PHASE1 | Withdrawn Registry updated 2023-03-20 | 0 ACTUAL | 2023-01 2023-08 2023-12 |
Reported research facilities
University of WisconsinMadison, Wisconsin, United States
5510 Nathan Shock DriveBaltimore, Maryland, United States
University of Wisconsin - MadisonMadison, Wisconsin, United States
University of California, San FranciscoSan Francisco, California, United States
University of MinnesotaMinneapolis, Minnesota, United States
University of Wisconsin Hospital and ClinicsMadison, Wisconsin, United States
UWHealth, 600 Highland AvenueMadison, 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.