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.
Free access · No subscription for research tools or data exports
Explore registry geography and organisations
12 trials match this view; 18 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: 612 across 12 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 |
|---|---|---|---|---|---|
| NeuroGuard: Psilocybin Trial for Preventing Chemo-induced NeuropathyPsilocybin · Neuropathy | M.D. Anderson Cancer Center PHASE2 | Not yet recruiting Registry updated 2026-10-05 | 83 ESTIMATED | 2026-11-04 2029-01-31 2031-01-31 | |
| PRoMiSS: Psilocybin and the Role of Music in Set and SettingPsilocybin · Music Intervention | Johns Hopkins University PHASE1 | Recruiting Registry updated 2026-09-15 | 100 ESTIMATED | 2025-08-12 2028-06 2028-08 | |
| Psilocybin in Chronic Low Back Pain: An Integrative Study of Lab-Based Mechanisms and Real-World Physical Therapy OutcomesChronic Low Back Pain (CLBP) · Physical Therapy · Psilocybin | Yale University PHASE2 | Not yet recruiting Registry updated 2026-08-19 | 45 ESTIMATED | 2026-10 2029-06 2029-06 | |
| 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 | |
| Efficacy in Relapse Prevention: Psilocybin in Alcohol Use Disorder With Depressive SymptomsAlcohol Use Disorder · Depressive Sympotoms · Psilocybin | Centre Hospitalier Universitaire de Nīmes PHASE3 | Recruiting Registry updated 2026-07-01 | 172 ESTIMATED | 2026-06-30 2030-06 2030-06 | |
| Group Psilocybin-assisted Cognitive Behavioral Therapy for Major Depressive DisorderDepression - Major Depressive Disorder · Psilocybin · Cognitive Behavioral Therapy | University of California, Los Angeles PHASE2 | Not yet recruiting Registry updated 2026-05-04 | 30 ESTIMATED | 2027-01 2028-12 2028-12 | |
| The Effects of Psilocybin in Healthy Volunteers: Psychological, Biochemical and Electrophysiological Biomarkers.Healthy Participants · Placebo - Control · Psilocybin | Gabriella Gobbi PHASE1 | Not yet recruiting Registry updated 2026-02-25 | 50 ESTIMATED | 2026-09-01 2028-09-01 2029-09-01 | |
| Pilot Study of Psilocybin-Assisted Therapy for Demoralization in Patients Receiving Hospice Care - PATH StudyHospice · Psilocybin · Demoralization · Terminal Illness · Cancer-related Problem/Condition · Psychotherapy · Terminal Cancer · Cancer Terminal | Yvan Beaussant, MD, MSci PHASE2 | Completed Registry updated 2026-02-17 | 15 ACTUAL | 2022-03-09 2024-07-27 2025-12-31 | |
| Precision Functional Brain Mapping to Understand the Mechanisms of PsilocybinPsilocybin | Washington University School of Medicine EARLY_PHASE1 | Completed Registry updated 2025-10-31 | 11 ACTUAL | 2021-06-01 2023-03-19 2023-03-19 | |
| Evaluation of the Effect of a Single Dose of Psilocybin on Neural Correlates of Cognitive Control in Patients With Psychogenic Nonepileptic SeizuresPsychogenic Nonepileptic Seizures · Psilocybin | Centre Hospitalier Universitaire de Nīmes NA | Completed Registry updated 2025-08-21 | 4 ACTUAL | 2024-12-19 2025-01-03 2025-05-22 | |
| Assessing the Feasibility of a Custom Psychedelic-assisted Group Program on Mental and Physical Health in First RespondersPsilocybin · Psychotherapy, Group | Empower Research Inc PHASE1, PHASE2 | Unknown status Registry updated 2024-06-24 | 32 ESTIMATED | 2025-01-01 2025-07-01 2025-09-01 | |
| Pilot Study: Effects of Psilocybin on Behavior, Psychology and Brain Function in Long-term MeditatorsPsilocybin · Hallucinogens · Pharmacologic Actions · Central Nervous System Agents · Therapeutic Uses · Psychotropic Drugs | Johns Hopkins University PHASE1 | Completed Registry updated 2014-05-20 | 10 ESTIMATED | 2013-05 2014-01 2014-05 |
Reported research facilities
MD Anderson Cancer CenterHouston, Texas, United States
Center for Psychedelics and Consciousness Research in the Behavioral Biology Research CenterBaltimore, Maryland, United States
Connecticut Mental Health CenterNew Haven, Connecticut, United States
UW School of Medicine and Public HealthMadison, Wisconsin, United States
Centre Hospitalier de la Côte BasqueBayonne, France
CHU BesançonBesançon, France
CHU de BordeauxBordeaux, France
CHU BrestBrest, France
CH Le VinatierBron, France
CHU de NantesNantes, France
CHU de NîmesNîmes, France
CHU Saint-EtienneSaint-Priest, France
UCLA Semel InstituteLos Angeles, California, United States
Care DimensionsDanvers, Massachusetts, United States
Washington UniversitySt Louis, Missouri, United States
CHU de Nîmes, Hôpital Universitaire CarémeauNîmes, France
Centre for Neurology StudiesSurrey, British Columbia, Canada
Behavioral Pharmacology Research Unit, Johns Hopkins Bayview Medical CenterBaltimore, Maryland, 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.