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
1 trials match this view; 116 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: 572 across 1 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 |
|---|---|---|---|---|---|
| A Phase III, Multicentre, Randomised, Double-blind, Controlled Study to Investigate the Efficacy, Safety, and Tolerability of Two Administrations of COMP360 in Participants With Treatment-resistant DepressionTreatment Resistant Depression | COMPASS Pathways PHASE3 | Active, not recruiting Registry updated 2026-08-10 | 572 ACTUAL | 2023-02-14 2025-11-13 2026-12 |
Reported research facilities
Lighthouse Psychiatry ScottsdaleGilbert, Arizona, United States
Clinical Innovations, Inc.Bellflower, California, United States
M3 Wake ResearchEncino, California, United States
The Regents of the University of California - San DiegoLa Jolla, California, United States
Kadima Neuropsychiatry InstituteLa Jolla, California, United States
CalNeuro Research Group, IncLos Angeles, California, United States
Catalina Research Institute, LLCMontclair, California, United States
Piedmont Hospital Neuroscience CentreOakland, California, United States
ATP Clinical Research, Inc.Orange, California, United States
CITrialsRiverside, California, United States
Lumos Clinical Research CenterSan Jose, California, United States
Syrentis Clinical ResearchSanta Ana, California, United States
Stanford UniversityStanford, California, United States
ASCLEPES Research CentersThousand Oaks, California, United States
Pacific Clinical Research Management Group, LLCUpland, California, United States
Innovative Clinical Research, Inc.Lauderhill, Florida, United States
Central Miami Medical Institute, LLCMiami, Florida, United States
Behavioral Clinical Research, Inc.Miami Lakes, Florida, United States
Health Synergy Clinical ResearchOkeechobee, Florida, United States
Clinical Neurosciecne Solutions, Inc. dba CNS HealthcareOrlando, Florida, United States
APG Research, LLC- Advanced Psychiatric GroupOrlando, Florida, United States
University South FloridaTampa, Florida, United States
Stedman Clinical TrialsTampa, Florida, United States
Health Synergy Clinical Research, LLCWest Palm Beach, Florida, United States
Atlanta Center for Medical ResearchAtlanta, Georgia, United States
iResearch AtlantaDecatur, Georgia, United States
Rush University Medical CenterChicago, Illinois, United States
Uptown Research Institute, LLCChicago, Illinois, United States
Psychiatric Medicine AssociatesSkokie, Illinois, United States
Harvard Medical School - McLean HospitalBelmont, Massachusetts, United States
Adams Clinical - Boston (Copley Clinical)Boston, Massachusetts, United States
University of Massachusetts Medical SchoolNorth Worcester, Massachusetts, United States
Adams Clinical - BostonWatertown, Massachusetts, United States
Michigan Clinical Research Institute PCAnn Arbor, Michigan, United States
University Of Michigan Comprehensive Depression CenterAnn Arbor, Michigan, United States
Institute for Integrative TherapiesEden Prairie, Minnesota, United States
St. Charles Psychiatric Associates - Midwest Research GroupSaint Charles, Missouri, United States
Alivation Research, LLC.Lincoln, Nebraska, United States
Hassman Research InstituteBerlin, New Jersey, United States
Princeton Medical InstitutePrinceton, New Jersey, United States
Bio Behavioral HealthToms River, New Jersey, United States
Dent Neurosciences Research Center, Inc.Amherst, New York, United States
Fieve Clinical Research, IncNew York, New York, United States
Spectrum Neuroscience and Treatment InstituteNew York, New York, United States
Adams Clinical - New YorkNew York, New York, United States
New York State Psychiatric InstituteNew York, New York, United States
Richmond Behavioral AssociatesStaten Island, New York, United States
Adams Clinical - New YorkThe Bronx, New York, United States
University of Cincinnati, Department of Psychiatry & Behavirol NeuroscienceCincinnati, Ohio, United States
Cleveland Clinic - Lutheran HospitalCleveland, Ohio, United States
The Ohio State UniversityColumbus, Ohio, United States
Suburban Research AssociatesMedia, Pennsylvania, United States
The University of Texas at Austin - Dell Medical SchoolAustin, Texas, United States
Houston Clinical Trials, LLCBellaire, Texas, United States
Relaro Medical TrialsDallas, Texas, United States
Center for Depression Research and Clinical CareDallas, Texas, United States
North Texas Clinical TrialsFort Worth, Texas, United States
Brain Health Consultants and TMS CenterHouston, Texas, United States
HCA Healthcare Research Institute - Medical City Green Oaks HospitalPlano, Texas, United States
Cedar Clinical ResearchDraper, Utah, United States
The University of Utah - Huntsman Mental Health InstituteSalt Lake City, Utah, United States
Seattle Neuropsychiatric Treatment CenterSeattle, Washington, United States
Diex Recherche Sherbrooke Inc.Québec, B.C., Canada
Medical Arts Health Research Centre, KamloopsKamloops, British Columbia, Canada
Okanagan Clinical TrialsKelowna, British Columbia, Canada
Medical Arts Research Group - PentictonPenticton, British Columbia, Canada
Chatham-Kent Clnical Trials CentreChatham, Ontario, Canada
St. Michael's HospitalToronto, Ontario, Canada
Centre for Addiction and Mental Health (CAMH)Toronto, Ontario, Canada
Centre for Neurology StudiesVancouver, Canada
Medical Arts Research GroupVancouver, Canada
National Institute of Mental HealthKlecany, Czechia
Neuroterapie KH SroKutná Hora, Czechia
Psychiatric AmbulanceOstrava, Czechia
A-Shine s.r.o.Pilsen, Czechia
Psychedelicka klinika, s.r.o.Prague, Czechia
Institut Neuropsychiatricke PecePrague, Czechia
Aalborg Universitetshospital-Psykiatrien Region NordjyllandAalborg, Denmark
Ghu-Centre Hospitalier Sainte Anne, Centre de Recherche CliniqueParis, Paris, France
Centre Hospitalier Universitaire de Nimes (CHU) - Hopital Universitaire CaremeauNîmes, France
Universite Paris VI Pierre et Marie Curie - Hopital de La Salpetriere - Centre Emotion - USR 3246 (CNRS UMR 7593)Paris, France
Centre Hospitalier Sainte Anne - Clinique des Maladies Mentales et de l'Encephale (CMME)Paris, France
Charite-Universitaetsmedizin BerlinBerlin, Germany
Johann Wolfgang Goethe-Universitaet Frankfurt am Main - Klinik fuer Psychiatrie, Psychosomatik und PsychotherapieFrankfurt, Germany
ZiP Campus LuebeckLübeck, Germany
Tallaght University HospitalDublin, Ireland
La Nua Day Hospital Mental Health CentreGalway, Ireland
University Medical Center GroningenGroningen, Netherlands
Leids Universitair Medisch Centrum (LUMC) (Leiden University Medical Center) - Leiden Institute for Brain and Cognition (LIBC)Leiden, Netherlands
Universitair Medisch Centrum Utrecht (UMC Utrecht)Utrecht, Netherlands
Promente - Ośrodek Badań KlinicznychBydgoszcz, Poland
Uniwersyteckle Centrum Kliniczne, Klinika Psychiatrii DoroslychGdansk, Poland
Centrum Badan Klinicznych PI-House Sp. z o.o.Gdansk, Poland
Hospital Clinic de BarcelonaBarcelona, Spain
Parc Sanitari Sant Joan de Deu (Sant Joan de Deu Serveis de Salut Mental)Barcelona, Spain
Hospital Universitario Fundacion Jimenez DiazMadrid, Spain
FIDMAG Hermanas HospitalariasSant Boi de Llobregat, Spain
Hospital Universitario Río Hortega de ValladolidValladolid, Spain
Hospital Provincial de Zamora - Servicio de PsiquiatriaZamora, Spain
VuxenpsykiatrimottagningenLandskrona, Sweden
Lunds Universitet - Medicinska Fakulteten (Lund University Faculty of Medicine)Lund, Sweden
ClinSmart Sweden ABSolna, Sweden
HälsoklustretStockholm, Sweden
Cornwall Partnership NHS Foundation TrustBodmin, Cornwall, United Kingdom
Abraham Cowley Unit - Surrey and Borders Partnership NHS Foundation TrustChertsey, United Kingdom
St. Pancras Clinical ResearchChester, United Kingdom
Grounded Research Hub - Rotherham Doncaster & South Humber NHS Foundation TrustDoncaster, United Kingdom
Clinical Research Facility, Royal Devon and Exeter HospitalExeter, United Kingdom
Fulbourn Hospital - Cambridgeshire And Peterborough NHS Foundation TrustFulbourn, United Kingdom
St. Pancras Clinical ResearchLondon, United Kingdom
King's College London - Institute of Psychiatry, PsychologyLondon, United Kingdom
Clerkenwell HealthLondon, United Kingdom
Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust - Wolfson Research CentreNewcastle, United Kingdom
University Of Nottingham/Nottinghamshire Healthcare Trust, Institute Of Mental HealthNottingham, United Kingdom
The Warneford Hospital- NIHR Clinical Research FacilityOxford, United Kingdom
Sheffield Health and Social Care NHS Foundation TrustSheffield, United Kingdom
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.