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Psilocybin and psilocin research index

Find psilocybin and psilocin papers, preprints, trials, and citations with clear source context.

Searches titles, authors, journals, identifiers, indexed metadata, and derived research topics. Use Filters to narrow by source, status, substance, study type, or date.

Database 4,959 indexed records Auto-updated on Aug 17, 2026 01:21 UTC

Executed search Sources: ClinicalTrials.gov 300 matching records are displayed.

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Database

4,740 Psilocybin Records 673 Psilocin Records 1,461 Journals 66 Research Topics

Published 4,221 Peer-reviewed / formal records Preprints 435 Marked as not peer reviewed Clinical trials 300 ClinicalTrials.gov records R toolkit visNetwork Bibliometrics, live SQLite analysis, HTML graph, and PDF export

Top journals 1,461 indexed journals

Journal	Records
Journal of psychopharmacology (Oxford, England)	147
Journal of psychoactive drugs	97
Frontiers in psychiatry	90
Psychopharmacology	85
Neuroscience Applied	57
Journal of Psychedelic Studies	48
Psychedelic medicine (New Rochelle, N.Y.)	39
Scientific reports	37
bioRxiv : the preprint server for biology	33
Biological Psychiatry	32

Research topics 66 topic filters

Depression 1,736 Receptor Pharmacology 1,282 Safety 1,201 Mechanism of Action 1,070 Review Article 1,070 Clinical Trial 975 Anxiety 882 Addiction 823 Pharmacology 753 General 537 Aging 524 Animal Study 524 Observational Study 515 Brain Imaging 481 Treatment-Resistant Depression 417 Emotional Processing 409 PTSD 400 Neuroplasticity 399

Source coverage 8 active sources

Source	Count	Share	Status
PubMed	2,567	51.8%	Active
OpenAlex	1,154	23.3%	Active
Crossref	404	8.1%	Active
ClinicalTrials.gov	300	6%	Active
Europe PMC	187	3.8%	Active
PsyArXiv	187	3.8%	Active
bioRxiv	122	2.5%	Active

Publication timeline 3,856 dated records

3,856 records since 2020

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Substances Psilocybin 4740 Psilocin 673

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Executed search Sources: ClinicalTrials.gov 300 matching records are displayed.

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300 matching records for Sources: ClinicalTrials.gov.

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A Phase 2, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of up to Two Doses of Psilocybin for the Treatment of Major Depressive Disorder in Adults With Cancer

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ClinicalTrials.gov 2026-05-06 Sunstone Medical

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Clinical Trial Observational Study Clinical Trial More

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Induction Protocol for Psilocybin-Assisted Therapy in Treatment-Resistant Depression (TRD): A Pilot Study

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ClinicalTrials.gov 2026-05-06 University of North Carolina, Chapel Hill

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Clinical Trial Observational Study Clinical Trial More

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A Phase 2 Randomized Study Examining the Safety, Feasibility, and Effectiveness of Masking Psilocybin Therapy With General Anesthesia in Major Depressive Disorder

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ClinicalTrials.gov 2026-05-06 Stanford University

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Anxiety Brain Imaging Clinical Trial More

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An Exploratory Pilot Study of Palliadelic Treatment to Reduce Psychological Distress in People With Pancreatobiliary and Other Advanced Gastrointestinal Cancers

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ClinicalTrials.gov 2026-05-06 University of Nebraska

ClinicalTrials.gov CLINICAL TRIAL psilocybin End-of-Life Distress Wellbeing Observational Study Observational Study More

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A One-Year Observational Follow-up Study of Participants With Major Depressive Disorder Following a Randomized, Double-Blind Single-Dose of Psilocybin or Niacin-Control

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ClinicalTrials.gov 2026-05-04 Usona Institute

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Clinical Trial Observational Study Clinical Trial More

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A Phase 2 Sequential Dose-Finding Study of Preparation for Group Retreat Psilocybin Therapy for Healthcare Clinicians With Loss of Meaning in Their Work and Symptoms of Depression

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ClinicalTrials.gov 2026-05-04 University of Washington

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Anxiety Clinical Trial Clinical Trial More

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Group Psilocybin-assisted Cognitive Behavioral Therapy for Major Depressive Disorder

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ClinicalTrials.gov 2026-05-04 University of California, Los Angeles

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Other More

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Psilocybin-Assisted Therapy for Treatment-Resistant Depression in Bipolar II Disorder: A Randomized Controlled Trial

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ClinicalTrials.gov 2026-05-01 Lakshmi N Yatham

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Wellbeing Randomized Controlled Trial Randomized Controlled Trial More

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Lysergic Acid Diethylamide (LSD) in Palliative Care: a Randomised, Double-blind, Active-placebo Controlled Phase II Study (LPC-Study)

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ClinicalTrials.gov 2026-04-29 University Hospital, Basel, Switzerland

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Anxiety End-of-Life Distress Clinical Trial More

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A Double-blind, Randomized Trial Examining the Preliminary Efficacy of Psilocybin Therapy for People With Chronic Low Back Pain

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ClinicalTrials.gov 2026-04-29 Joshua Woolley, MD, PhD

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Chronic Pain Emotional Processing Clinical Trial More

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Psilocybin-Enhanced Psychotherapy for Methamphetamine Use Disorder

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ClinicalTrials.gov 2026-04-22 Portland VA Research Foundation, Inc

ClinicalTrials.gov CLINICAL TRIAL psilocybin Clinical Trial Safety Clinical Trial More

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A Randomized, Double-Blind Study of Single-Dose Psilocybin for Major Depressive Disorder (MDD)

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ClinicalTrials.gov 2026-04-22 Usona Institute

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Healthy Volunteers Safety Clinical Trial More

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Toward Patient-Tailored Care for Treatment-Resistant Depression: A Pilot Patient-Preference Clinical Trial of Music and Mindfulness in Psilocybin-Assisted Psychotherapy

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ClinicalTrials.gov 2026-04-22 Kyle Greenway

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Wellbeing Clinical Trial Clinical Trial More

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Study of Psilocybin Assisted Psychotherapy to Address Fear of Recurrence in Patients Diagnosed With Early-stage Breast Cancer and Ovarian Cancer in Remission

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ClinicalTrials.gov 2026-04-21 University of Colorado, Denver

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Anxiety Clinical Trial Clinical Trial More

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CAPSI - Cancer Related Major Depression Treated With a Single Dose of Psilocybin: A Multicenter Randomized Placebo Controlled Double Blind Clinical Trial

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ClinicalTrials.gov 2026-04-13 Section for Affective Disorders; Northern Stockholm Psychiatry

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Clinical Trial Clinical Trial More

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Safety Profile of 25 mg Psilocybin in Individuals With Cocaine Use Disorder

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ClinicalTrials.gov 2026-04-07 University of California, Los Angeles

ClinicalTrials.gov CLINICAL TRIAL psilocybin Addiction Brain Imaging Aging Other More

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Acute Analgesic Effects of DMT on Experimentally Induced Acute Nociceptive Pain, Hyperalgesia and Allodynia in Healthy Participants

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ClinicalTrials.gov 2026-04-02 University Hospital, Basel, Switzerland

ClinicalTrials.gov CLINICAL TRIAL psilocybin Chronic Pain Headache / Migraine Clinical Trial Clinical Trial More

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Effects of Psilocybin in Obsessive Compulsive Disorder

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ClinicalTrials.gov 2026-04-02 Johns Hopkins University

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Anxiety OCD Other More

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Engaging Mood Brain Circuits With Psilocybin: a Randomized Neuroimaging Trial in Depression

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ClinicalTrials.gov 2026-03-30 Sunnybrook Health Sciences Centre

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Brain Imaging Aging Clinical Trial More

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Psilocybin Assisted Psychotherapy for Treatment Resistant Depression and Co-occurring Substance Use Disorder

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ClinicalTrials.gov 2026-03-30 Indiana University

ClinicalTrials.gov CLINICAL TRIAL psilocybin Depression Addiction Brain Imaging Clinical Trial More