Find psilocybin clinical trials whose registered conditions connect cancer or life-threatening illness with anxiety, depression, distress, or palliative research contexts.
Registry status is not a guarantee of local availability, eligibility, safety, or efficacy. Confirm every participation decision in the authoritative ClinicalTrials.gov record.
20matching trials
7currently recruiting
27registry-listed sites
Registry facts checkedAug 31, 2026 01:27 UTC
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Status, geography, and study phase
The page groups trials through explicit cancer, oncology, neoplasm, palliative, and life-threatening-illness terms. Inspect each source record because populations and outcomes differ substantially.
Recruitment status
Completed8
Recruiting7
Active, not recruiting3
Not yet recruiting2
Leading countries
United States16
Canada2
Switzerland1
Australia1
Trial phases
Phase 214
Phase 15
Early Phase 12
Phase 31
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High vs. Low-Dose Group-Based Psilocybin-Assisted Therapy (PAT) With or Without Mindfulness-Based (MB) Preparation and Integration for Demoralization in Adults With Advanced Cancer (PAT-MIND): A Pilot Feasibility 2x2 Factorial Multisite Trial
University of Calgary
Conditions
Advanced Cancer · Demoralization · Existential Distress · Psychological Distress
Phase
Phase 2
Enrollment
60 estimated
Locations
Arthur Child Comprehensive Cancer Centre, Calgary, Alberta, Canada · Providence Care Hospital, Kingston, Ontario, Canada
An Exploratory Pilot Study of Palliadelic Treatment to Reduce Psychological Distress in People With Pancreatobiliary and Other Advanced Gastrointestinal Cancers
University of Nebraska
Conditions
Pancreas Cancer · Biliary Tract Cancer · Psychological Distress · Gastrointestinal Cancer
Phase
Phase 1
Enrollment
18 actual
Locations
University of Nebraska Medical Center, Omaha, Nebraska, United States
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
Sunstone Medical
Conditions
Cancer · Major Depressive Disorder
Phase
Phase 2
Enrollment
56 estimated
Locations
Sunstone Medical, PC, Rockville, Maryland, United States
Lysergic Acid Diethylamide (LSD) in Palliative Care: a Randomised, Double-blind, Active-placebo Controlled Phase II Study (LPC-Study)
University Hospital, Basel, Switzerland
Conditions
Palliative Care · Pain · Anxiety · Depression
Phase
Phase 2
Enrollment
60 estimated
Locations
University Hospital Basel, Division of Clinical Pharmacology and Toxicology, Basel, Switzerland · University Hospital Geneva, Palliative medicine department, Collonge-Bellerive, Switzerland · Spital Uster AG, Division of Internal Medicine, Uster, Switzerland · +1 more
Study of Psilocybin Assisted Psychotherapy to Address Fear of Recurrence in Patients Diagnosed With Early-stage Breast Cancer and Ovarian Cancer in Remission
University of Colorado, Denver
Conditions
Breast Cancer · Ovarian Cancer
Phase
Phase 1
Enrollment
20 estimated
Locations
Outpatient CTRC, Aurora, Colorado, United States · University of Colorado Cancer Center, Aurora, Colorado, United States
A Phase 2b Double-blind, Randomized, Low-dose Comparator-controlled Clinical Trial to Assess the Efficacy and Safety of NPX-5 in Psilocybin-assisted Psychotherapy for the Treatment of Adjustment Disorder Associated With Cancer.
Psyence Australia Pty Ltd
Conditions
Adjustment Disorder · Adjustment Disorder With Anxious Mood · Cancer · Cancer Cachexia
Phase
Phase 2
Enrollment
87 estimated
Locations
Mind Medicine Australia Clinic, Abbotsford, Victoria, Australia · Paratus Clinical Research Melbourne, Northcote, Victoria, Australia · Empax Centre, Leederville, Western Australia, Australia
A Phase 2b, Randomized, Double-blind, Placebo-controlled, Multi-center Study of the Effects of Psilocybin-assisted Psychotherapy on Psychiatric and Existential Distress in Advanced Cancer
NYU Langone Health
Conditions
Advanced Cancer
Phase
Phase 2 · Phase 3
Enrollment
200 estimated
Locations
University of Colorado Anschutz Medical campus (CU AMC), Aurora, Colorado, United States · NYU Langone Health, New York, New York, United States
The Safety, Feasibility, and Acceptability of Psilocybin Combined With Multidisciplinary Palliative Care in Demoralized Cancer Survivors With Chronic Pain (P-PC)
Emory University
Conditions
Hematopoietic and Lymphoid Cell Neoplasm · Malignant Solid Neoplasm
Phase
Phase 1
Enrollment
11 actual
Locations
Emory University/Winship Cancer Institute, Atlanta, Georgia, United States · Brain Health Center at Executive Park, Atlanta, Georgia, United States
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