Clinical trials: Psilocybin, completed
Psilocybin, Hallucinogens
Pilot Study: Effects of Psilocybin on Behavior, Psychology and Brain Function in Long-term Meditators
This is a pilot study to finalize methods for a larger study being planned for the future. This research is being done to characterize performance of tasks, brain functioning, and the effects of psilocybin in individuals with a…
- Conditions
- Psilocybin, Hallucinogens, Pharmacologic Actions, Central Nervous System Agents
- Trial name
- NCT01988311
- Testing
- psilocybin
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Migraine Headache
Repeat Dosing of Psilocybin in Migraine Headache
In seeking to understand the capacity for psilocybin to reduce migraine headache burden, this study will investigate single and repeated dosing of psilocybin up to two doses.
- Trial name
- NCT04218539
- Testing
- Psilocybin
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- Yale University
Anorexia Nervosa
Psilocybin as a Treatment for Anorexia Nervosa: A Pilot Study
The primary aim of this study is to assess the acceptability and efficacy of treating anorexia nervosa with psilocybin. The secondary aim of this study is to use Magnetic Resonance Imaging (MRI) and Electroencephalography (EEG)…
- Trial name
- NCT04505189
- Testing
- Psilocybin
- Where
- United Kingdom
- Volunteers
- 21 people
- Sponsor
- Imperial College London
Major Depressive Disorder
A Study of a Psilocybin Analog (CYB003) in Healthy Participants With and Without Major Depressive Disorder
The purpose of this study is to determine the safety and tolerability of ascending oral doses of CYB003 in healthy participants with and without major depressive disorder (MDD).
- Trial name
- NCT05385783
- Testing
- CYB003, Psychotherapy, Psychological Support
- Where
- 3 sites in United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Cybin IRL Limited
Hematopoietic and Lymphatic System Neoplasm, Metastatic Malignant Solid Neoplasm
A Second Psilocybin Group Therapy for the Treatment of Cancer-Related Anxiety in Partial Responders With Metastatic Cancer
This phase I trial tests the safety and side effects of a second episode of psilocybin-assisted group therapy and how well it works in treating anxiety and distress in patients with cancer that has spread from where it first…
- Trial name
- NCT06644170
- Testing
- Behavioral Intervention, Group Therapy, Psilocybin
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- University of Washington
Pancreas Cancer, Biliary Tract Cancer
Palliadelic Treatment to Reduce Psychological Distress in Persons With Advanced Gastrointestinal Cancers
The primary objective of this study is to evaluate the ability to recruit and retain participants, and to successfully conduct a psilocybin-based protocol, for a study of the treatment of distress related to stage IV or…
- Conditions
- Pancreas Cancer, Biliary Tract Cancer, Psychological Distress, Gastrointestinal Cancer
- Trial name
- NCT05220046
- Testing
- Psilocybin
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- University of Nebraska
Major Depressive Disorder, Anhedonia
Psilocybin for Treatment-Resistant Depression
The purpose of this study is to evaluate the efficacy of psilocybin on the symptom of anhedonia in individuals with treatment-resistant major depressive disorder.
- Conditions
- Major Depressive Disorder, Anhedonia, Treatment Resistant Depression
- Trial name
- NCT06230757
- Testing
- Psilocybin 25mg
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of Colorado, Denver
Treatment-resistant Depression
Does Psilocybin Require Psychedelic Effects to Treat Depression?
Psilocybin, the chemical component of "magic mushrooms", has been administered with psychotherapy in several randomized clinical trials (RCTs) showing large and sustained antidepressant effects.
- Trial name
- PSI-RIS (NCT05710237)
- Testing
- Psilocybin 25 mg, Risperidone 1 MG
- Where
- Canada
- Volunteers
- 41 people
- Sponsor
- Centre for Addiction and Mental Health
Healthy
Effects of Hallucinogens and Other Drugs on Mood and Performance
This non-treatment study will investigate the effects on mood and performance caused by hallucinogens and other psychoactive compounds.
- Trial name
- NCT02033707
- Testing
- Hallucinogens and psychoactive substances
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Alcohol Use Disorder
Clinical and Mechanistic Effects of Psilocybin in Alcohol Addicted Patients
Effects of serotonin 2A/1A receptor stimulation by psilocybin on alcohol addicted patients: a randomized double-blind placebo-controlled study
- Trial name
- NCT04141501
- Testing
- Psilocybin
- Where
- Switzerland
- Volunteers
- 37 people
- Sponsor
- University of Zurich
Cognitive Change, Creativity
Naturalistic Study of Microdosing With Psilocybin
This study seeks to understand the neural, cognitive and behavioral effects of low doses of psilocybin administered in the form of dried mushroom material (0.5 g of Psilocybe cubensis) consumed in natural settings following a…
- Conditions
- Cognitive Change, Creativity, Mood Change, Sleep
- Trial name
- NATMICRO (NCT05160220)
- Testing
- Psilocybin
- Where
- Argentina
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- National Council of Scientific and Technical Research, Argentina
Psychedelic Experiences, Amnesia
Pilot RECAP Study in Healthy Volunteers
The primary objective of the RECAP Study Program is to investigate the role played by conscious experience in the antidepressant effects of the psychedelic agent psilocybin.
- Trial name
- RECAP (NCT04842045)
- Testing
- Psilocybin and Midazolam
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Treatment Resistant Depression
Psilocybin for Treatment-Resistant Depression
The purpose of this study is to see if psilocybin, an investigational drug, is safe and well tolerated. Researchers also want to know if psilocybin can improve symptoms of depression.
- Trial name
- NCT05029466
- Testing
- Psilocybin
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- Brain and Cognition Discovery Foundation
Hematopoietic and Lymphatic System Neoplasm, Metastatic Malignant Solid Neoplasm
Psilocybin-Assisted Therapy for the Treatment of Cancer-Related Anxiety in Patients With Metastatic Cancer
This phase I/II trial tests the safety and side effects of psilocybin in combination with therapy for the treatment of patients with metastatic cancer and symptoms of anxiety and/or depression.
- Trial name
- NCT05847686
- Testing
- Counseling, Psilocybin, Questionnaire Administration
- Where
- United States
- Volunteers
- 55 people
- Sponsor
- University of Washington
Healthy
Persisting Effects of Psilocybin
The proposed pilot study will assess whether ingestion of a classic hallucinogen (psilocybin) leads to changes in emotion processing and neural circuitry that may predict repeated self-administration of this drug and underlie an…
- Trial name
- NCT02971605
- Testing
- Psilocybin
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Functional Neurological Disorder
Psilocybin in Functional Neurological Disorder
The goal of this study is to learn about the brain network response in people who have functional neurological disorder who are administered with a single dose of the psychedelic psilocybin with therapeutic support.
- Trial name
- PsiFUND (NCT05723276)
- Testing
- Psilocybin
- Where
- United Kingdom
- Volunteers
- 20 people
- Sponsor
- King's College London
Autism Spectrum Disorder
Psilocybin in Adults With and Without Autism Spectrum Disorder
This study will test the hypothesis that brain systems are differentially regulated by serotonin in individuals with and without Autism Spectrum Disorder.
- Trial name
- PSILAUT (NCT05651126)
- Testing
- Psilocybin 5 mg, Psilocybin 2 mg
- Where
- United Kingdom
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- King's College London
Treatment Resistant Depression
Efficacy, Safety, and Tolerability of COMP360 in Participants With TRD
Efficacy, Safety, and Tolerability of a single administration of COMP360 in participants with treatment-resistant depression (TRD)
- Trial name
- NCT05624268
- Testing
- Psilocybin
- Where
- 40 sites in United States
- Volunteers
- 258 people
- Sponsor
- COMPASS Pathways
Cluster Headache
Psilocybin for the Treatment of Cluster Headache
The purpose of this study is to investigate the effects of an oral psilocybin pulse regimen in cluster headache. Subjects will be randomized to receive oral placebo, low dose psilocybin, or high dose psilocybin in three…
- Trial name
- NCT02981173
- Testing
- 0.143 mg/kg Psilocybin or 10 mg Psilocybin, 0.0143 mg/kg Psilocybin or 1 mg Psilocybin
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Yale University
Healthy
Effects of Psilocybin-facilitated Experience on the Psychology and Effectiveness of Professional Leaders in Religion
The current protocol is a pilot study of the effects and possible utility of psilocybin-facilitated experiences for professional religious leaders.
- Trial name
- NCT02243813
- Testing
- Psilocybin
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University