Clinical trials: Psilocybin, completed
Anorexia Nervosa
Evaluation of Psilocybin in Anorexia Nervosa: Safety and Efficacy
The primary aim of this study is to assess the safety and tolerability of one 25 mg dose of psilocybin in participants with anorexia nervosa based on adverse events (AEs), changes in vital signs, electrocardiograms (ECGs) and…
- Trial name
- NCT04661514
- Testing
- Psilocybin
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- University of California, San Diego
Distress, Depression
Psilocybin-assisted Group Therapy for Demoralization in Long-term AIDS Survivors
The purpose of this study is to determine whether psilocybin-assisted group psychotherapy is a safe and feasible treatment for demoralization in long-term AIDS survivors (LTAS).
- Conditions
- Distress, Depression, Grief
- Trial name
- NCT02950467
- Testing
- Psilocybin, Modified brief Supportive Expressive Group Therapy
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Joshua Woolley
QTc Interval, Pharmacokinetics
An Evaluation of Psilocybin's Effect on Cardiac Repolarization and the Effect of Food on Psilocybin's Pharmacokinetics
This study is comprised of two parts. The purpose of the first part of this study is to evaluate the effects of a supratherapeutic dose of psilocybin on cardiac repolarization.
- Trial name
- NCT05478278
- Testing
- Psilocybin, Moxifloxacin, Micro-Crystalline Cellulose
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Usona Institute
Cancer
Psilocybin Cancer Anxiety Study
The primary objective of this double-blind, placebo-controlled pilot study is to assess the efficacy of psilocybin administration (4-phosphoryloxy-N,N-dimethyltryptamine), a serotonergic psychoactive agent, on psychosocial…
- Trial name
- NCT00957359
- Testing
- Psilocybin, Niacin
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- NYU Langone Health
Fibromyalgia
Open-label Study to Assess the Safety and Efficacy of Psilocybin With Psychotherapy in Adult Participants With Fibromyalgia
The pressing need for effective fibromyalgia (FM) treatments, the known safety of psilocybin therapy, and the mechanistic plausibility for potential benefit provide a backdrop for investigating psilocybin therapy as a treatment…
- Trial name
- NCT05128162
- Testing
- Psilocybin, Psychotherapy
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- Kevin Boehnke
Depressive Disorder, Treatment-Resistant
Psilocybin-assisted Interpersonal Therapy for Depression
This is a single-arm, open-label interventional study of psilocybin-assisted interpersonal therapy for treatment resistant depression.
- Trial name
- NCT05581797
- Testing
- Psilocybin-assisted psychotherapy
- Where
- New Zealand
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of Otago
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
Depression
Low-Income Group Psilocybin Assisted Therapy for Depression
Due to psilocybin-assisted therapy's success in previous research, growing cultural awareness and use of psilocybin and other psychedelics, the Oregon Psilocybin Services Act passed by ballot measure in 2020 and began offering…
- Trial name
- LIGPATD (NCT06372197)
- Testing
- Psilocybin
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Matthew Hicks
Healthy
Does Serotonin System Stimulation Increase Pro-social Behavior? - A Comparative Pharmacological Neuroscientific Study in Healthy Humans
The study looks into whether administering psychedelic substances that stimulate the serotonin system influences pro-social behavior when compared to administering substances that stimulate the dopamine system in healthy…
- Trial name
- NCT06081179
- Testing
- Psilocybin, 3,4 Methylenedioxymethamphetamine, Methylphenidate
- Where
- Switzerland
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- University of Zurich
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
Depressive Disorder, Depressive Disorder, Treatment-Resistant
Effect of Psilocybin on the Positive Valence System in Treatment-resistant Depression
The study hypothesis is that the antidepressant effect of psilocybin is mediated by a normalization of the functioning of the positive valence system.
- Conditions
- Depressive Disorder, Depressive Disorder, Treatment-Resistant, Hallucinogens, Reinforcement, Psychology
- Trial name
- PSILODAC (NCT06650800)
- Testing
- Psilocybin, MRI
- Where
- France
- Volunteers
- 10 people
- Sponsor
- Centre Hospitalier Universitaire de Nīmes
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
Long Term Follow Up Study to COMP 001 And COMP 003 Trials (P-TRD LTFU)
The primary objective of this study is to assess the long-term efficacy of psilocybin with respect to use of new antidepressant treatment, hospitalisations for depression, suicidality, and depressive severity rated using the…
- Trial name
- NCT04519957
- Where
- 8 sites in United States, Czechia and 3 more
- Volunteers
- 66 people
- Sponsor
- COMPASS Pathways
Burnout, Caregiver, Burnout, Professional
Frontline Clinician Psilocybin Study
This study aims to investigate the effects of a single dose of psilocybin, delivered in the contextof pre- and post-dose psychotherapy, on symptoms of depression and burnout suffered by healthcare clinicians as a result of…
- Conditions
- Burnout, Caregiver, Burnout, Professional, COVID-19, Depression
- Trial name
- NCT05163496
- Testing
- Psilocybin (Usona Institute)
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- University of Washington
Depressive Disorder, Major
Clinical, Neurocognitive, and Emotional Effects of Psilocybin in Depressed Patients - Proof of Concept
Effects of serotonin 2A/1A receptor stimulation by psilocybin on mood and emotion processing in major depressive disorder: a randomized double-blind placebo-controlled study
- Trial name
- NCT03715127
- Testing
- Psilocybine oral capsule
- Where
- Switzerland
- Volunteers
- 55 people
- Sponsor
- University of Zurich
Anorexia Nervosa
Efficacy and Safety of COMP360 Psilocybin Therapy in Anorexia Nervosa: a Proof-of-concept Study
Efficacy and Safety of COMP360 Psilocybin therapy in Anorexia Nervosa: a Proof-of-concept Study
- Trial name
- NCT05481736
- Testing
- Psilocybin
- Where
- 5 sites in United States, Ireland and 1 more
- Volunteers
- 32 people
- Sponsor
- COMPASS Pathways
Psychogenic Nonepileptic Seizures, Psilocybin
Evaluation of the Effect of a Single Dose of Psilocybin on Neural Correlates of Cognitive Control in Patients With Psychogenic Nonepileptic Seizures
Psychogenic non-epileptic seizures (PNES) are functional paroxysmal motor disorders that may be clinically suggestive of epilepsy but are not associated with the electroencephysiological and electroencephalographic changes of…
- Trial name
- CRIPSY (NCT06647056)
- Testing
- Psilocybin, MRI
- Where
- France
- Volunteers
- 4 people
- Sponsor
- Centre Hospitalier Universitaire de Nīmes
Healthy
Comparative Acute Effects of LSD, Psilocybin and Mescaline
LSD, psilocybin and mescaline are widely used for recreational and ethnomedical purposes. All three substances are thought to induce prototypical psychedelic effects primarily via stimulation of the 5-HT2A receptor.
- Trial name
- LPM (NCT04227756)
- Testing
- LSD, Psilocybin, Mescaline
- Where
- Switzerland
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Healthy, Psychedelic Experiences
Consciousness, Psilocybin, and Well-Being
This study is being done to identify a dosing strategy that will allow IV psilocybin to be administered to sleeping participants without awakening them.
- Conditions
- Healthy, Psychedelic Experiences, Sleep
- Trial name
- CoPE Pilot (NCT05592379)
- Testing
- Psilocybin, Clonidine, Saline
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison