77 Recruiting Now

Psychedelic Clinical Trials

Find clinical trials studying psilocybin, MDMA, ketamine and other psychedelics. Many trials are actively recruiting participants who haven't found relief from conventional treatments.

Showing 148 of 267 trials
Active, Not Recruiting·Phase 3·LSD

A Phase 3 Trial of MM120 for Major Depressive Disorder (Emerge)

Definium Therapeutics US, Inc.

Major Depressive Disorder
Active, Not Recruiting·Phase 4·ketamine

Propofol-Enhanced Assessment of Ketamine for Chronic Pain and Depression

Stanford University

Chronic PainDepression
Active, Not Recruiting·Phase 2·ketamine

Single-dose Ketamine Treatment to Improve Depression in Mild Cognitive Impairment

Icahn School of Medicine at Mount Sinai

DepressionMild Cognitive Impairment
Active, Not Recruiting·Phase 2·psilocybin

Psilocybin for Treatment-Resistant Depression

University of Colorado, Denver

Major Depressive DisorderAnhedoniaTreatment Resistant Depression
Active, Not Recruiting·Phase 3·psilocybin

Efficacy, Safety, and Tolerability of Two Administrations of COMP360 in Participants With TRD

COMPASS Pathways

Treatment Resistant Depression
Active, Not Recruiting·Phase 2·psilocybin

A Phase II, Multicentre, Randomised, Double-blind, Controlled Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Efficacy of COMP360 in Participants With Recurrent Major Depressive Disorder

COMPASS Pathways

Major Depressive Disorder
Active, Not Recruiting·Phase 3·psilocybin

Efficacy, Safety, and Tolerability of COMP360 in Participants With TRD

COMPASS Pathways

Treatment Resistant Depression
Active, Not Recruiting·Phase 1·psilocybin

ELE-101 Safety & Tolerability Study in Healthy Participants and Patients With Depression

Eleusis Therapeutics

Healthy VolunteersMajor Depressive DisorderDepression
Active, Not Recruiting·Phase 4·ketamine

Ketamine-Assisted Mindfulness-Based Cognitive Therapy for Depression: A Pilot Study

Ohio State University

Major Depressive Disorder
Active, Not Recruiting·Phase 2·psilocybin

Psilocybin Treatment of Major Depressive Disorder With Co-occurring Alcohol Use Disorder

Johns Hopkins University

Major Depressive DisorderAlcohol Use Disorder
Active, Not Recruiting·Phase 1·DMT

Fixed Order, Open-Label, Dose-Escalation Study of DMT in Humans

Yale University

Major Depressive DisorderDepression
Active, Not Recruiting·Phase 2·psilocybin

An Open Label Study of the Safety and Efficacy of Psilocybin in Participants With Treatment-Resistant Depression (P-TRD)

Sheppard Pratt Health System

Treatment Resistant Depression
Active, Not Recruiting·Phase 3·ketamine

Opiate Suicide Study in Patients With Major Depression

Stanford University

Major Depressive Disorder
Active, Not Recruiting·Early Phase 1·ketamine

Ketamine Associated ACC GABA and Glutamate Change and Depression Remission:

Mayo Clinic

Major Depressive DisorderTreatment Resistant DepressionBipolar Depression
Active, Not Recruiting·Phase 1·psilocybin

Psilocybin - Induced Neuroplasticity in the Treatment of Major Depressive Disorder

Yale University

Major Depressive Disorder
Completed·N/A·psilocybin

Effect of Psilocybin on the Positive Valence System in Treatment-resistant Depression

Centre Hospitalier Universitaire de Nīmes

Depressive DisorderDepressive Disorder, Treatment-ResistantHallucinogens+1 more
Completed·Phase 2·ketamine

FMRI of Patients Receiving IV Ketamine for Treatment Resistant Bipolar Depression

Brian Barnett

Bipolar DepressionTreatment Resistant Bipolar Depression
Completed·N/A·psilocybin

Low-Income Group Psilocybin Assisted Therapy for Depression

Matthew Hicks

Depression
Completed·N/A·ketamine

(GluEsk) Glutamate and Esketamine

University of Oxford

Depression
Completed·N/A·ketamine

Phenomenological Explorations of the Esketamine-Induced Transient Dissociative State

Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer

Depressive Disorder
Completed·N/A·psilocybin

Psilocybin in Alcohol Use Disorder With Comorbid Depression

Centre Hospitalier Universitaire de Nīmes

Alcohol-Related DisordersDepressive DisorderAddiction
Completed·Phase 2·psilocybin

Psilocybin in Co-occuring Major Depressive Disorder and Borderline Personality Disorder

University of Chicago

Borderline Personality DisorderMajor Depressive Disorder
Completed·Phase 1·ketamine

KET-RO Plus RO DBT for Treatment Resistant Depression

Washington University School of Medicine

Treatment Resistant Depression
Completed·Phase 2·psilocybin

Microdosing Psychedelics to Improve Mood

Rotem Petranker

Major Depressive Disorder
Completed·Phase 1·psilocybin

Psilocybin-assisted CBT for Depression

University of California, Los Angeles

Major Depressive Disorder
Completed·N/A·ketamine

Observation of Safety and Tolerability Within 1 Year of the Use of R-ketamine / Placebo in Drug-resistant Depression

Medical University of Gdansk

Treatment-Resistant DepressionMajor Depressive Disorder
Completed·Phase 1·Other

IM and IV SPL026 Drug Product in Healthy Participants

Small Pharma Ltd

Major Depressive Disorder
Completed·Phase 1·psilocybin

PAPR: PAP + MBSR for Front-line Healthcare Provider COVID-19 Related Burnout

University of Utah

DepressionBurnout, Professional
Completed·Phase 1·DMT

SPL026 With or Without SSRIs in Participants With MDD

Small Pharma Ltd

Major Depressive Disorder
Completed·Phase 4·ketamine

Oral Aspirin + Ketamine as Adjunct to Oral Antidepressant Therapy for Depression

Maimonides Medical Center

Treatment Resistant DepressionMajor Depressive DisorderAnalgesia+10 more
Completed·Phase 2·ketamine

Maintenance Ketamine Infusions for Treatment-Resistant Bipolar Depression

Joshua Rosenblat

Bipolar DisorderBipolar DepressionBipolar I Disorder+1 more
Completed·Phase 1·psilocybin

A Study of a Psilocybin Analog (CYB003) in Healthy Participants With and Without Major Depressive Disorder

Cybin IRL Limited

Major Depressive Disorder
Completed·Phase 4·ketamine

Anhedonia, Development, and Emotions: Phenotyping and Therapeutics

Erika Forbes

DepressionAnhedonia
Completed·Phase 2·ketamine

Ketamine for Treatment-Resistant Bipolar Disorder

Joshua Rosenblat

Bipolar DisorderBipolar DepressionBipolar I Disorder+1 more
Completed·Phase 2·ketamine

Elucidating the Neurocircuitry of Irritability With High-Field Neuroimaging to Identify Novel Therapeutic Targets

University of Texas Southwestern Medical Center

Major Depressive DisorderHealthy Controls
Completed·Phase 2·psilocybin

The Safety and Efficacy of Psilocybin in Patients With Treatment-resistant Depression and Chronic Suicidal Ideation

Sheppard Pratt Health System

Treatment Resistant DepressionSuicidal Ideation
Completed·Phase 3·psilocybin

Frontline Clinician Psilocybin Study

University of Washington

Burnout, CaregiverBurnout, ProfessionalCOVID-19+3 more
Completed·Phase 2·ketamine

A Randomized, Placebo-Controlled, Double-Blind Study to Assess Safety and Efficacy of PCN-101 in TRD

Perception Neuroscience

Treatment Resistant Depression
Completed·Phase 2·ketamine

Ketamine for the Treatment of Depression in Parkinson's Disease

Yale University

Parkinson's DiseaseDepression
Completed·Phase 2·psilocybin

Psilocybin for Treatment-Resistant Depression

Brain and Cognition Discovery Foundation

Treatment Resistant Depression
Completed·N/A·ketamine

Intranasal Ketamine in Ultra-REsistant Depression (SURE-ECT Non Responders)

Centre for Addiction and Mental Health

Depression
Completed·N/A·ketamine

Synaptic Imaging and Network Activity in Treatment Resistant Depression

King's College London

Depressive DisorderDepressive Disorder, MajorDepressive Disorder, Treatment-Resistant+5 more
Completed·Phase 3·ketamine

Ketamine As an Adjunctive Therapy for Major Depression (2)

University of Dublin, Trinity College

Major Depressive EpisodeUnipolar DepressionBipolar Depression
Completed·Phase 2·psilocybin

Psilocybin Therapy for Depression and Anxiety in Parkinson's Disease

Joshua Woolley, MD, PhD

Parkinson DiseaseDepressionAnxiety
Completed·Phase 1·DMT

SPL026 (DMT Fumarate) in Healthy Subjects and MDD Patients

Small Pharma Ltd

Major Depressive Disorder
Completed·N/A·ketamine

Pharmacogenetics Associated With IV Ketamine

Brain and Cognition Discovery Foundation

Treatment Resistant Depression
Completed·Phase 1·ketamine

Phase 1 Evaluation of (2R,6R)-Hydroxynorketamine

National Institute of Mental Health (NIMH)

Major Depressive Disorder
Completed·Phase 2·psilocybin

The Effect of Psilocybin on MDD Symptom Severity and Synaptic Density

Section for Affective Disorders; Northern Stockholm Psychiatry

Major Depressive DisorderDepression
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How to Join a Clinical Trial

Clinical trials are research studies that test new treatments. Participating can give you access to cutting-edge therapies while contributing to medical science. Each trial has specific eligibility criteria based on the research goals.

1. Review

Read the trial details, eligibility criteria, and what participation involves.

2. Contact

Reach out to the study team using the contact information provided.

3. Screen

Complete the screening process to determine if you're eligible.