Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 10:27 AM EDT

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Showing 1–24 of 68 matching trials from the live ClinicalTrials.gov search.
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Hallucinogens and Other Drugs on Mood and Performance

NCT02033707
Conditions
Healthy
Interventions
Hallucinogens and psychoactive substances
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Posttraumatic Stress Disorder
Interventions
Comparator Dose (40mg) MDMA HCl, Active Dose 2 (100 mg) MDMA HCl, Active Dose 1 (125 mg) MDMA HCl, Psychotherapy
Drug · Behavioral
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
Posttraumatic Stress Disorder
Interventions
Midomafetamine, Therapy
Drug · Behavioral
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Mt. Pleasant, South Carolina
Completed No phase listed Observational Accepts healthy volunteers

Stanford Regulating Circuits of the Brain Study - MDMA

NCT04060108
Conditions
Healthy
Interventions
MDMA
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Conditions
PTSD
Interventions
Midomafetamine HCl
Drug
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
11
States / cities
Los Angeles, California • San Francisco, California • Boulder, Colorado + 6 more
Conditions
Anxiety
Interventions
fMRI
Other
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Berkeley, California
Enrolling by invitation Phase 2 Interventional

MDMA Plus Exposure Therapy for PTSD

NCT05746572
Conditions
PTSD
Interventions
MDMA
Drug
Lead sponsor
Emory University
Other
Eligibility
21 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of MDMA on Startle Response

NCT03181763
Conditions
Startle Response
Interventions
Placebo, Midomafetamine, Acoustic startle
Drug · Behavioral
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
21 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Early Phase 1 Interventional Accepts healthy volunteers

Prosocial Effects of MDMA

NCT05948683
Conditions
MDMA ('Ecstasy'), Social Interaction
Interventions
MDMA, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Post Traumatic Stress Disorder, Alcohol Use Disorder
Interventions
Full Dose MDMA, MDMA-Assisted psychotherapy, Active Placebo Dose MDMA
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
2
States / cities
West Haven, Connecticut • Providence, Rhode Island
Completed Not applicable Interventional Accepts healthy volunteers

Role of Serotonin in Acute and Subacute MDMA Effects

NCT00838305
Conditions
MDMA Mechanism of Action
Interventions
MDMA and citalopram, Placebo
Drug
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
San Francisco, California
Conditions
Post Traumatic Stress Disorder
Interventions
MDMA
Drug
Lead sponsor
Sunstone Medical
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rockville, Maryland
Conditions
Alcohol Use Disorder, Post Traumatic Stress Disorder
Interventions
MDMA
Drug
Lead sponsor
Carolina L Haass-Koffler
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Pharmacology of MDA [3,4-methylenedioxyamphetamine]

NCT00823407
Conditions
Healthy
Interventions
MDA, Placebo
Drug
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
San Francisco, California
Conditions
Stimulant Use, MDMA ('Ecstasy'), Social Behavior, Motivation
Interventions
MDMA, Methamphetamine, placebo oral tablet
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Study of Midomafetamine in Healthy Adults

NCT07584720
Conditions
Healthy Volunteers
Interventions
Midomafetamine HCl
Drug
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
Stress Disorders, Post-Traumatic, Opioid Use Disorder
Interventions
MDMA Assisted Therapy
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Albuquerque, New Mexico
Completed Early Phase 1 Interventional Accepts healthy volunteers

Drug Effects on Interpersonal Interaction

NCT05123716
Conditions
Interaction, Social
Interventions
MDMA, placebo oral tablet
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Posttraumatic Stress Disorder
Interventions
Therapy, Midomafetamine, Placebo
Behavioral · Drug
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Boulder, Colorado + 7 more
Conditions
Post-Traumatic Stress Disorder
Interventions
3,4 Methylenedioxymethamphetamine, Prolonged Exposure
Drug · Behavioral
Lead sponsor
Healing Breakthrough
Other
Eligibility
18 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Diego, California
Conditions
PTSD
Interventions
Midomafetamine, Manualized therapy
Drug · Behavioral
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
12
States / cities
North Hollywood, California • San Francisco, California • Boulder, Colorado + 7 more
Conditions
PTSD
Interventions
Not listed
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
San Francisco, California
Conditions
Post-Traumatic Stress Disorder, Adjustment Disorders
Interventions
MDMA
Drug
Lead sponsor
Nautilus Sanctuary
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Boulder, Colorado • New York, New York • Waynesville, North Carolina
Conditions
Autism Spectrum Disorder, ASD
Interventions
DT402 (R-enantiomer of 3,4-methylenedioxymethamphetamine (MDMA))
Drug
Lead sponsor
Definium Therapeutics US, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York