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ClinicalTrials.gov public records Last synced Sep 6, 2026, 6:43 PM EDT

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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of Methylphenidate (Ritalin®) on the Neural Basis of Anxiety

NCT02021214
Conditions
PTSD
Interventions
Methylphenidate, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
San Diego, California
Conditions
Obsessive-Compulsive Disorder
Interventions
Nabilone, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Obsessive-Compulsive Disorder
Interventions
Active tDCS, Sham tDCS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Social Anxiety
Interventions
Coordinated Anxiety Learning and Management (CALM)
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cannabinoid Control of Fear Extinction Neural Circuits in Post-traumatic Stress Disorder

NCT02069366
Conditions
Post-Traumatic Stress Disorder
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
Wayne State University
Other
Eligibility
21 Years to 45 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Generalized Anxiety Disorder, Social Anxiety Disorder, Panic Disorder
Interventions
Exercise, Sitting
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 60 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
PTSD
Interventions
Exercise
Behavioral
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
18 Years to 64 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Tuscaloosa, Alabama
Conditions
PostTraumatic Stress Disorder
Interventions
Placebo Oral Capsule, Dronabinol Cap 5 milligrams (MG), Dronabinol Cap 10 milligrams (MG)
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 50 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Detroit, Michigan
Recruiting Phase 1 Interventional Accepts healthy volunteers

Inflammatory Challenge and Fear

NCT06630884
Conditions
Posttraumatic Stress Disorder (PTSD)
Interventions
Typhoid VI Polysaccharide Vaccine Injectable Solution, Saline Placebo (0.5mL injection)
Biological · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 60 Years
Enrollment
288 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Francisco, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Fear and Avoidance in PTSD Patients

NCT04770584
Conditions
Post Traumatic Stress Disorder
Interventions
Fear Conditioning, Avoidance conditioning, Pavlovian fear extinction learning, Willingness to pay to avoid shock
Behavioral · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Houston, Texas
Conditions
Posttraumatic Stress Disorder
Interventions
Dexamethasone, Placebo (sugar pill)
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Dallas, Texas
Completed Not applicable Interventional Results available

Treating Phobia With Multivoxel Neuro-reinforcement

NCT03655262
Conditions
Phobia
Interventions
Unconscious Neuro-reinforcement
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Enhancing Exposure Therapy for Snake and Spider Phobias

NCT02160470
Conditions
Specific Phobia
Interventions
Exposure Therapy with Retrieval, Exposure Therapy with Compound Extinction, Exposure Therapy with Retrieval and Compound Extinction, Therapist-guided Exposure Therapy
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
Austin, Texas
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Veteran Stress and Learning Study

NCT00674570
Conditions
Stress Disorders, Posttraumatic
Interventions
Hydrocortisone, D-Cycloserine, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
San Francisco, California
Recruiting Not applicable Interventional

Amygdala-Prefrontal in Fear Extinction

NCT07800455
Conditions
Fear Extinction
Interventions
Direct intracranial electrical stimulation, Fear conditioning
Other · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
St Louis, Missouri
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Social Support and Enhanced Fear Extinction

NCT04565041
Conditions
Fear, Anxiety
Interventions
Social Support
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Posttraumatic Stress Disorder
Interventions
Placebo capsule, Dronabinol 7.5 milligram oral capsule
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 60 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Social Anxiety Disorder
Interventions
Fear extinction, Cannabidiol Cap/Tab, Placebo
Behavioral · Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Hartford, Connecticut
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Social Support and Reduced Fear Acquisition

NCT04564976
Conditions
Fear, Anxiety
Interventions
Social support image
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Conditions
PTSD
Interventions
Prolonged Exposure Therapy for Posttraumatic Stress Disorder
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Insomnia, PTSD
Interventions
Suvorexant, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
40,120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
2
States / cities
San Francisco, California • Charleston, South Carolina
Completed No phase listed Observational Accepts healthy volunteers

Epi-Genetic Modulators of Fear Extinction in Alcohol Dependence

NCT02438969
Conditions
Fear, Stress, Alcohol Dependence
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 65 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Results available

A Controlled Trial of Losartan in Posttraumatic Stress Disorder

NCT02709018
Conditions
Posttraumatic Stress Disorder
Interventions
losartan, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
6
States / cities
La Jolla, California • Washington D.C., District of Columbia • Bethesda, Maryland + 3 more
Conditions
Phobias, Claustrophobia, Social Phobia
Interventions
Extinction Training, Low-Level Laser Therapy, Sham Low-Level Laser Therapy
Behavioral · Device
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Austin, Texas