Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jul 23, 2026, 11:49 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–42 of 18 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers

Fear Extinction and Mechanisms of Change in Obsessive Compulsive Disorder

NCT02467374
Conditions
Obsessive Compulsive Disorder
Interventions
Behavior Therapy
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
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
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
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
Adolescence
Interventions
Moderate Intensity Exercise
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
14 Years to 17 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
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
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
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

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
Completed Phase 1 Interventional Accepts healthy volunteers

Impact of Estrogen on Fear Extinction R61

NCT02673606
Conditions
Fear, Fear; Examination, Phobic
Interventions
Estradiol 2Mg Tablet, Estradiol 4Mg Tablet, Placebo Pills
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
New York, New York
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
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
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
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
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
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
Terminated Phase 2 Interventional Accepts healthy volunteers

Enhancing Exposure Therapy for Post-traumatic Stress Disorder

NCT01574118
Conditions
Chronic Posttraumatic Stress Disorder
Interventions
Revisiting the Trauma memories, Processing the trauma memories, Psychoeducation, Trauma Memory Retrieval Trial, Exposure to video clips related to the patient's trauma, Breathing retraining, Exposure Homework, Compound extinction
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
1
States / cities
Austin, Texas
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Pilot Study of Pharmaceutical and Behavioral Interventions to Treat Anxiety Disorders

NCT01631682
Conditions
Posttraumatic Stress Disorder, Anxiety Disorder
Interventions
Propranolol, Reactivation, Mifepristone, Intranasal oxytocin
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
186 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Charlestown, Massachusetts