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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Obsessive Compulsive Disorder (OCD) Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Psychotherapy for Anxiety in Children With Autism Spectrum Disorder

NCT02028247
View directory record Official record
Conditions
Autism Spectrum Disorders, Autism, Asperger's Syndrome, Pervasive Developmental Disability - Not Otherwise Specified, Obsessive-compulsive Disorder, Social Phobia, Generalized Anxiety Disorder, Specific Phobia, Separation Anxiety Disorder
Interventions
Personalized Cognitive-behavioral therapy, Standard Practice Cognitive-behavioral therapy, Treatment as Usual
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
7 Years to 13 Years
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Nov 14, 2021 · Synced Jul 21, 2026, 6:57 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Neural Mechanisms of Decision Making in Hoarding Disorder

NCT03487224
View directory record Official record
Conditions
Hoarding Disorder
Interventions
MRI with fMRI frequency
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Jul 21, 2026, 6:57 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Measuring Automated Behavioral Observations & Vocal Expressions (ABOVE)

NCT03459456
View directory record Official record
Conditions
OCD, Obsessive-Compulsive Disorder
Interventions
Provocation OC task (Provoc), Trier Social Stress Test (TSST), Exposure provocation task
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
21 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
3
States / cities
Pittsburgh, Pennsylvania • Providence, Rhode Island • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2025 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Cannabinoid Medication for Adults With OCD

NCT02911324
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Nabilone, Exposure and Response Prevention Therapy
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 5, 2020 · Synced Jul 21, 2026, 6:57 PM EDT
Active, not recruiting Early Phase 1 Interventional

Effects of Psilocybin in Obsessive Compulsive Disorder

NCT05546658
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional

Habit Reversal Training for Children and Adolescents With Trichotillomania

NCT01445444
View directory record Official record
Conditions
Trichotillomania
Interventions
Habit Reversal Training
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
7 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Mar 9, 2016 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional

Methods for Managing Intrusive Thoughts

NCT03416504
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Gradual Exposure (EXP-G), Variable Exposure (EXP-V)
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Phase 2 Interventional Results available

Extending Ketamine's Effects in OCD With Exposure and Response Prevention (EX/RP)

NCT02062658
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Ketamine, Exposure and Response Prevention
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 28, 2016 · Synced Jul 21, 2026, 6:57 PM EDT
Completed No phase listed Observational

Antidepressant Safety in Kids Study

NCT00395213
View directory record Official record
Conditions
Anxiety Disorders, Depressive Disorders, Eating Disorders, Obsessive Compulsive Disorder
Interventions
Selective serotonin reuptake inhibitor (SSRI) and serotonin-norepinephrine reuptake inhibitor (SNRI) medications
Drug
Lead sponsor
Duke University
Other
Eligibility
7 Years to 17 Years
Enrollment
569 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 16, 2015 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Phase 2 Interventional Results available

Antibiotic Treatment Trial for the PANDAS/PANS Phenotype

NCT01617083
View directory record Official record
Conditions
PANS, PANDAS, Obsessive Compulsive Disorder (OCD)
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of South Florida
Other
Eligibility
4 Years to 14 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Jul 21, 2026, 6:57 PM EDT
Recruiting Phase 2 Interventional

MDMA-Assisted CBT for OCD (MDMA-CBT4OCD Study)

NCT05783817
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
3,4-Methyl enedioxy methamphetamine, Methamphetamine, Cognitive Behavioral Therapy (CBT)
Drug · Behavioral
Lead sponsor
Carolyn Rodriguez
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional Results available

Effectiveness and Neuropsychological Predictors of Guided Self-Help for Obsessive-Compulsive Disorder (OCD)

NCT01659125
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
"OCFighter"
Behavioral
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 69 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 6, 2016 · Synced Jul 21, 2026, 6:57 PM EDT
Terminated Phase 2 Interventional

Efficacy and Safety Study of Low-Dose Ondansetron For Adjunctive Therapy In Adult Patients With Obsessive-Compulsive Disorder

NCT01275248
View directory record Official record
Conditions
Obsessive-compulsive Disorder
Interventions
Ondansetron, Placebo
Drug
Lead sponsor
Transcept Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
22
States / cities
Beverly Hills, California • Imperial, California • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2013 · Synced Jul 21, 2026, 6:57 PM EDT
Completed No phase listed Observational

Evaluation and Follow-up of Individuals With Obsessive-Compulsive Disorder and Related Conditions

NCT00004550
View directory record Official record
Conditions
Anorexia Nervosa, Obsessive Compulsive Disorder, Tourette Syndrome, Trichotillomania
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 6:57 PM EDT
Not listed Not applicable Interventional

An ERP-based Mobile Intervention as an Adjunctive Treatment for OCD

NCT05166707
View directory record Official record
Conditions
Obsessive-compulsive Disorders and Symptoms, Obsessive-Compulsive Disorder
Interventions
BIXINK OC Free
Device
Lead sponsor
BIXINK Therapeutics Co., Ltd.
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Jul 21, 2026, 6:57 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Neuroimaging Biomarkers for Predicting rTMS Response in OCD

NCT04286126
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Active bilateral DMPFC, Active right-sided OFC
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 80 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2023 · Synced Jul 21, 2026, 6:57 PM EDT
Recruiting Not applicable Interventional

Mechanisms of Exposure Therapy for OCD

NCT06173752
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Exposure therapy
Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
San Diego, California • Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Control and Reward Circuits in Obsessive Compulsive Disorder

NCT02221518
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Exposure & Response Prevention (EX/RP)
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Jul 21, 2026, 6:57 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Light Therapy for Obsessive-compulsive Disorder (OCD)

NCT06720090
View directory record Official record
Conditions
OCD
Interventions
Light therapy
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
17 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 21, 2026, 6:57 PM EDT
Completed No phase listed Observational

Physiological Brain Atlas Development

NCT01210534
View directory record Official record
Conditions
Parkinson Disease, Dystonia, Tremors, Obsessive Compulsive Disorder, Depression
Interventions
No intervention
Other
Lead sponsor
Ohio State University
Other
Eligibility
7 Years to 90 Years
Enrollment
456 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced Jul 21, 2026, 6:57 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Phase II Adaptive Deep Brain Stimulation for Obsessive-Compulsive Disorder

NCT04806516
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Summit RC+S System with ECoG Paddles, One Month Blinded Discontinuation Period:
Device · Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
3
States / cities
Pittsburgh, Pennsylvania • Providence, Rhode Island • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2025 · Synced Jul 21, 2026, 6:57 PM EDT
Recruiting Not applicable Interventional

Rapid Non-Invasive Brain Stimulation for Hoarding Disorder

NCT06712914
View directory record Official record
Conditions
Hoarding Disorder, Hoarding, Clutter
Interventions
MagPro X100 by MagVenture
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jul 21, 2026, 6:57 PM EDT
Not listed Not applicable Interventional

Improving Access to Child Anxiety Treatment

NCT03528109
View directory record Official record
Conditions
Obsessive-Compulsive Disorder, Anxiety Disorders, Pediatric Disorder, Anxiety, OCD, Phobia, Agoraphobia, Generalized Anxiety, Generalized Anxiety Disorder, Selective Mutism, Separation Anxiety, Social Anxiety, Social Anxiety Disorder, Panic Disorder
Interventions
Exposure Therapy
Behavioral
Lead sponsor
Bradley Hospital
Other
Eligibility
5 Years to 18 Years
Enrollment
379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Riverside, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 2, 2022 · Synced Jul 21, 2026, 6:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Increasing Treatment Efficacy Using SMART Methods for Personalizing Care

NCT04642898
View directory record Official record
Conditions
Anxiety Disorders, Post Traumatic Stress Disorder, Obsessive-Compulsive Disorder
Interventions
Standard UP Treatment, Capitalization UP Treatment, Compensation UP Treatment
Behavioral
Lead sponsor
Shannon E. Sauer-Zavala
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Jul 21, 2026, 6:57 PM EDT