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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 Disorders Clear all
Completed Phase 2 Interventional Results available

Naltrexone in the Treatment of Trichotillomania

NCT00775229
View directory record Official record
Conditions
Trichotillomania
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 75 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Not applicable Interventional Results available

Neuromodulation for Comorbid Hoarding Disorder and Depression

NCT05985356
View directory record Official record
Conditions
Hoarding Disorder, Hoarding, Depression
Interventions
iTBS
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Phase 2 Interventional Results available

N-Acetylcysteine for Pediatric Trichotillomania

NCT00993265
View directory record Official record
Conditions
Trichotillomania, Hair Pulling
Interventions
N-Acetylcysteine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
8 Years to 17 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 24, 2014 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Not applicable Interventional

Personalized Computerized Inhibitory Control Training for OCD

NCT02378896
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Personalized Computer Program, Cognitive Behavioral Therapy
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2018 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Exposure-Focused Family-Based CBT for Youth With ASD and Comorbid Anxiety

NCT01919970
View directory record Official record
Conditions
Autism, Asperger's Syndrome, Pervasive Developmental Disorder Not Otherwise Specified, Generalized Anxiety Disorder, Social Phobia, Separation Anxiety Disorder, Obsessive-compulsive Disorder, Specific Phobia
Interventions
Cognitive Behavioral Therapy, Treatment as usual
Other
Lead sponsor
University of South Florida
Other
Eligibility
6 Years to 12 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Not applicable Interventional

Adjunctive Glycine for Obsessive Compulsive Disorder

NCT00405535
View directory record Official record
Conditions
Obsessive Compulsive Disorder
Interventions
glycine, placebo
Drug · Other
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Sep 10, 2026, 7:14 AM EDT
Not listed Phase 2 Interventional

The Use of D-Cycloserine to Augment CBT for Pediatric OCD

NCT01687140
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
D-Cycloserine, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
7 Years to 17 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2012 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Not applicable Interventional

Attention Training for Childhood Obsessive Compulsive Disorder

NCT02114918
View directory record Official record
Conditions
Obsessive Compulsive Disorder
Interventions
Attention Modification Program, Attention Control Condition
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
8 Years to 17 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 15, 2017 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Phase 2 Interventional Results available

Transcranial Magnetic Stimulation (TMS) and Obsessive Compulsive Disorder (OCD)

NCT00106249
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Repetitive Transcranial Magnetic Stimulation (rTMS), Sham
Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 26, 2017 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Not applicable Interventional Results available

Transcranial Direct Current Stimulation Potentiation of Fear Extinction in OCD

NCT05521074
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 10, 2026, 7:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Integrating Pharmacogenomic Testing Into a Child Psychiatry Clinic

NCT02855580
View directory record Official record
Conditions
Obsessive Compulsive Disorder, Major Depressive Disorder, Anxiety
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
8 Years to 20 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 9, 2019 · Synced Sep 10, 2026, 7:14 AM 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 – 2027
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Not applicable Interventional

Omega-3 Fatty Acids in Tourette's Disorder

NCT01315327
View directory record Official record
Conditions
Tourette's Disorder
Interventions
Omega-3 Fatty Acids, Olive oil
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
6 Years to 18 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 30, 2014 · Synced Sep 10, 2026, 7:14 AM EDT
Terminated Phase 2 Interventional Results available

Study to Evaluate the Effect of AFQ056 in Obsessive Compulsive Disorder (OCD) Patients Resistant to Selective Serotonin Reuptake Inhibitor (SSRI) Therapy

NCT01813019
View directory record Official record
Conditions
Patient Diagnosed With OCD and Resistant to SSRI Treatment, Failed SSRI Over 12 Weeks at Appropriate Doses
Interventions
AFQ056, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
San Diego, California • Watertown, Massachusetts • Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jan 1, 2017 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Phase 3 Interventional

Study to Determine the Efficacy and Safety of Adjunctive Topiramate in the Treatment of Obsessive-Compulsive Disorder

NCT00187928
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Topiramate
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 4, 2011 · Synced Sep 10, 2026, 7:14 AM EDT
Terminated Not applicable Interventional Results available

Transcranial Direct Current Stimulation (tDCS) in Pediatric Obsessive Compulsive Disorder (OCD)

NCT04548609
View directory record Official record
Conditions
Obsessive-Compulsive Disorder, Pediatric Psychiatric Disorder
Interventions
Transcranial Direct Current Stimulation
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
10 Years to 17 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 10, 2026, 7:14 AM EDT
Withdrawn Not applicable Interventional

Pilot Study of CBT With tDCS for Adults Being Treated for Obsessive Compulsive Disorder

NCT05964998
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
transcranial direct current stimulation, Sham transcranial direct current stimulation
Device
Lead sponsor
Rogers Behavioral Health
Other
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Oconomowoc, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 15, 2024 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Not applicable Interventional Results available

Risperidone or Cognitive-Behavioral Therapy for Improving Medication Treatment for Obsessive-compulsive Disorder

NCT00389493
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Risperidone, Exposure/ritual prevention therapy (EX/RP), Placebo
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 24, 2014 · Synced Sep 10, 2026, 7:14 AM EDT
Terminated Phase 2 Interventional

A Randomized, Double-Blind, Placebo-Controlled Trial of Flumazenil for the Treatment of Obsessive Compulsive Disorder

NCT00997087
View directory record Official record
Conditions
Obsessive Compulsive Disorder
Interventions
Flumazenil
Drug
Lead sponsor
Parkway Medical Center
Other
Eligibility
19 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 21, 2014 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Phase 1Phase 2 Interventional

Cognitive Behavioral Therapy for Trichotillomania

NCT00740909
View directory record Official record
Conditions
Trichotillomania
Interventions
Cognitive Behavioral Therapy
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Early Phase 1 Interventional

Cognitive Remediation for Neuropsychological Impairment in Compulsive Hoarding

NCT01451697
View directory record Official record
Conditions
Hoarding Disorder, Attentional Impairment
Interventions
Cognitive Remediation, Control (Placebo)
Behavioral
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated May 19, 2019 · Synced Sep 10, 2026, 7:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intensive Cognitive-Behavioral Therapy For Obsessive-Compulsive Disorder

NCT01368510
View directory record Official record
Conditions
Obsessive-Compulsive Disorder (OCD)
Interventions
Intensive Cognitive Behavioral Therapy (CBT), Waitlist
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Sep 10, 2026, 7:14 AM 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 Sep 10, 2026, 7:14 AM EDT
Completed Phase 2 Interventional Results available

Riluzole to Treat Child and Adolescent Obsessive-Compulsive Disorder With or Without Autism Spectrum Disorders

NCT00251303
View directory record Official record
Conditions
Obsessive-Compulsive Disorder, Autism Spectrum Disorder, Autism, Asperger Disorder, Developmental Disorder
Interventions
Riluzole, Placebo
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
7 Years to 17 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 14, 2014 · Synced Sep 10, 2026, 7:14 AM EDT