Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 21, 2026, 6:56 PM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Cycloserine Clear all
Completed Not applicable Interventional

A Prospective Study of Multidrug Resistance and a Pilot Study of the Safety of and Clinical and Microbiologic Response to Levofloxacin in Combination With Other Antimycobacterial Drugs for Treatment of Multidrug-Resistant Pulmonary Tuberculosis (MDRTB) in HIV-Infected Patients.

NCT00000796
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Cycloserine, Ethionamide, Capreomycin sulfate, Aminosalicylic acid, Streptomycin sulfate, Ethambutol hydrochloride, Amikacin sulfate, Isoniazid, Pyrazinamide, Pyridoxine hydrochloride, Levofloxacin, Rifampin, Clofazimine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
525 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
21
States / cities
Chicago, Illinois • Detroit, Michigan • Brooklyn, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Assisting Smokers to Switch to an e-Cigarette by Accelerating Learning of Adaptive Habits Using D-cycloserine

NCT05994703
View directory record Official record
Conditions
Smoking Cessation, Harm Reduction
Interventions
d-cycloserine, Juul e-cigarette
Drug · Other
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 21, 2026, 6:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of D-cycloserine on Stimulus Generalization of Conditioned Fear Healthy Controls.

NCT01733030
View directory record Official record
Conditions
Post Traumatic Stress Syndrome
Interventions
Seromycin
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Sep 21, 2026, 6:56 PM EDT
Withdrawn Phase 2 Interventional

D-Cycloserine and Virtual Reality Exposure Therapy

NCT02933684
View directory record Official record
Conditions
Social Anxiety Disorder
Interventions
Seromycin, Virtual Reality Exposure Therapy, Placebo
Drug · Behavioral
Lead sponsor
Georgia State University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 12, 2018 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 2Phase 3 Interventional Results available

D-cycloserine and Virtual Reality Exposure to Treat Iraq War Veterans With PTSD

NCT00356278
View directory record Official record
Conditions
Stress Disorder, Post Traumatic
Interventions
D-Cycloserine, Alprazolam, Virtual Reality Exposure Therapy, Placebo
Drug · Behavioral
Lead sponsor
Emory University
Other
Eligibility
21 Years to 65 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Not applicable Interventional Results available

A Placebo-Controlled Trial of D-Cycloserine and Exposure Therapy for Combat-PTSD

NCT00371176
View directory record Official record
Conditions
Combat Disorders, Stress Disorders, Post-Traumatic
Interventions
Exposure therapy, D-Cycloserine, Placebo pill
Behavioral · Drug · Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 3, 2014 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 3

NCT01068847
View directory record Official record
Conditions
Drug Dependence
Interventions
2-4 of the drugs listed below
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2013 · Synced Sep 21, 2026, 6:56 PM EDT
Not listed Phase 3 Interventional

NRX-101 for Maintenance of Remission From Severe Bipolar Depression in Patients With Suicidal Ideation

NCT03396068
View directory record Official record
Conditions
Bipolar Depression, Suicidal Ideation
Interventions
NRX-101, Lurasidone HCl
Drug
Lead sponsor
NeuroRx, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
4
States / cities
Birmingham, Alabama • Hollywood, Florida • Fort Worth, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Sep 21, 2026, 6:56 PM EDT
Recruiting Phase 4 Interventional

Varenicline and Accelerated Transcranial Magnetic Stimulation (TMS) for Quitting Nicotine Use (Pilot Study)

NCT07145866
View directory record Official record
Conditions
Nicotine Dependence, Transcranial Magnetic Stimulation, Vaping, Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
Varenicline, Transcranial Magnetic Stimulation, Transcranial Magnetic Stimulation Sham, Nicotine Cessation Counseling, D-cycloserine
Drug · Device · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 2 Interventional Results available

Improving Stroke Rehabilitation: Spacing Effect and D-cycloserine

NCT00720759
View directory record Official record
Conditions
Stroke
Interventions
D-cycloserine + distributed treatment, D-cycloserine + condensed treatment, Placebo + distributed treatment, Placebo + condensed treatment
Drug · Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
20 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 6, 2014 · Synced Sep 21, 2026, 6:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of D-cycloserine on Extinction of Fear Conditioning

NCT00352586
View directory record Official record
Conditions
Fear
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 4 Interventional Results available

D-Cycloserine Enhancement of Exposure in Social Phobia

NCT00633984
View directory record Official record
Conditions
Social Anxiety Disorder
Interventions
Cognitive Behavioral Group Therapy (CBGT), D-Cycloserine, Placebo
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 13, 2014 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 2 Interventional Results available

Effect of D-cycloserine on Treatment of Posttraumatic Stress Disorder (PTSD) in Youth

NCT01157416
View directory record Official record
Conditions
Posttraumatic Stress Disorders, PTSD
Interventions
D-cycloserine, Placebo pill, CBT
Drug · Behavioral
Lead sponsor
Tulane University School of Medicine
Other
Eligibility
7 Years to 12 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 2 Interventional

Treatment of Chronic Bothersome Tinnitus Using Cognitive Training and D-cycloserine

NCT01550796
View directory record Official record
Conditions
Tinnitus
Interventions
Cognitive Training
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
35 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 22, 2013 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 2 Interventional Results available

D-Cycloserine Facilitation of Cocaine - Cue Extinction

NCT00759473
View directory record Official record
Conditions
Cocaine Use Disorders
Interventions
D-Cycloserine (DCS), Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Charleston, South Carolina • Pickens, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 12, 2016 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 1

NCT00593463
View directory record Official record
Conditions
Drug Dependence
Interventions
Cycloserine, Diltiazem, Gabapentin, Isradipine, Naloxone, Nifedipine, Placebo, Saline, Verapamil
Drug · Device
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 10, 2011 · Synced Sep 21, 2026, 6:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

DECIDE: Developing Tools for Lung Cancer Screening Discussion Improvement

NCT03891602
View directory record Official record
Conditions
Smoking, Smoking, Tobacco, Smoking, Cigarette, Lung Cancer
Interventions
Cataldo Lung Cancer Stigma Scale (Smoking-Related Subscale), Patient Trust in the Medical, Decision Conflict Scale (DCS) - Lung Cancer Screening, Shared Decision Making Questionnaire (SDM-Q)- Patient, Stage of Readiness for Smoking Cessation - Contemplation Ladder, Primary Care Clinicians' Lung Cancer Screening Survey
Behavioral
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 80 Years
Enrollment
654 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Cognitive Remediation With D-Cycloserine

NCT01399866
View directory record Official record
Conditions
Smoking Cessation
Interventions
D-cycloserine, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 3 Interventional Results available

Effect of D-cycloserine Plus Cognitive Behavioral Therapy on People With Social Phobia

NCT00515879
View directory record Official record
Conditions
Social Anxiety Disorder
Interventions
D-cycloserine, Cognitive behavioral therapy (CBT), Placebo
Drug · Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years and older
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 25, 2019 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 2 Interventional Results available

Exposure, D-Cycloserine Enhancement, and Genetic Modulators in Panic Disorder

NCT00790868
View directory record Official record
Conditions
Panic Disorder
Interventions
d-cycloserine, placebo
Drug
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years to 80 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
4
States / cities
Hartford, Connecticut • Chicago, Illinois • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 6, 2018 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 1Phase 2 Interventional Results available

D-cycloserine and Treatment of Feeding Disorders

NCT01923896
View directory record Official record
Conditions
Feeding Disorders, Specific Phobia
Interventions
Behavioral Intervention, d-cycloserine (DCS), Placebo
Behavioral · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Months to 6 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 22, 2014 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Not applicable Interventional Results available

D-Cycloserine Augmentation to CBT With Exposure and Response Prevention in Adults and Adolescents With OCD

NCT01172873
View directory record Official record
Conditions
Obsessive Compulsive Disorder
Interventions
D-cycloserine, Exposure and Response Prevention (EX/RP)
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
12 Years to 17 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2014 · Synced Sep 21, 2026, 6:56 PM EDT
Withdrawn Not applicable Interventional

Virtual Reality and D-Cycloserine in Combat Related Psycological Trauma in Burn Service Members

NCT00855153
View directory record Official record
Conditions
Psychological Trauma
Interventions
VR (Virtual reality), D-Cycloserine
Other · Drug
Lead sponsor
United States Army Institute of Surgical Research
Federal
Eligibility
18 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2011 · Synced Sep 21, 2026, 6:56 PM EDT
Completed Phase 4 Interventional Results available

Using D-cycloserine to Enhance the Benefits of Cognitive Behavioral Therapy for Schizophrenia

NCT00742079
View directory record Official record
Conditions
Schizophrenia
Interventions
D-cycloserine, Cognitive Behavioral Therapy
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2017 · Synced Sep 21, 2026, 6:56 PM EDT