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ClinicalTrials.gov public records Last synced Oct 9, 2026, 10:29 AM EDT

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Showing 169–192 of 228 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: N-Acetyl Cysteine Clear all
Suspended Not applicable Interventional

Mucomyst for Hepatitis C

NCT00493610
View directory record Official record
Conditions
Hepatitis C
Interventions
N-acetylcysteine(Mucomyst)
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 8, 2010 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Not applicable Interventional

Use of Mucomyst to Ameliorate Oxidant Stress in Diabetics With Proteinuria

NCT00493727
View directory record Official record
Conditions
Diabetes, Proteinuria
Interventions
N-acetylcysteine(Mucomyst)
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated May 19, 2008 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Phase 3 Interventional

Randomized Study of Acetylcysteine in Patients With Acute Liver Failure Not Caused by Acetaminophen

NCT00004467
View directory record Official record
Conditions
Acute Liver Failure
Interventions
N-acetylcysteine (NAC), Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 70 Years
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2006
U.S. locations
25
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

Cystagon to Treat Infantile Neuronal Ceroid Lipofuscinosis

NCT00028262
View directory record Official record
Conditions
Infantile Neronal Ceroid Lipofuscinosis
Interventions
Cystagon
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
6 Months to 3 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Phase 1Phase 2 Interventional

Acetylcysteine in the Prevention of Renal Failure After Bypass Surgery

NCT00211653
View directory record Official record
Conditions
Kidney Failure
Interventions
N-Acetylcysteine
Drug
Lead sponsor
Minneapolis Veterans Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 19, 2007 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Clinical Trial for Alcohol Use Disorder and Post Traumatic Stress Disorder (PTSD)

NCT02966873
View directory record Official record
Conditions
Post Traumatic Stress Disorder (PTSD), Addiction, Alcohol Abuse
Interventions
N-Acetylcysteine (NAC) Treatment, Cognitive Behavioral Therapy (CBT), Inactive Placebo Oral Capsule, Functional magnetic resonance imaging (fMRI), Proton magnetic resonance spectroscopy (MRS) Imaging
Drug · Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
2
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 9, 2026, 10:29 AM EDT
Active, not recruiting Not applicable Interventional

Obstructive Sleep Apnea (OSA) and Sex-Specific Responses to N-acetylcysteine (NAC)

NCT06311045
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
N-acetylcysteine (NAC), Placebo, Positive Airway Pressure (PAP) Therapy
Dietary Supplement · Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
55 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Early Phase 1 Interventional Results available

NAC +taVNS in IDM Who Are Poor Oral Feeders

NCT04632069
View directory record Official record
Conditions
Infant of Diabetic Mother, Oxidative Stress, Vagus Nerve Stimulation, Feeding Disorders
Interventions
N acetyl cysteine + vagus nerve stimulation
Combination Product
Lead sponsor
Medical University of South Carolina
Other
Eligibility
3 Weeks to 5 Months
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 29, 2024 · Synced Oct 9, 2026, 10:29 AM EDT
Terminated Phase 4 Interventional Results available

Study of N-Acetylcysteine in Acute Liver Failure (ALF)

NCT00896025
View directory record Official record
Conditions
Acute Liver Failure, Fulminant Hepatic Failure
Interventions
N-acetylcysteine
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
21
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2020 · Synced Oct 9, 2026, 10:29 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Treatment of Systemic Lupus Erythematosus (SLE) With N-acetylcysteine

NCT00775476
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years and older
Enrollment
290 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
12
States / cities
Los Angeles, California • New Haven, Connecticut • Atlanta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 9, 2026, 10:29 AM EDT
Withdrawn Early Phase 1 Interventional

N-Acetyl-cysteine in Early Acute Respiratory Distress Syndrome

NCT03346681
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome
Interventions
N-acetyl cysteine
Drug
Lead sponsor
Prisma Health-Midlands
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 31, 2024 · Synced Oct 9, 2026, 10:29 AM EDT
Terminated Phase 3 Interventional

N-acetylcysteine in the Treatment of Bulimia Nervosa

NCT01033149
View directory record Official record
Conditions
Bulimia Nervosa
Interventions
N-acetylcysteine
Drug
Lead sponsor
Lindner Center of HOPE
Other
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Mason, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 5, 2014 · Synced Oct 9, 2026, 10:29 AM EDT
Not listed Phase 2 Interventional

Safety, Tolerability, and Efficacy of AXA1125 in NASH With Fibrosis

NCT04880187
View directory record Official record
Conditions
Non Alcoholic Steatohepatitis (NASH)
Interventions
AXA1125, Placebo
Drug
Lead sponsor
Axcella Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
57
States / cities
Cullman, Alabama • Tucson, Arizona • Canoga Park, California + 45 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2022 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Phase 1 Interventional Results available

Hypertrophic Regression With N-Acetylcysteine in HCM

NCT01537926
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Oct 9, 2026, 10:29 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

A Prospective, Randomized TrialComparing Oral N-Acetylcysteine and Intravenous Sodium Bicarbonate

NCT00579995
View directory record Official record
Conditions
Nephropathy
Interventions
Oral N-Acetylcysteine, Sodium Bicarbonate
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Phase 1 Interventional

NAC to Prevent Cisplatin-induced Hearing Loss

NCT02094625
View directory record Official record
Conditions
Neuroectodermal Tumors, Primitive, Liver Neoplasms, Osteosarcoma, Other Childhood Cancers Using Cisplatin-based Regimens
Interventions
N-Acetylcysteine
Drug
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
1 Year to 21 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

N-acetylcysteine for Tobacco Use Disorder

NCT02737358
View directory record Official record
Conditions
Nicotine Dependence, Smoking
Interventions
N-acetylcysteine (NAC), Placebo
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Phase 4 Interventional

Treatment of Cognitive and Negative Symptoms in Schizophrenia With N-acetylcysteine

NCT02505477
View directory record Official record
Conditions
Schizophrenia, Cognitive Deficits, Schizophrenia; Negative Type
Interventions
N-acetylcysteine, Treatment as Usual
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Oct 9, 2026, 10:29 AM EDT
Withdrawn Phase 1 Interventional

N-acetylcysteine Given IV With Cisplatin and Paclitaxel in Patients With Ovarian Cancer

NCT01138137
View directory record Official record
Conditions
Ovarian Carcinoma, Stage 3 or 4, Epithelial Ovarian Carcinoma, Primary Peritoneal Carcinoma
Interventions
Paclitaxel, N-acetylcysteine, Cisplatin
Drug
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years to 75 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 21, 2017 · Synced Oct 9, 2026, 10:29 AM EDT
Recruiting Phase 2 Interventional

Efficacy of Rifaximin With NAC in IBS-D

NCT06727422
View directory record Official record
Conditions
IBS (Irritable Bowel Syndrome), IBS-D (Diarrhea-predominant)
Interventions
rifaximin 66mg + N-acetylcysteine 560mg three times daily, RNIB21 containing rifaximin 132mg + N-acetylcysteine 560mg three times daily, Placebo
Drug
Lead sponsor
Mark Pimentel, MD
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 9, 2026, 10:29 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Pilot Study of a Multi-Drug Regimen for Severe Pulmonary Fibrosis in Hermansky-Pudlak Syndrome

NCT00467831
View directory record Official record
Conditions
Hermansky-Pudlak Syndrome (HPS), Pulmonary Fibrosis, Oculocutaneous Albinism, Platelet Storage Pool Deficiency, Metabolic Disease
Interventions
Losartan, Zileuton, N-Acetylcysteine, Pravastatin, Erythromycin
Drug
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 70 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 2, 2013 · Synced Oct 9, 2026, 10:29 AM EDT
Recruiting Phase 1 Interventional

Actinic Keratoses Treated With 5-fluorouracil Plus Aluminum

NCT07401277
View directory record Official record
Conditions
Actinic Keratoses
Interventions
5% 5-fluorouracil (5-FU) powder, 5% 5-fluorouracil (5-FU) powder PLUS 15% Aluminum Chloride Hexahydrate (ACH)
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 9, 2026, 10:29 AM EDT
Terminated Phase 2Phase 3 Interventional

N-acetylcysteine in Bulimia Nervosa

NCT01131572
View directory record Official record
Conditions
NAC
Interventions
N-acetylcysteine NAC
Drug
Lead sponsor
Lindner Center of HOPE
Other
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Mason, Ohio
Source: ClinicalTrials.gov public record
Updated May 10, 2013 · Synced Oct 9, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

N-Acetyl Cysteine and Aspirin as an Adjunctive Treatment for Bipolar Disorder

NCT01797575
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Aspirin, N-acetyl-cysteine (NAC), Sugar Pill
Drug · Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Oct 9, 2026, 10:29 AM EDT