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ClinicalTrials.gov public records Last synced Sep 8, 2026, 4:00 PM EDT

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Showing 1–24 of 228 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
HIV, Endothelial Dysfunction, Oxidative Stress
Interventions
PharmaNAC (N-acetylcysteine), Matching placebo
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Asthma, COPD
Interventions
n-acetylcystine (NAC)+ albuterol, AeroEclipse-VersaPAP System
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Francisco, California
Conditions
Vaccine Adverse Reaction, Post Acute Covid-19 Vaccination Syndrome
Interventions
Combined metabolic modulator, Rice Protein Powder with Vitamin C
Combination Product · Dietary Supplement
Lead sponsor
Independent Medical Alliance
Other
Eligibility
16 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Cocaine Abuse or Dependence, Cocaine Related Disorders
Interventions
Not listed
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Detroit, Michigan
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

N-Acetylcysteine for Neuroprotection in Parkinson's Disease

NCT01470027
Conditions
Parkinson Disease
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
50 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Conditions
Parkinson Disease, Idiopathic Parkinson Disease
Interventions
Intravenous and Oral n-acetyl cysteine, Control group, Oral Supplements: Baicalin, Ganoderma, Omega 3 and Curcumin
Dietary Supplement · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
30 Years to 80 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Neuroscience-Informed Treatment Development for Adolescent Alcohol Use

NCT03238300
Conditions
Alcohol Drinking, Control
Interventions
N-Acetylcysteine, Placebo Oral Capsule
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
15 Years to 19 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Purpura, Thrombotic Thrombocytopenic, TTP
Interventions
N-Acetylcysteine
Drug
Lead sponsor
Bloodworks
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers Results available

Use of NAC in Alleviation of Hangover Symptoms

NCT02541422
Conditions
Hangover Symptoms, NAC
Interventions
N Acetyl Cysteine, placebo
Dietary Supplement · Other
Lead sponsor
St. Luke's Hospital and Health Network, Pennsylvania
Other
Eligibility
21 Years and older
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Bethlehem, Pennsylvania
Conditions
Cannabis Dependence
Interventions
N-Acetylcysteine, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 50 Years
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
6
States / cities
Los Angeles, California • New Haven, Connecticut • Lexington, Kentucky + 3 more
Completed Phase 1 Interventional Results available

Hypertrophic Regression With N-Acetylcysteine in HCM

NCT01537926
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
Terminated Phase 4 Interventional Results available

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

NCT00896025
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
Terminated Not applicable Interventional Accepts healthy volunteers Results available

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

NCT00579995
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
Conditions
Malignant Ovarian Endometrioid Tumor, Malignant Ovarian Serous Tumor, Recurrent Fallopian Tube Carcinoma, Recurrent Ovarian Carcinoma, Recurrent Primary Peritoneal Carcinoma
Interventions
Topotecan Hydrochloride, Acetylcysteine
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Autism Spectrum Disorder
Interventions
N acetyl cysteine, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
3 Years to 12 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Terminated Early Phase 1 Interventional Accepts healthy volunteers

N-Acetyl Cysteine Protects Pulpal Stem Cells in Endodontic Revascularization

NCT03451435
Conditions
Endodontic Disease
Interventions
N acetyl cysteine
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Years to 18 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Terminated Phase 4 Interventional Results available

Inpatient Clinical Trial of NAC

NCT03581084
Conditions
Asthma
Interventions
N-acetylcysteine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
San Francisco, California
Completed Phase 3 Interventional Results available

Use of N-Acetylcysteine (NAC) in Fingernail Biting

NCT01993849
Conditions
Onychophagia
Interventions
N-Acetylcysteine (NAC), Placebo
Drug · Other
Lead sponsor
Kevin Gray, MD
Other
Eligibility
18 Years to 30 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Aneurysmal Subarachnoid Hemorrhage, Cerebral Vasospasm
Interventions
Placebos for acetaminophen and N-acetylcysteine, APAP 1 gm every 6 hours and N-acetylcysteine placebo, NAC IV infusion at 0.5 gm hourly and APAP placebo, APAP 1 gm q6 hours, plus NAC IV infusion at 0.5 gm hourly, APAP 1.5 gm q6 hours, plus NAC IV infusion at 0.5 gm hourly
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
20 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Tourettes Syndrome, Tic
Interventions
N-Acetylcysteine (NAC), Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
8 Years to 17 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Active, not recruiting Early Phase 1 Interventional

Glutathione in Mild Cognitive Impairment

NCT03493178
Conditions
Mild Cognitive Impairment
Interventions
Glycine, N-acetylcysteine (NAC), Alanine
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
55 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Bipolar Disorder
Interventions
Open-label Treatment with N-Acetylcysteine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
5 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Antioxidant Therapy in RYR1-Related Congenital Myopathy

NCT02362425
Conditions
Neuromuscular Disease
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
National Institute of Nursing Research (NINR)
NIH
Eligibility
7 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Autism Spectrum Disorder
Interventions
N-Acetylcysteine
Drug
Lead sponsor
Stanford University
Other
Eligibility
3 Years to 12 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
1
States / cities
Stanford, California