- Conditions
- Exercise and Non-exercise Effect Upon Vitamins E and C
- Interventions
- Vitamin E and Vitamin C
- Dietary Supplement
- Lead sponsor
- USDA Grand Forks Human Nutrition Research Center
- Federal
- Eligibility
- 30 Years to 50 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Grand Forks, North Dakota
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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 25–37
of 37
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Cataract, Macular Degeneration
- Interventions
- selenium, vitamin E, vitamin E placebo, selenium placebo
- Drug
- Lead sponsor
- SWOG Cancer Research Network
- Network
- Eligibility
- 50 Years to 120 Years · Male only
- Enrollment
- 13,475 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2018
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Colorectal Cancer, Precancerous Condition
- Interventions
- Vitamin E, Selenium, Vitamin E placebo, selenium placebo
- Drug
- Lead sponsor
- SWOG Cancer Research Network
- Network
- Eligibility
- 50 Years to 120 Years · Male only
- Enrollment
- 8,094 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2018
- U.S. locations
- 1
- States / cities
- Tucson, Arizona
- Conditions
- Chronic Obstructive Pulmonary Disease (COPD)
- Interventions
- Tetrahydrobiopterin (BH4), Antioxidant Cocktail
- Drug · Dietary Supplement
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Augusta, Georgia
- Conditions
- Keratoconus
- Interventions
- Antioxidants (Vitamins A,C,E) plus GSH, Placebo, Centrum, Dietary Sources
- Other · Dietary Supplement · Combination Product
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 18 Years to 45 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Palm Beach Gardens, Florida
- Conditions
- Chronic Obstructive Pulmonary Disease
- Interventions
- Knee-extensor exercise test, Exercise test with restricting/releasing blood flow, Exercise test with variable oxygen concentration and MRI, Exercise test with oral antioxidant or placebo cocktail
- Other
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 185 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2016
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Alzheimer's Disease
- Interventions
- Vitamin E, Vitamin C, and Alpha-lipoic Acid, Coenzyme Q, Placebo capsules, Placebo wafers
- Drug
- Lead sponsor
- National Institute on Aging (NIA)
- NIH
- Eligibility
- 60 Years to 85 Years
- Enrollment
- 75 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2007
- U.S. locations
- 13
- States / cities
- Tucson, Arizona • Irvine, California • La Jolla, California + 10 more
- Conditions
- Fatty Liver
- Interventions
- Vitamin E 200 IU/d, Vitamin E 400 IU/d, Vitamin E 800 IU/d, Diet and Exercise
- Drug · Behavioral
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2019
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Muscle Cramp, Cirrhosis
- Interventions
- Vitamin E, Ropinirole, Muscle cramp survey
- Drug · Other
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2021
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Fibrosis Syndrome, Lymphedema, Head &Amp; Neck Cancer, Fibrosis
- Interventions
- Pravastatin (drug), Pentoxifylline, ketoprofen, Pirfenidoneone, Standard of Care (SOC), tocopherol
- Drug · Other
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- Female only
- Enrollment
- 250 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2031
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Nonalcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis
- Interventions
- Vitamin E, Placebo
- Drug
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 9
- States / cities
- La Jolla, California • Los Angeles, California • San Francisco, California + 6 more
- Conditions
- Peripheral Neuropathy, Mitochondrial Trifunctional Protein Deficiency
- Interventions
- Vitamin E supplement
- Dietary Supplement
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 7 Years and older
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Nonalcoholic Steatohepatitis
- Interventions
- pioglitazone-placebo, pioglitazone, Vitamin E, Vitamin E-placebo
- Drug · Dietary Supplement
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 105 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2016
- U.S. locations
- 2
- States / cities
- Gainesville, Florida • San Antonio, Texas