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Showing 1–24 of 133 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: vitamin E placebo Clear all
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Outpatient Cervical Ripening With Orally Administered Misoprostol in Diabetics

NCT00514618
View directory record Official record
Conditions
Diabetes, Gestational
Interventions
Misoprostol, Placebo
Drug · Dietary Supplement
Lead sponsor
MemorialCare Health System
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Sep 26, 2026, 2:04 PM EDT
Completed No phase listed Observational

Nutrition Blood Outcomes Following Tocotrienol N2B

NCT01858311
View directory record Official record
Conditions
Stroke
Interventions
Tocotrienol Capsules, Placebo Vehicle
Dietary Supplement · Other
Lead sponsor
Ohio State University
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
2
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 19, 2021 · Synced Sep 26, 2026, 2:04 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

A Study to Evaluate Efficacy and Safety of Vatiquinone for Treating Mitochondrial Disease in Participants With Refractory Epilepsy

NCT04378075
View directory record Official record
Conditions
Mitochondrial Diseases, Drug Resistant Epilepsy, Leigh Disease, Leigh Syndrome, Mitochondrial Encephalopathy (MELAS), Pontocerebellar Hypoplasia Type 6 (PCH6), Alpers Disease, Alpers Syndrome
Interventions
Vatiquinone, Placebo
Drug · Other
Lead sponsor
PTC Therapeutics
Industry
Eligibility
Up to 20 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
12
States / cities
San Diego, California • Stanford, California • New Haven, Connecticut + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 26, 2026, 2:04 PM EDT
Not listed Not applicable Interventional

Study to Evaluate the Effect of RGMA001 on Patients With Non Alcoholic Fatty Liver Disease (NAFLD)

NCT01511523
View directory record Official record
Conditions
Non Alcoholic Fatty Liver Disease
Interventions
RGMA001, Sugar Pill
Dietary Supplement
Lead sponsor
Biovil Research Group, LLC
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Fayetteville, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 15, 2012 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Phase 3 Interventional

Memory Impairment Study (Mild Cognitive Impairment Study)

NCT00000173
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Donepezil, Vitamin E
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
63
States / cities
Phoenix, Arizona • Tucson, Arizona • Irvine, California + 53 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2009 · Synced Sep 26, 2026, 2:04 PM EDT
Not listed Phase 3 Interventional

Vitamin E in Aging Persons With Down Syndrome

NCT00056329
View directory record Official record
Conditions
Down Syndrome, Alzheimer Disease
Interventions
Vitamin E, multivitamin, Placebo
Drug
Lead sponsor
New York State Institute for Basic Research
Government
Eligibility
50 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2012
U.S. locations
14
States / cities
Farmington, Connecticut • Tampa, Florida • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated May 3, 2012 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Early Phase 1 Interventional

Exercise and NO in HFrEF

NCT03136029
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
Antioxidant, Tetrahydrobiopterin (BH4), Exercise training
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Sep 26, 2026, 2:04 PM EDT
Not listed Phase 4 Interventional

Placebo Controlled Study Using Lovaza as Treatment for Non-Alcoholic Fatty Liver Disease

NCT00941642
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease
Interventions
Lovaza, placebo control
Drug
Lead sponsor
Huntington Medical Research Institutes
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2010 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Phase 2 Interventional

Safety and Efficacy Study of EPI-743 in Children With Leigh Syndrome

NCT01721733
View directory record Official record
Conditions
Leigh Syndrome
Interventions
Placebo, EPI-743 15 mg/kg, EPI-743 5 mg/kg
Drug
Lead sponsor
PTC Therapeutics
Industry
Eligibility
6 Years to 17 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
4
States / cities
Palo Alto, California • Akron, Ohio • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2020 · Synced Sep 26, 2026, 2:04 PM EDT
Recruiting Phase 2 Interventional

Ascorbic Acid and Chemotherapy for the Treatment of Relapsed or Refractory Lymphoma, CCUS, and Chronic Myelomonocytic Leukemia

NCT03418038
View directory record Official record
Conditions
Clonal Cytopenia of Undetermined Significance, High Grade B-Cell Lymphoma With MYC and BCL2 or BCL6 Rearrangements, Recurrent Diffuse Large B-Cell Lymphoma, Recurrent Hodgkin Lymphoma, Recurrent Lymphoma, Refractory Diffuse Large B-Cell Lymphoma, Refractory Lymphoma, Chronic Myelomonocytic Leukemia
Interventions
Ascorbic Acid, Carboplatin, Cisplatin, Cytarabine, Dexamethasone, Etoposide, Gemcitabine Hydrochloride, Ifosfamide, Laboratory Biomarker Analysis, Oxaliplatin, Placebo Administration, Questionnaire Administration, Rituximab, Decitabine, Biospecimen Collection, Core Biopsy, Bone Marrow Aspiration, Bone Marrow Biopsy, Echocardiography, Positron Emission Tomography, Magnetic Resonance Imaging, Central Venous Cannula Insertion, Portacath Placement, Computed Tomography
Dietary Supplement · Drug · Other + 2 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2033
U.S. locations
4
States / cities
Mankato, Minnesota • Rochester, Minnesota • Eau Claire, Wisconsin + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Not applicable Interventional

Haptoglobin Phenotype, Vitamin E and High-density Lipoprotein (HDL) Function in Type 1 Diabetes

NCT01098994
View directory record Official record
Conditions
Type 1 Diabetes, Heart Disease
Interventions
Vitamin E, Dummy pills
Dietary Supplement · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
30 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 2, 2014 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Micronutrients to Prevent Noise-induced Hearing Loss

NCT00808470
View directory record Official record
Conditions
Noise-Induced Hearing Loss
Interventions
beta-carotene, vitamins C and E, magnesium, Placebo
Drug · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 35 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced Sep 26, 2026, 2:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Omega-3 Fatty Acids and Subconcussive Head Impacts

NCT06736925
View directory record Official record
Conditions
Subconcussive Head Impact, Omega-3 Fatty Acids
Interventions
Omega-3 Fatty Acids (EPA plus DHA), Organic soybean oil, Soccer Heading Model
Dietary Supplement · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 30 Years
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Tocotrienols and Bone Health of Postmenopausal Women

NCT02058420
View directory record Official record
Conditions
Osteoporosis
Interventions
Low tocotrienols group, High tocotrienols group
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
40 Years and older · Female only
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2022
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Supplementary Vitamins on Oxidant Gene Expression in the Lungs of Healthy Smokers

NCT00565214
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Group 1, Group 2
Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 70 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 24, 2017 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Phase 2 Interventional

Tocopherols and Alpha Lipoic Acid Treatment Chronic Kidney Disease (TALAT)

NCT00308971
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Alpha, gamma, beta, and delta (mixed) tocopherols, alpha lipoic acid, placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 75 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
2
States / cities
Portland, Maine • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 8, 2009 · Synced Sep 26, 2026, 2:04 PM EDT
Not listed Not applicable Interventional

Supplemental Adjuvants for Intracellular Nutrition and Treatment

NCT00893724
View directory record Official record
Conditions
Neovascular Age-related Macular Degeneration, Diabetic Macular Edema
Interventions
Neutral pills with no medicinal effect, Inosine; Tocopherols, Tocotrienol, CoQ10 combination capsule; Niacinamide SR; Viatmin C; N-acetyl Cysteine; Complete Multivitamin with all minerals, Inosine; Tocopherol, Tocotrienol, CoQ10 combination capsule; Niacinamide; Vitamin C; N-acetyl Cysteine; Complete Multivitamin with all minerals; Minocycline
Drug · Dietary Supplement
Lead sponsor
Mid-Atlantic Retina Consultations, Inc.
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Jul 19, 2011 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Misoprostol Versus Dilapan-S for Cervical Preparation

NCT00835731
View directory record Official record
Conditions
Cervical Ripening
Interventions
misoprostol, Dilapan-S, vitamin B-12
Drug · Device
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years and older · Female only
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2017 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Phase 3 Interventional

Donepezil and Vitamin E to Prevent Side Effects Caused By Radiation Therapy to the Head in Patients Receiving Treatment for Small Cell Lung Cancer

NCT00006349
View directory record Official record
Conditions
Cognitive/Functional Effects, Delirium, Depression, Lung Cancer, Radiation Toxicity
Interventions
vitamin E, donepezil hydrochloride, placebo
Dietary Supplement · Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
15
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Peoria, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Phase 2 Interventional Results available

Provision of Antioxidant Therapy in Hemodialysis (PATH) Study

NCT00237718
View directory record Official record
Conditions
End-stage Renal Disease
Interventions
Alpha, gamma, beta, and delta (mixed) tocopherols, Alpha lipoic acid, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
385 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 10, 2012 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Nutraceutical in Raising Circulating Serum Vitamin, Mineral and Amino Acid Levels in Patients.

NCT04054505
View directory record Official record
Conditions
Vitamin Deficiency
Interventions
EZPAK, Placebo
Dietary Supplement
Lead sponsor
Optimal Health Research
Other
Eligibility
26 Years to 75 Years
Enrollment
275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Sep 26, 2026, 2:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Examining the Impact of Exercise Training on Vascular Dysfunction in Individuals With Mental Health Disorders - Study 1

NCT04916327
View directory record Official record
Conditions
Peripheral Vascular Diseases
Interventions
Antioxidant, Placebo
Dietary Supplement
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 35 Years
Enrollment
720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 26, 2026, 2:04 PM EDT
Completed Phase 3 Interventional

Trial of Vitamins in HIV Progression and Transmission

NCT00197743
View directory record Official record
Conditions
HIV Infections, Disease Transmission, Vertical
Interventions
Vitamin A + Beta Carotene, Multivitamins, Placebo
Dietary Supplement · Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older · Female only
Enrollment
1,085 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2003
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 10, 2010 · Synced Sep 26, 2026, 2:04 PM EDT
Active, not recruiting Phase 3 Interventional

Pentoxifylline and Tocopherol (PENTO) in the Treatment of Medication-related Osteonecrosis of the Jaw (MRONJ)

NCT03040778
View directory record Official record
Conditions
Medication-related Osteonecrosis of the Jaw, Bisphosphonate-related Osteonecrosis of the Jaw, Avascular Necrosis
Interventions
Pentoxifylline, Placebo, Tocopherol
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
4
States / cities
Birmingham, Alabama • Ann Arbor, Michigan • Lake Success, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 26, 2026, 2:04 PM EDT