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ClinicalTrials.gov public records Last synced Oct 26, 2026, 10:02 PM EDT

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Showing 145–168 of 246 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: tocopherol Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

UVB-Induced MVP Release in Human Skin

NCT05734235
View directory record Official record
Conditions
Ultraviolet B Radiation, Microvesicle Particles
Interventions
Vitamin C, Vitamin E
Dietary Supplement
Lead sponsor
Wright State University
Other
Eligibility
21 Years to 45 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Fairborn, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 24, 2023 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Long Term Nitric Oxide Bioavailability on Vascular Health in Chronic Obstructive Pulmonary Disease

NCT02774226
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 23, 2021 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Phase 4 Interventional Results available

Prevalence of Non-alcoholic Fatty Liver Disease (NAFLD) in Hispanics With Diabetes Mellitus Type 2 (T2DM) and Role of Treatment

NCT01002547
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Oxidative Stress and Vitamin E Requirements

NCT00067899
View directory record Official record
Conditions
Smoking
Interventions
Vitamin E with and without Vitamin C
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 35 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2005
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 19, 2013 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Not applicable Interventional Results available

Omega-3 Dietary Supplements in Schizophrenia

NCT01786239
View directory record Official record
Conditions
Schizophrenia, Schizophreniform Disorder, Schizoaffective Disorder, Bipolar Disorder, Psychosis NOS
Interventions
Risperidone, Omega-3 capsules, Placebo
Drug
Lead sponsor
Delbert Robinson
Other
Eligibility
15 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Glen Oaks, New York
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Oct 26, 2026, 10:02 PM EDT
Active, not recruiting Phase 3 Interventional

A Study to Assess the Safety and Efficacy of Vatiquinone in Participants With Friedreich Ataxia

NCT05515536
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
Vatiquinone
Drug
Lead sponsor
PTC Therapeutics
Industry
Eligibility
Not listed
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
5
States / cities
Los Angeles, California • Gainesville, Florida • Tampa, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Oct 26, 2026, 10:02 PM EDT
Withdrawn Not applicable Interventional

A Study to See if Certain Antioxidants and Vitamins Will Keep Lactate Levels Down in Patients Taking Anti-HIV Drugs

NCT00037063
View directory record Official record
Conditions
HIV Infections
Interventions
Thiamine hydrochloride, Riboflavin, Ascorbic acid, Vitamin E
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
4
States / cities
Denver, Colorado • Cleveland, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2015 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Respiratory and Autonomic Plasticity Following Intermittent Hypoxia

NCT00860743
View directory record Official record
Conditions
Sleep Apnea Syndromes
Interventions
Antioxidant cocktail
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years to 40 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 1, 2017 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Astaxanthin in Healthy Participants

NCT05376501
View directory record Official record
Conditions
Healthy
Interventions
Astaxanthin, Placebo
Dietary Supplement · Other
Lead sponsor
LycoRed Ltd.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Richardson, Texas
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Phase 3 Interventional Results available

Pioglitazone vs Vitamin E vs Placebo for Treatment of Non-Diabetic Patients With Nonalcoholic Steatohepatitis (PIVENS)

NCT00063622
View directory record Official record
Conditions
Liver Diseases
Interventions
Pioglitazone, Vitamin E, Matching placebo
Drug · Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
8
States / cities
San Diego, California • San Francisco, California • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2018 · Synced Oct 26, 2026, 10:02 PM EDT
Withdrawn Not applicable Interventional

Omega 3 Supplementation and Ocular Surface Disease in Glaucoma

NCT01630551
View directory record Official record
Conditions
Ocular Surface Disease
Interventions
Fishoil supplement, Olive Oil
Dietary Supplement
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Oct 26, 2026, 10:02 PM EDT
Not listed Not applicable Interventional

Prevention of Capsular Contracture Using Trental and Vitamin E

NCT01082003
View directory record Official record
Conditions
Capsular Contractures
Interventions
Trental
Drug
Lead sponsor
Legacy Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 28, 2013 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Phase 3 Interventional Results available

Vitamin E in Preventing Peripheral Neuropathy Caused by Chemotherapy in Patients Receiving Chemotherapy for Cancer

NCT00363129
View directory record Official record
Conditions
Neurotoxicity, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
vitamin E, placebo
Dietary Supplement · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
69
States / cities
Bloomington, Illinois • Canton, Illinois • Carthage, Illinois + 46 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2016 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Examining the Effect of Mental Health Disorders on Vascular Function and Exercise Tolerance

NCT03216980
View directory record Official record
Conditions
Mental Health Disorders
Interventions
PTSD/GAD Antioxidant, PTSD/GAD Placebo, Healthy Control Antioxidant, Healthy Control Placebo
Dietary Supplement
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 25, 2021 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Phase 4 Interventional

Double-Blind, Placebo-Controlled Trial of Vitamin E as Add-on Therapy for Children With Epilepsy

NCT00004637
View directory record Official record
Conditions
Epilepsy
Interventions
Vitamin E
Drug
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
1 Year to 18 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 26, 2026, 10:02 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

OMTrigger Inject- Treating Trigger Points: Comparing Muscle Energy Technique vs. Lidocaine Needling Technique

NCT05009264
View directory record Official record
Conditions
Myofascial Pain Syndrome
Interventions
OMT
Procedure
Lead sponsor
AtlantiCare Regional Medical Center
Other
Eligibility
25 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Atlantic City, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 26, 2026, 10:02 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 9, 2009 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Phase 2 Interventional

Antioxidant Therapy in Lean and Obese Asthmatics

NCT01317563
View directory record Official record
Conditions
Asthma
Interventions
Vitamins A, E, C & Selenium, Placebo
Dietary Supplement
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
12 Years to 25 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 22, 2016 · Synced Oct 26, 2026, 10:02 PM EDT
Not listed Phase 2 Interventional

How Does Manual Therapy Improve Low Back Pain for Soldiers?

NCT00394264
View directory record Official record
Conditions
Low Back Pain
Interventions
Soft Tissue, Myofascial release, Counterstrain, Muscle energy, Sacro-iliac articulation, High-velocity, low amplitude
Procedure
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
17 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Fort Lewis, Washington
Source: ClinicalTrials.gov public record
Updated Oct 31, 2006 · Synced Oct 26, 2026, 10:02 PM EDT
Not listed Not applicable Interventional

Evaluation of the Wear of Vitamin E Treated Polyethylene Components in Primary THA Using RSA

NCT00551967
View directory record Official record
Conditions
Osteoarthritis of Hip, Traumatic Arthritis of Hip
Interventions
Hip replacement
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
20 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Phase 2 Interventional Results available

Alii Supplement Study

NCT07271316
View directory record Official record
Conditions
Nutrient Deficiency, Happiness, Digestive Health, Vulnerability to Disease, Mood Swings, Energy
Interventions
Alii Supplement
Dietary Supplement
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Randomized Controlled Trial Testing The Effect Of A Multi-Nutrient Fortified Juice

NCT01909063
View directory record Official record
Conditions
Vitamin D Deficiency, Hypovitaminosis A, Vitamin E Deficiency
Interventions
Vitamin D, Vitamin D, Vitamin E, and Vitamin A, Control, 700 mg Calcium
Dietary Supplement
Lead sponsor
Boston University
Other
Eligibility
6 Years to 10 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Efficacy and Safety of Clear Skin Formula on Mitigating Mild to Moderate Non-cystic Acne

NCT05879406
View directory record Official record
Conditions
Non-Cystic Acne
Interventions
VitaMedica® Clear Skin Formula capsules, Placebo Capsules
Dietary Supplement · Other
Lead sponsor
Ablon Skin Institute Research Center
Other
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Manhattan Beach, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2025 · Synced Oct 26, 2026, 10:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of a Multi-vitamin Supplement in Adult Females

NCT03828097
View directory record Official record
Conditions
Health, Subjective
Interventions
Experimental supplement, Placebo
Dietary Supplement
Lead sponsor
Auburn University
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 28, 2020 · Synced Oct 26, 2026, 10:02 PM EDT