- Conditions
- Diabetes Mellitus, Diabetic Retinopathy
- Interventions
- EyePromise DVS, EyePromise DVS plus EyePromise EZTears
- Dietary Supplement
- Lead sponsor
- ZeaVision, LLC
- Industry
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina
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 49–72
of 186
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Endothelial Dysfunction
- Interventions
- Dietary nitrate in the form of beetroot juice for all participnats, Nature Made vitamin c 1000 mg, Placebo
- Dietary Supplement
- Lead sponsor
- David Travis Thomas
- Other
- Eligibility
- 50 Years to 70 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 2
- States / cities
- Lexington, Kentucky
- Conditions
- Sub-optimal Cognitive Function, Sub-optimal Immune Function
- Interventions
- Ginkgo Synergy® and Choline, OPC Synergy® and Catalyn, Placebo
- Dietary Supplement
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 97 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- COVID-19, Acute Respiratory Distress Syndrome, SARS-CoV-2, Hypoxemia
- Interventions
- Rejuveinix (RJX) Active Comparator, Placebo Comparator
- Drug
- Lead sponsor
- Reven Pharmaceuticals, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 237 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 3
- States / cities
- Houston, Texas • New Braunfels, Texas
- Conditions
- Vitamin D Deficiency
- Interventions
- Redoxon VI, placebo
- Dietary Supplement
- Lead sponsor
- Oregon State University
- Other
- Eligibility
- 55 Years to 75 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Corvallis, Oregon
- Conditions
- Hypercholesterolemia
- Interventions
- Citrus Limonoid Beverage, Placebo beverage
- Dietary Supplement
- Lead sponsor
- USDA, Western Human Nutrition Research Center
- Federal
- Eligibility
- 20 Years to 65 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Soreness, Muscle, Performance Enhancing Product Use, Damage Muscle
- Interventions
- Pre-workout plus and protein recovery plus, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Pharmanex
- Industry
- Eligibility
- 25 Years to 50 Years
- Enrollment
- 32 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Pharmacokinetics
- Interventions
- Liposomal vitamin C, 1 gram, Liposomal vitamin C, 2 grams, Liposomal vitamin C, 5 grams, Placebo
- Dietary Supplement
- Lead sponsor
- Natural Immune Systems Inc
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Klamath Falls, Oregon
- Conditions
- Peripheral Arterial Disease
- Interventions
- atorvastatin, ascorbic acid, Placebo
- Drug
- Lead sponsor
- Boston University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 108 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2012
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Diabetes Mellitus, Type 1
- Interventions
- Antioxidant Cocktail, Resveratrol, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 143 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2023
- U.S. locations
- 2
- States / cities
- Augusta, Georgia
- Conditions
- Fragile X Syndrome
- Interventions
- 5-Hydroxytryptophan, Ergoloid Mesylates, Matching placebo for Ergoloid mesylates, Matching placebo for 5-Hydroxytryptophan
- Drug
- Lead sponsor
- Elizabeth Berry-Kravis
- Other
- Eligibility
- 18 Years to 45 Years · Male only
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Pain
- Interventions
- effervescent ibuprofen tablets, effervescent Aspirin plus Vitamin C tablets, ibuprofen tablets, placebo
- Drug
- Lead sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
- Industry
- Eligibility
- 16 Years to 40 Years
- Enrollment
- 270 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Austin, Texas
- Conditions
- Dietary Supplements, Connective Tissue, Exercise
- Interventions
- Natural Product Supplement, Placebo control
- Dietary Supplement
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years to 30 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Covid19, SARS-CoV Infection
- Interventions
- Vitamin C, melatonin, Placebo, Symptom Survey
- Dietary Supplement · Other
- Lead sponsor
- Lancaster General Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 122 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Lancaster, Pennsylvania
- Conditions
- Septic Shock
- Interventions
- Thiamine and Vitamin C
- Dietary Supplement
- Lead sponsor
- Corewell Health South
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Saint Joseph, Michigan
- Conditions
- Male Infertility
- Interventions
- Antioxidant Supplement, Placebo
- Drug · Other
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 171 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 10
- States / cities
- Los Angeles, California • San Francisco, California • Sunnyvale, California + 7 more
- Conditions
- Excessive Physical Exercise, Unspecified
- Interventions
- Arginine antioxidant supplements, Placebo
- Dietary Supplement
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 50 Years to 75 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2005
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Photodamaged Skin
- Interventions
- Vitamin C with AHA Exfoliative Serum, Placebo serum
- Drug
- Lead sponsor
- Austin Institute for Clinical Research
- Network
- Eligibility
- 30 Years to 65 Years · Female only
- Enrollment
- 34 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Pflugerville, Texas
- Conditions
- Asthma, Pulmonary Function, Wheezing, In Utero Nicotine
- Interventions
- No active intervention
- Other
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 6 Months to 4 Years
- Enrollment
- 242 participants
- Timeline
- 2017 – 2024
- U.S. locations
- 2
- States / cities
- Indianapolis, Indiana • Portland, Oregon
- Conditions
- Diabetes
- Interventions
- Study Arm A, Study Arm B, Study Arm C, Study Arm D
- Dietary Supplement
- Lead sponsor
- University of New Mexico
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2008
- U.S. locations
- 1
- States / cities
- Albuquerque, New Mexico
- Conditions
- Sickle Cell Disease
- Interventions
- Isoquercetin, Placebo
- Drug
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
- NIH
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Lumbar Spine Surgery
- Interventions
- Vitamin C, Placebo
- Dietary Supplement
- Lead sponsor
- University of Kansas Medical Center
- Other
- Eligibility
- 45 Years to 80 Years
- Enrollment
- 55 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Kansas City, Kansas
- Conditions
- Heart Failure
- Interventions
- Vitamin C 500 mg, Vitamin C 1000 mg, Placebo
- Dietary Supplement · Other
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Iron Deficiency Anemia
- Interventions
- Ferumoxytol, Saline, Ferrous sulfate tablets, Vitamin C
- Drug
- Lead sponsor
- Auerbach Hematology Oncology Associates P C
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 104 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland