- 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
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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–24
of 367
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Blood Pressure, Endothelial Dysfunction
- Interventions
- Plant based bioequivalent Nitrate supplementation, Placebo
- Dietary Supplement
- Lead sponsor
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
- Other
- Eligibility
- 40 Years to 75 Years
- Enrollment
- 67 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Torrance, California
- Conditions
- Type 2 Diabetes Mellitus
- Interventions
- Vitamin D3 2000 international units daily, Vitamin C 500mg daily
- Dietary Supplement
- Lead sponsor
- ProMedica Health System
- Other
- Eligibility
- 21 Years to 75 Years
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 3
- States / cities
- Sylvania, Ohio • Toledo, Ohio
- Conditions
- Malignant Glioma
- Interventions
- Bevacizumab, Temozolomide, Vitamin C
- Drug · Dietary Supplement
- Lead sponsor
- Vanderbilt-Ingram Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2022
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Females, Males, Menopause, Sedentary, Healthy Participants
- Interventions
- Vitamin C (Ascorbic Acid)
- Dietary Supplement
- Lead sponsor
- University of Virginia
- Other
- Eligibility
- 45 Years and older
- Enrollment
- 1 participant
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Charlottesville, Virginia
- Conditions
- Charcot-Marie-Tooth Disease, Type Ia
- Interventions
- Ascorbic acid (Vitamin C), placebo
- Drug
- Lead sponsor
- Wayne State University
- Other
- Eligibility
- 13 Years to 70 Years
- Enrollment
- 110 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2012
- U.S. locations
- 3
- States / cities
- Baltimore, Maryland • Detroit, Michigan • Rochester, New York
- Conditions
- Knee Osteoarthritis
- Interventions
- Stem Cell Support Formula, Placebo
- Dietary Supplement
- Lead sponsor
- Regenexx, LLC
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 2
- States / cities
- Broomfield, Colorado • Lone Tree, Colorado
- Conditions
- Hypertension, Cardiovascular Diseases
- Interventions
- Ascorbic acid solution (American Regent Laboratories Inc.), Saline
- Drug
- Lead sponsor
- University of Kansas Medical Center
- Other
- Eligibility
- 35 Years to 65 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2027
- U.S. locations
- 1
- States / cities
- Kansas City, Kansas
- Conditions
- Pancreatic Cancer
- Interventions
- Intravenous Vitamin C, Gemcitabine
- Drug
- Lead sponsor
- Jeanne Drisko, MD, CNS, FACN
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Kansas City, Kansas
- Conditions
- Skin Health, Skin Aging of Face and Hands, Healthy, Ecchymosis
- Interventions
- Cyruta Plus: A Whole-Food Based Vitamin C supplement containing organic buckwheat (aerial parts) juice powder, organic buckwheat flour, bovine adrenal Cytosol™ extract, oat flour, honey, ascorbic acid, Low Dose Vitamin C, High Dose Vitamin C
- Dietary Supplement
- Lead sponsor
- Standard Process Inc.
- Industry
- Eligibility
- 55 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Kannapolis, North Carolina
- Conditions
- Periorbital Area
- Interventions
- DIME Beauty Luminosity Eye Serum
- Other
- Lead sponsor
- Dime Beauty Co.
- Industry
- Eligibility
- 18 Years to 65 Years · Female only
- Enrollment
- 35 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Santa Monica, California
- Conditions
- Pancreatic Neoplasms, Cancer of Pancreas, Cancer of the Pancreas, Neoplasms, Pancreatic, Pancreas Cancer, Pancreas Neoplasms, Adenocarcinoma
- Interventions
- Gemcitabine, nab-paclitaxel, Pharmacological ascorbate
- Drug
- Lead sponsor
- University of Iowa
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2024
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Asthma
- Interventions
- Fish Oil, Ascorbic Acid, Fish Oil Placebo, Ascorbic Acid Placebo
- Dietary Supplement
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010
- U.S. locations
- 1
- States / cities
- Bloomington, Indiana
- Conditions
- Vitamin C Deficiency, Smoking, Surgery, Surgery--Complications, Wound, Wound Complication, Wound Infection, Wound Dehiscence, Wound of Skin, Mandible Fracture, Mandible Open Fracture, Mandible Closed Fracture, Mandibular Fractures, Ascorbic Acid Deficiency, Oxidative Stress, Inflammation
- Interventions
- Vitamin C, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Hennepin Healthcare Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2021
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Myelodysplastic Syndromes, Chronic Myelomonocytic Leukemia-1, Cytopenia
- Interventions
- Vitamin C (ascorbic acid), Placebo
- Dietary Supplement · Other
- Lead sponsor
- Rigshospitalet, Denmark
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 109 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2025
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- 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
- 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
- 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 – 2026
- U.S. locations
- 1
- States / cities
- Richmond, Virginia
- 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
- 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
- Conditions
- Hyperuricemia, Gout
- Interventions
- Vitamin C
- Dietary Supplement
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 135 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Vasoplegia
- Interventions
- Ascorbic Acid
- Drug
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Hyperpigmentation, Dark Spots
- Interventions
- Cosmetic dark spot corrector serum
- Other
- Lead sponsor
- Revision Skincare
- Industry
- Eligibility
- 25 Years to 65 Years · Female only
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Richardson, Texas
- Conditions
- Acne, Eczema, Skin Aging
- Interventions
- Hemptress Oil
- Other
- Lead sponsor
- Hemptress
- Industry
- Eligibility
- 21 Years to 65 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Santa Monica, California