- Conditions
- Glutathione-cyclodextrin Complex Absorption
- Interventions
- Glutaryl Solution, Placebo Solution
- Dietary Supplement
- Lead sponsor
- Western University of Health Sciences
- Other
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Pomona, California
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 1–24
of 367
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Healthy Volunteers
- Interventions
- Hydrolyzed collagen, Vitamin C, Optimized Hydrolyzed Collagen and Vitamin C, Gummy Placebo
- Dietary Supplement
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years to 25 Years · Male only
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Squamous Cell Cancer, Squamous Cell Carcinoma, Skin Cancer, Non-melanoma Skin Cancer
- Interventions
- 30% ascorbic acid in DMSO
- Drug
- Lead sponsor
- Center for Biomedical Research, Inc.
- Industry
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Boise, Idaho
- 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
- Conditions
- COVID-19, Lung Injury, Acute, Kidney Injury
- Interventions
- L-ascorbic acid, Placebo
- Drug · Other
- Lead sponsor
- Virginia Commonwealth University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 47 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Richmond, Virginia
- Conditions
- COVID, Corona Virus Infection
- Interventions
- Ascorbic Acid, Zinc Gluconate, Ascorbic Acid and Zinc Gluconate, Standard of Care
- Dietary Supplement · Other
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 214 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 2
- States / cities
- Weston, Florida • Cleveland, Ohio
- Conditions
- Stage II Multiple Myeloma, Stage III Multiple Myeloma, Refractory Plasma Cell Neoplasm
- Interventions
- arsenic trioxide, ascorbic acid, melphalan, chemosensitization/potentiation, chemotherapy
- Drug · Procedure
- Lead sponsor
- Oncotherapeutics
- Industry
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- U.S. locations
- 19
- States / cities
- Glendale, Arizona • Bakersfield, California • Campbell, California + 16 more
- Conditions
- Vaginal Health, Vaginal pH
- Interventions
- Flora Power Probiotic Vaginal Suppository
- Dietary Supplement
- Lead sponsor
- Love Wellness
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Santa Monica, California
- Conditions
- Pancreatic Neoplasms, Pancreatic Cancer
- Interventions
- Gemcitabine with escalating ascorbic acid
- Drug
- Lead sponsor
- Joseph J. Cullen
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Venous Thromboembolism, Metastatic Pancreatic Cancer, Locally Advanced Pancreatic Adenocarcinoma
- Interventions
- Kinisoquin™, Placebo
- Drug
- Lead sponsor
- Quercis Pharma AG
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 480 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2029
- U.S. locations
- 3
- States / cities
- Ventura, California • Miami Lakes, Florida • Boston, Massachusetts
- 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
- Immune System Diseases
- Interventions
- HLNatural Immune
- Dietary Supplement
- Lead sponsor
- Hawthorne Effect Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Lafayette, California
- 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
- Cardiovascular Disease
- Interventions
- Vitamin C, Vitamin E, Placebo
- Dietary Supplement
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 396 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2008
- U.S. locations
- 1
- States / cities
- Berkeley, California
- Conditions
- Familial Hypercholesterolemia
- Interventions
- LDL Apheresis
- Procedure
- Lead sponsor
- Emory University
- Other
- Eligibility
- 3 Years to 70 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- 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
- Atrial Fibrillation
- Interventions
- Ascorbic Acid, Identical Placebo
- Drug · Other
- Lead sponsor
- Regional Hospital of Scranton
- Other
- Eligibility
- 50 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Scranton, Pennsylvania
- Conditions
- Covid19, MIS-C Associated with COVID-19, MIS-C Multisystem Inflammatory Syndrome in Children, SARS-CoV2 Infection
- Interventions
- Not listed
- Lead sponsor
- Children's National Research Institute
- Other
- Eligibility
- 0 Years to 21 Years
- Enrollment
- 5,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2027
- U.S. locations
- 2
- States / cities
- Washington D.C., District of Columbia • Bethesda, Maryland
- 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
- Smoking, Endothelial Dysfunction
- Interventions
- Charcoal hookah, E-coal hookah, Cigarette, Carbon Monoxide inhalation, Room Air inhalation, vitamin C, tadalafil
- Other · Drug
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 21 Years to 49 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Healthy Volunteers
- Interventions
- Vitamin C
- Other
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1997 – 2019
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- 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
- Conditions
- Preeclampsia
- Interventions
- Dietary Supplement/Vitamins, Placebo for Vitamin C and Vitamin E
- Drug
- Lead sponsor
- The George Washington University Biostatistics Center
- Other
- Eligibility
- Female only
- Enrollment
- 10,154 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2003 – 2009
- U.S. locations
- 16
- States / cities
- Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 13 more
- Conditions
- Anaplastic Astrocytoma, Anaplastic Oligodendroglioma, Anaplastic Oligoastrocytoma, Glioblastoma, Gliosarcoma
- Interventions
- ascorbic acid, temozolomide, quality-of-life assessment, laboratory biomarker analysis
- Dietary Supplement · Drug · Other
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 4 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska