- Conditions
- Macular Edema, Diabetes Mellitus
- Interventions
- Vitamin E
- Drug
- Lead sponsor
- National Eye Institute (NEI)
- NIH
- Eligibility
- Not listed
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2004
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
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 25–48
of 101
matching trials from the live ClinicalTrials.gov search.
- 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
- Endothelial Dysfunction
- Interventions
- Sapropterin Dihydrochloride, Sapropterin Dihydrochloride and Vitamin C
- Drug
- Lead sponsor
- BioMarin Pharmaceutical
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Hackensack, New Jersey
- Conditions
- Heart Failure, Vitamin D Deficiency, Cardiomyopathy, Congestive Heart Failure
- Interventions
- Placebo Comparator: Sugar Pill, Vitamin D3 (cholecalciferol)
- Drug
- Lead sponsor
- Heidi Moretti, MS, RD
- Other
- Eligibility
- Not listed
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 2
- States / cities
- Missoula, Montana
- Conditions
- Myelodysplastic Syndromes, Chronic Myelomonocytic Leukemia-1, Cytopenia
- Interventions
- Vitamin C (ascorbic acid), Placebo
- Dietary Supplement · Other
- Lead sponsor
- Copenhagen University Hospital, Rigshospitalet
- 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
- Asthma
- Interventions
- Vitamin
- Dietary Supplement
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2007
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Cirrhosis of the Liver
- Interventions
- SB-1121(1), SB-1121(2)
- Drug
- Lead sponsor
- Nguyen Thi Trieu, MD
- Individual
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 134 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2021
- U.S. locations
- 1
- States / cities
- Wilmington, Delaware
- Conditions
- Asthma, Wheezing, In Utero Nicotine, Pulmonary Function
- Interventions
- No current intervention
- Other
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 6 Months to 11 Years
- Enrollment
- 395 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2024
- U.S. locations
- 2
- States / cities
- Indianapolis, Indiana • Portland, Oregon
- Conditions
- Metastatic Pancreatic Cancer
- Interventions
- Ascorbic Acid, nab paclitaxel, Cisplatin, Gemcitabine
- Drug
- Lead sponsor
- Piedmont Cancer Institute
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 3
- States / cities
- Atlanta, Georgia • Fayetteville, Georgia • Newnan, Georgia
- Conditions
- Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia
- Interventions
- Vitamin C, Placebo
- Dietary Supplement
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 8 Years to 25 Years
- Enrollment
- 53 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Wrinkle, Skin Pigmentation
- Interventions
- THDA + Acetyl Zingerone Topical Product, THDA
- Other
- Lead sponsor
- Integrative Skin Science and Research
- Industry
- Eligibility
- 30 Years to 65 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Sacramento, California
- Conditions
- Disorder of Vitamin C, Atrial Fibrillation, Complications Due to Coronary Artery Bypass Graft, Heart Valve Disease
- Interventions
- Ascorbic Acid, Placebo
- Drug
- Lead sponsor
- Virginia Commonwealth University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Richmond, Virginia
- Conditions
- Iron Deficiency
- Interventions
- Vitamin C
- Dietary Supplement
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 4 Years to 8 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Hepatitis C
- Interventions
- Telaprevir, Peginterferon alfa-2a, Ribavirin, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Timothy Morgan, MD
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2013
- U.S. locations
- 4
- States / cities
- Long Beach, California • Minneapolis, Minnesota • Kansas City, Missouri + 1 more
- Conditions
- Stage I Multiple Myeloma, Stage II Multiple Myeloma, Stage III Multiple Myeloma, Refractory Plasma Cell Neoplasm
- Interventions
- arsenic trioxide, ascorbic acid, dexamethasone, thalidomide, anti-cytokine therapy, antiangiogenesis therapy, biological therapy, chemotherapy, drug resistance inhibition, growth factor antagonist therapy, non-specific immune-modulator therapy
- Drug · Procedure
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Hepatitis C
- Interventions
- ascorbic acid (vitamin C)
- Dietary Supplement
- Lead sponsor
- Health Innovations, Frontier Research Institute
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Kansas City, Kansas
- 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
- Carcinoma, Non-Small-Cell Lung
- Interventions
- Paclitaxel, Carboplatin, Ascorbic Acid
- Drug
- Lead sponsor
- Joseph J. Cullen, MD, FACS
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 55 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2022
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Multiple Myeloma, Stem Cell Transplantation
- Interventions
- Arsenic Trioxide, Melphalan, Ascorbic Acid
- Drug
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- Up to 70 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2007
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Pancreatic Cancer
- Interventions
- G-FLIP, G-FLIP-DM, Vitamin C
- Drug · Dietary Supplement
- Lead sponsor
- Bruckner Oncology
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 34 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2020
- U.S. locations
- 1
- States / cities
- The Bronx, New York
- Conditions
- Pancreatic Neoplasms
- Interventions
- Gemcitabine with escalating ascorbic acid
- Drug
- Lead sponsor
- Joseph J. Cullen
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2013
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- COVID-19, Coronavirus Infection, Sars-CoV2, Corona Virus Infection, COVID, Coronavirus, Coronavirus-19, Coronavirus 19
- Interventions
- Hydroxychloroquine, Vitamin C, Vitamin D, Zinc
- Drug · Dietary Supplement
- Lead sponsor
- ProgenaBiome
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 254 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- Ventura, 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
- 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