- 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
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.
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Showing 1–24
of 49
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- 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
- Parkinson's Disease
- Interventions
- Oxaloacetate (OAA), Placebo
- Drug
- Lead sponsor
- University of Kansas Medical Center
- Other
- Eligibility
- 30 Years and older
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Kansas City, Kansas
- Conditions
- Myelodysplastic Syndromes
- Interventions
- High-dose ascorbate, Azacitidine
- Drug
- Lead sponsor
- Prajwal Dhakal
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 38 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2029
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- 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
- Colon Cancer Screening
- Interventions
- Chewing Sugar-Free Gum During Bowel Preparation, Standard Bowel Prep (2L PEG-ELP), Standard Bowel Prep
- Behavioral · Other
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 45 Years to 75 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Towson, Maryland
- Conditions
- Soft Tissue Sarcoma, Bone Sarcoma, Unresectable Soft Tissue Sarcoma, Metastatic Bone Sarcoma, Metastatic Soft-tissue Sarcoma, Unresectable Bone Sarcoma
- Interventions
- Ascorbate, Gemcitabine
- Drug
- Lead sponsor
- David Dickens
- Other
- Eligibility
- 13 Years to 17 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Oxidative Stress, Alzheimer's Disease, Aging
- Interventions
- Not listed
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 65 Years to 89 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Noise-Induced Hearing Loss
- Interventions
- beta-carotene, vitamins C and E, magnesium, Placebo
- Drug · Other
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 72 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Sarcoma, Soft Tissue Sarcoma, Unresectable Soft Tissue Sarcoma, Metastatic Bone Tumor, Bone Sarcoma
- Interventions
- Ascorbate, Gemcitabine
- Drug
- Lead sponsor
- Mohammed Milhem, MBBS
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Chronic Obstructive Pulmonary Disease, Pulmonary Artery Hypertension, Heart Failure, Hypertension
- Interventions
- Maximum Exercise Tests, BH4, L-NMMA, Vitamin C, Vitamin E, α-Lipoic Acid and L-Ascorbate, BQ-123, Fexofenadine, Ranitidine, Angiotensin-II, Valsartan, Acetylcholine, Sodium Nitroprusside, Angiotensin-II, Norepinephrine, Phentolamine, BQ-123, MitoQ, BH4
- Other · Drug
- Lead sponsor
- Russell Richardson
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 420 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2026
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Glioblastoma, GBM, Glioblastoma Multiforme
- Interventions
- Ascorbate, Temozolomide, Radiation therapy
- Drug · Radiation
- Lead sponsor
- Joseph J. Cullen, MD, FACS
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 13 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2019
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Pancreatic Adenocarcinoma Metastatic, BRCA1 Mutation, BRCA2 Mutation, Pancreatic Acinar Cell Carcinoma, Pancreatic Ductal Adenocarcinoma, Pancreatic Cancer, Metastatic Pancreatic Cancer, Metastatic Pancreatic Ductal Adenocarcinoma, Breast Cancer Metastatic, Breast Cancer Stage IV, Pancreatic Cancer Stage IV, HER2-negative Breast Cancer, HER2 Negative Breast Carcinoma, Adenocarcinoma of the Breast, PALB2 Gene Mutation, Pancreas Cancer, Metastatic, Pancreas Cancer, Recurrent, Pancreas Cancer, Stage IV Pancreatic Cancer, Stage 4 Pancreatic Cancer
- Interventions
- Melphalan, BCNU, Vitamin B12B, Vitamin C, Autologous Hematopoietic Stem Cells
- Drug · Device
- Lead sponsor
- General Oncology, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2028
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts • New York, New York
- Conditions
- Pancreatic Neoplasm
- Interventions
- Ascorbate, Gemcitabine, radiation therapy
- Drug · Radiation
- Lead sponsor
- Joseph J. Cullen, MD, FACS
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2030
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Thyroid Cancer
- Interventions
- 68Ga-DOTA-TATE PET Scan, Amino acid infusions, 177Lu-DOTA-EB-TATE
- Diagnostic Test · Other · Drug
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2032
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- 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
- Metastatic Hepatocellular Carcinoma, Advanced Liver Cancer
- Interventions
- Ascorbic Acid + Sorafenib, Sorafenib
- Drug
- Lead sponsor
- Thomas Jefferson University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Carcinoma, Non-Small-Cell Lung, Non-Small Cell Lung Cancer, Nonsmall Cell Lung Cancer, Non-Small-Cell Lung Carcinoma, NSCLC
- Interventions
- Radiation Therapy, Paclitaxel, Carboplatin, Ascorbic Acid
- Drug
- Lead sponsor
- Joseph J. Cullen, MD, FACS
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2027
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Gestational Diabetes, Vascular Endothelial Function
- Interventions
- Acetylcholine, insulin aspart
- Drug
- Lead sponsor
- Anna Stanhewicz, PhD
- Other
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 28 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Claudication, Intermittent, Peripheral Artery Disease, Peripheral Vascular Diseases
- Interventions
- Tetrahydrobiopterin 10 mg/kg, Tetrahydrobiopterin 20 mg/kg, L-Ascorbate, L-Arginine
- Drug
- Lead sponsor
- Louis Messina
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2027
- U.S. locations
- 1
- States / cities
- Worcester, Massachusetts
- Conditions
- Plasma Cell Disorder
- Interventions
- 75gm HDAA, 100gm HDAA, 125gm HDAA
- Drug
- Lead sponsor
- University of Arkansas
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2028
- U.S. locations
- 1
- States / cities
- Little Rock, Arkansas
- Conditions
- Sarcoma, Soft Tissue Sarcoma, Unresectable Soft Tissue Sarcoma, Metastatic Bone Tumor, Bone Sarcoma
- Interventions
- Ascorbate
- Drug
- Lead sponsor
- University of Iowa
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Critical Limb Ischemia, Diabetes
- Interventions
- Edetate Disodium, Placebo
- Drug · Other
- Lead sponsor
- Mt. Sinai Medical Center, Miami
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2027
- U.S. locations
- 1
- States / cities
- Miami Beach, Florida
- Conditions
- Acute Myeloid Leukemia
- Interventions
- Azacitidine, Venetoclax, High-dose ascorbate, Decitabine
- Drug
- Lead sponsor
- Kittika Poonsombudlert
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2029
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa