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Showing 1–24 of 194 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Prostate Cancer
Interventions
Vitamin D3, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
19 Years to 90 Years · Male only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
2
States / cities
Charleston, South Carolina
Conditions
Hand and Foot Syndrome
Interventions
Vitamin B 6, placebo
Drug
Lead sponsor
Cook County Health
Government
Eligibility
Not listed
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Malnutrition, Pancreatic Cancer
Interventions
proteolytic enzymes, gemcitabine hydrochloride, Gonzalez regimen
Biological · Drug · Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
New York, New York
Conditions
Cholesterol Lowering
Interventions
Sugar Pill, Chinese Red Yeast Rice (CRYR), CRYR + TRF, Tocotrienol-enriched Fraction of Palm Oil (TRF)
Drug · Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
35 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Terminated Phase 2 Interventional Results available

MemoryXL Effects on Mild Cognitive Impairment Patients

NCT00903695
Conditions
Mild Cognitive Impairment
Interventions
Memory XL, placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
55 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Conditions
Precancerous/Nonmalignant Condition, Prostate Cancer
Interventions
calcitriol, observation
Dietary Supplement · Procedure
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
5
States / cities
East Brunswick, New Jersey • Morristown, New Jersey • New Brunswick, New Jersey + 1 more
Completed Phase 2Phase 3 Interventional Results available

Vitamin D and Residual Beta-Cell Function in Type 1 Diabetes

NCT03046927
Conditions
Type 1 Diabetes
Interventions
Ergocalciferol, Placebo
Drug · Other
Lead sponsor
Benjamin U. Nwosu, MD
Other
Eligibility
10 Years to 21 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Worcester, Massachusetts
Completed Phase 2 Interventional Results available

Sunitinib or Cediranib for Alveolar Soft Part Sarcoma

NCT01391962
Conditions
Sarcoma, Alveolar Soft Part
Interventions
Cediranib, Sunitinib, Prochlorperazine, Promethazine, Benzodiazepine, Filgrastim, Sargramostim, Lomotil, Loperamide, Vitamin B6, Aquaphor, Acetaminophen, Levothyroxine, Warfarin
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
16 Years to 120 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Graves Disease, Graves' Disease, Hyperthyroidism
Interventions
Ergocalciferol 50,000 IU, Methimazole
Drug
Lead sponsor
Northwell Health
Other
Eligibility
9 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New Hyde Park, New York
Conditions
Skin Irritation
Interventions
4 placebo, 4 Vitamin D, Valchlor
Dietary Supplement · Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Anaplastic Medulloblastoma, Medulloblastoma
Interventions
Biospecimen Collection, Carboplatin, Cisplatin, Cyclophosphamide, Filgrastim, Isotretinoin, Lumbar Puncture, Magnetic Resonance Imaging, Quality-of-Life Assessment, Radiation Therapy, Vincristine Sulfate
Procedure · Drug · Biological + 2 more
Lead sponsor
Children's Oncology Group
Network
Eligibility
3 Years to 22 Years
Enrollment
379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2026
U.S. locations
170
States / cities
Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 126 more
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Vitamin C on Iron Absorption

NCT00570895
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
Prediabetes, Type 2 Diabetes (T2DM)
Interventions
Vitamin D (Cholecalciferol ), Placebo
Drug
Lead sponsor
Tufts Medical Center
Other
Eligibility
30 Years to 74 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Asthma
Interventions
Vitamins A, E, C & Selenium, Placebo
Dietary Supplement
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
12 Years to 25 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Small Cell Lung Cancer
Interventions
Paclitaxel, Drug: Ad.p53-DC vaccines, All -trans Retinoic Acid (ATRA)
Drug · Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2019
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Cholangitis, Sclerosing
Interventions
Oral all-trans retinoic acid (ATRA)
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
New Haven, Connecticut • Rochester, Minnesota
Conditions
Center-involved Diabetic Macular Edema (CI-DME)
Interventions
Diabetes Visual Function Study (DiVFuSS) softgels, canola oil placebo softgels, 2 per day
Dietary Supplement · Other
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Olympia, Washington • Tacoma, Washington
Conditions
Pyruvate Kinase Deficiency, Glucose 6 Phosphate Dehydrogenase Deficiency
Interventions
Vitamin C
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Osteoarthritis, Knee, Osteoarthritis, Hip, Avascular Necrosis, Rheumatoid Arthritis
Interventions
POPOP (preoperative patient optimization program), SOC (standard of care)
Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 80 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Advanced Lung Non-Small Cell Carcinoma, Recurrent Lung Non-Small Cell Carcinoma, Stage III Lung Cancer AJCC v8, Stage IIIA Lung Cancer AJCC v8, Stage IIIB Lung Cancer AJCC v8, Stage IIIC Lung Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IVA Lung Cancer AJCC v8, Stage IVB Lung Cancer AJCC v8
Interventions
Cobalamin, Dexamethasone, Docetaxel, Folic Acid, Gemcitabine, Nogapendekin Alfa, Pembrolizumab, Pemetrexed, Ramucirumab
Dietary Supplement · Drug · Biological
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
Not listed
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
350
States / cities
Birmingham, Alabama • Goodyear, Arizona • Little Rock, Arkansas + 280 more
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
Roux-en-Y Gastric Bypass Surgery, Laparoscopic Adjustable Gastric Banding, Lifestyle Weight Loss Intervention
Procedure · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
25 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Vitamin D Insufficiency
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Boston University
Other
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Improving Community Ambulation After Hip Fracture

NCT01783704
Conditions
Hip Fracture
Interventions
Nutrition, PUSH, PULSE
Dietary Supplement · Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
60 Years and older
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
4
States / cities
Farmington, Connecticut • Baltimore, Maryland • Lebanon, New Hampshire + 1 more
Conditions
Moderate to Extensive Hepatic Fibrosis (METAVIR F3-4)
Interventions
ND-L02-s0201 Injection
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Austin, Texas