- Conditions
- Weight Loss, Starvation
- Interventions
- Caloric Restriction, Protein, Exercise, Calcium and Vitamin D, Maltodextrin
- Other · Dietary Supplement
- Lead sponsor
- University of Nebraska Lincoln
- Other
- Eligibility
- 19 Years to 30 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Lincoln, Nebraska
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 145–168
of 959
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Hypovitaminosis D, Insulin Resistance, Diabetes
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Bastyr University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 66 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2011
- U.S. locations
- 2
- States / cities
- Kailua-Kona, Hawaii • Kenmore, Washington
- Conditions
- Nutrition, Healthy
- Interventions
- Experimental Oil with Phospholipids, Control Polyunsaturated Oil Blend
- Other
- Lead sponsor
- Abbott Nutrition
- Industry
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 26 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- North Canton, Ohio
- Conditions
- Obesity, Vitamin D Deficiency
- Interventions
- Vitamin D3 and Calcium
- Dietary Supplement
- Lead sponsor
- Vadim Sherman, MD
- Other
- Eligibility
- 18 Years to 65 Years · Female only
- Enrollment
- 37 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Vitamin D Deficiency
- Interventions
- Placebo, 800 IU/day vitamin D supplementation with feedings in the first 28 days after birth, Usual Care
- Dietary Supplement · Other
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 24 Hours to 96 Hours
- Enrollment
- 180 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Atherosclerosis
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Rockefeller University
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Chronic Kidney Disease, Vitamin D Deficiency
- Interventions
- Cholecalciferol, Placebo
- Drug
- Lead sponsor
- Atlanta VA Medical Center
- Federal
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2013
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease
- Interventions
- Paricalcitol, Ergocalciferol
- Drug
- Lead sponsor
- Salem Veterans Affairs Medical Center
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Salem, Virginia
- Conditions
- Cancer
- Interventions
- Vitamin D3, Calcium carbonate
- Dietary Supplement
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 55 Years and older · Female only
- Enrollment
- 2,303 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2015
- U.S. locations
- 1
- States / cities
- Fremont, Nebraska
- Conditions
- Vitamin D Status, Glucose Tolerance, Blood Pressure, Bone Mineral Density, Hyperlipidemia
- Interventions
- Vitamin D
- Other
- Lead sponsor
- Baltimore VA Medical Center
- Federal
- Eligibility
- 45 Years to 85 Years
- Enrollment
- 362 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2022
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Low 25-hydroxyvitamin D Concentrations
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 65 Years to 89 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- HIV-associated Co-morbidities
- Interventions
- conventional vitamin D treatment, tiered/titrated vitamin D dosing
- Dietary Supplement · Drug
- Lead sponsor
- Andrea Branch
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 62 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- T Cell Response to Dried Plum, Vitamin D Influence on Immune Response, Dried Plum and Immune Function
- Interventions
- Dried plums
- Dietary Supplement
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 60 Years to 75 Years · Female only
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- New Biomarkers for Measuring Vitamin D Level
- Interventions
- Vitamin D Supplementation, Placebo, Calcium
- Dietary Supplement · Other
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 60 Years to 90 Years · Female only
- Enrollment
- 444 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- End-stage Renal Disease
- Interventions
- Vitamin D3, Placebo
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Atopic Dermatitis, Eczema, DNA
- Interventions
- DNA reports, Information reports
- Behavioral
- Lead sponsor
- Studies&Me
- Industry
- Eligibility
- 18 Years and older
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Redwood City, California
- Conditions
- Psoriasis
- Interventions
- Calcipotriene 0.005% Foam
- Drug
- Lead sponsor
- Mayne Pharma International Pty Ltd
- Industry
- Eligibility
- 2 Years to 11 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2018
- U.S. locations
- 36
- States / cities
- Birmingham, Alabama • Rogers, Arkansas • Encino, California + 30 more
- Conditions
- Male Infertility
- Interventions
- Antioxidant Supplement, Placebo
- Drug · Other
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 171 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 10
- States / cities
- Los Angeles, California • San Francisco, California • Sunnyvale, California + 7 more
- Conditions
- Hyperparathyroidism
- Interventions
- Vitamin D, Four-dimensional computed tomography (4DCT)
- Drug · Device
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2018
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Burn, Growth, Malnutrition
- Interventions
- Calcium,Vitamin D, Calcium, VitaminD, Sugar Pill
- Dietary Supplement · Other
- Lead sponsor
- Kathy Prelack, PhD, RD
- Other
- Eligibility
- 4 Years to 18 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2007
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Hypertension
- Interventions
- Vitamin D-3 (cholecalciferol), 2000 IU, Omega-3 fatty acids (fish oil), Vitamin D placebo, Fish oil placebo
- Dietary Supplement · Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years to 99 Years
- Enrollment
- 25,875 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Reproductive Issues
- Interventions
- Vitamin D, Placebo
- Dietary Supplement · Other
- Lead sponsor
- National Institute of Environmental Health Sciences (NIEHS)
- NIH
- Eligibility
- 19 Years to 40 Years · Female only
- Enrollment
- 998 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 2
- States / cities
- Detroit, Michigan • Research Triangle Park, North Carolina
- Conditions
- Male Infertility, Klinefelter's Syndrome, Y-chromosome Microdeletions
- Interventions
- 13-cis retinoic acid, Calcitriol
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 21 Years to 60 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Breast, Breast Cancer, Osteoporosis
- Interventions
- High Dose Vitamin D, Standard of Care Vitamin D
- Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina