- Conditions
- Fractional Calcium Absorption
- Interventions
- Not listed
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 53 Years to 65 Years · Female only
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007
- U.S. locations
- 1
- States / cities
- Ithaca, New York
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 48
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Vitamin D Deficiency
- Interventions
- High Dose Vitamin D3, Low Dose Vitamin D3, Placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- Up to 75 Years · Female only
- Enrollment
- 230 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Chronic Kidney Disease, Vitamin D Deficiency, Coronary Calcification, Disorders of Calcium and Bone Metabolism
- Interventions
- Calcitriol (Rocaltrol®), Paricalcitol
- Drug
- Lead sponsor
- Joslin Diabetes Center
- Other
- Eligibility
- 25 Years and older
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Weight Loss, Bone Density
- Interventions
- Caloric restriction, high protein, Caloric restriction; normal protein, Counseling
- Behavioral
- Lead sponsor
- Rutgers University
- Other
- Eligibility
- 50 Years to 70 Years · Female only
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- New Brunswick, New Jersey
- Conditions
- Bariatric Surgery Candidate, Vitamin Deficiency, Mineral Deficiency
- Interventions
- Patch MD MultiVitamin Plus patch
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 99 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2021
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Phosphorus and Calcium Disorders, Chronic Kidney Disease Mineral and Bone Disorder, Chronic Kidney Diseases
- Interventions
- High Phosphorus Diet, Low Phosphorus Diet
- Other
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 30 Years to 75 Years
- Enrollment
- 3 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Type 1 Diabetes
- Interventions
- Autologous UCB, Omega 3 FA, Vitamin D
- Biological · Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 1 Year to 18 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Osteoporosis, Osteopenia, Vitamin D Deficiency, Hypoparathyroidism, Hypercalciuria, Hypercalcemia
- Interventions
- Vitamin D
- Drug
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 50 Years to 66 Years · Female only
- Enrollment
- 19 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2008
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Dietary Zinc Absorption
- Interventions
- Moderate Calcium, Low phytate Diet, Moderate Calcium, High Phytate Diet, High Calcium, Low Phytate Diet, High Calcium, High Phytate Diet
- Dietary Supplement
- Lead sponsor
- USDA Grand Forks Human Nutrition Research Center
- Federal
- Eligibility
- 21 Years to 50 Years · Female only
- Enrollment
- 17 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2006
- U.S. locations
- 1
- States / cities
- Grand Forks, North Dakota
- Conditions
- Weight Loss, Vitamin D or Placebo
- Interventions
- Weight Loss, Vitamin D 2500 IU, Weight Maintenance
- Behavioral · Dietary Supplement
- Lead sponsor
- Rutgers University
- Other
- Eligibility
- 50 Years to 72 Years · Female only
- Enrollment
- 83 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2011
- U.S. locations
- 1
- States / cities
- New Brunswick, New Jersey
- Conditions
- Aging
- Interventions
- Soluble corn fiber
- Dietary Supplement
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 60 Years and older · Male only
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Breast Cancer
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Katherine D. Crew
- Other
- Eligibility
- 21 Years and older · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2013
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Osteoporosis
- Interventions
- esomeprazole, Placebo
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2008
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Osteoporosis
- Interventions
- Soluble Corn Fiber (SCF) without Calcium, Soluble Corn Fiber (SCF) + Calcium, Placebo, Placebo + calcium
- Dietary Supplement · Combination Product
- Lead sponsor
- Florida International University
- Other
- Eligibility
- 9 Years to 14 Years
- Enrollment
- 177 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2025
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Mineral Absorption
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 4 Years to 8 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Chronic Kidney Disease, End Stage Renal Disease, Vitamin D Deficiency
- Interventions
- cholecalciferol
- Dietary Supplement
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Breast Cancer
- Interventions
- Cholecalciferol, Placebo capsule
- Drug
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 21 Years and older · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2015
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Osteoporosis
- Interventions
- 0 grams SCF, 10 grams SCF, 20 grams SCF
- Dietary Supplement
- Lead sponsor
- Purdue University
- Other
- Eligibility
- 9 Years to 13 Years · Female only
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- West Lafayette, Indiana
- Conditions
- Pregnancy
- Interventions
- Encapsulated Calcium, Non-capsulated Calcium
- Dietary Supplement
- Lead sponsor
- The Hospital for Sick Children
- Other
- Eligibility
- 18 Years to 30 Years · Female only
- Enrollment
- 61 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013
- U.S. locations
- 2
- States / cities
- Baltimore, Maryland • Houston, Texas
- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease
- Interventions
- Zemplar, 42 Ca carbonate absorption via single tracer method, Calcijex
- Drug · Procedure
- Lead sponsor
- Abbott
- Industry
- Eligibility
- 20 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2004
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Weight Loss, BMD
- Interventions
- Weight Loss, Weight Maintenance
- Behavioral
- Lead sponsor
- Rutgers University
- Other
- Eligibility
- 50 Years to 72 Years · Male only
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2012
- U.S. locations
- 1
- States / cities
- New Brunswick, New Jersey
- Conditions
- Nutrition Status
- Interventions
- Carotenoid Nutritional Supplement, Placebo
- Dietary Supplement
- Lead sponsor
- Pharmanex
- Industry
- Eligibility
- 20 Years to 65 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Provo, Utah
- Conditions
- Osteoporosis
- Interventions
- SB-751689 oral tablets (400 mg)
- Drug
- Lead sponsor
- GlaxoSmithKline
- Industry
- Eligibility
- 40 Years to 65 Years · Female only
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- Started 2007
- U.S. locations
- 1
- States / cities
- Port Orange, Florida
- Conditions
- Osteoporosis, Sarcopenia
- Interventions
- potassium bicarbonate, Placebo (microcrystalline cellulose)
- Dietary Supplement
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts