- Conditions
- Type 2 Diabetes Mellitus (T2DM), Sarcopenia, Obesity, Muscle Loss, Older Adults
- Interventions
- Calcium-HMB Plus Vitamin D3, Matching placebo
- Dietary Supplement · Other
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 65 Years to 85 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2030
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
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 25–45
of 45
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D drops, 200 or 400 or 600 IU/day or 800 IU/day
- Dietary Supplement
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- NIH
- Eligibility
- 3 Weeks to 5 Weeks
- Enrollment
- 398 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2011
- U.S. locations
- 1
- States / cities
- Coralville, Iowa
- Conditions
- Magnesium Deficiency, Calcium Metabolism Disorders
- Interventions
- vitamin D3
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 30 Years to 75 Years · Female only
- Enrollment
- 39 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Colorectal Adenomatous Polyps
- Interventions
- Calcium and vitamin D3 combined, Placebo, Calcium, Vitamin D3
- Dietary Supplement · Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 30 Years to 74 Years
- Enrollment
- 92 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2013
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Osteoporosis, Postmenopausal, Osteoporosis, Osteoporotic Fractures
- Interventions
- denosumab, Placebo, Calcium and Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Susan L. Greenspan
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 201 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2023
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Hot Flushes, Menopause, Premature, Obesity, Vitamin D Deficiency
- Interventions
- Vitamin D, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Kaiser Permanente
- Other
- Eligibility
- 40 Years to 60 Years · Female only
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Systemic Lupus Erythematosus
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2014
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- 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
- Inflammatory Bowel Diseases, Vitamin D Deficiency
- Interventions
- Vitamin D (ergocalciferol and/ or cholecalciferol)
- Dietary Supplement
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 18 Years to 85 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Paget's Disease of the Bone, Hypocalcemia
- Interventions
- Reclast (ZOL446, zoledronic acid), Calcium, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- Not listed
- Enrollment
- 81 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2012
- U.S. locations
- 9
- States / cities
- Phoenix, Arizona • Tucson, Arizona • Gainesville, Georgia + 6 more
- Conditions
- Osteoporosis, Osteoporosis, Postmenopausal, Osteoporosis Fracture
- Interventions
- Romosozumab, Placebo, Zoledronic acid, Calcium and Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Susan L. Greenspan
- Other
- Eligibility
- 65 Years and older · Female only
- Enrollment
- 184 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2027
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Vitamin D Deficiency (10 ng/mL to 30 ng/mL)
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 70 Years and older
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Osteoporosis, Osteopenia
- Interventions
- Dried Plum, 800 IU vitamin D and 450mg elemental calcium
- Dietary Supplement
- Lead sponsor
- Florida State University
- Other
- Eligibility
- 50 Years to 80 Years · Male only
- Enrollment
- 62 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2022
- U.S. locations
- 1
- States / cities
- Tallahassee, Florida
- Conditions
- COVID-19, SARS-CoV 2
- Interventions
- Hydroxychloroquine, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Sanford Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1 participant
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Sioux Falls, South Dakota
- Conditions
- Hip Arthropathy, Knee Arthropathy, Vitamin D Deficiency
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 900 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2024
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteoporosis
- Interventions
- Teriparatide, Risedronate, Placebo, Calcium, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 50 Years and older
- Enrollment
- 224 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2015
- U.S. locations
- 6
- States / cities
- Fort Lauderdale, Florida • New Port Richey, Florida • Orlando, Florida + 3 more
- Conditions
- Vitamin D Deficiency, Sarcopenia
- Interventions
- vitamin D3, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 60 Years to 85 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Prematurity; Extreme
- Interventions
- Vitamin D supplementation, No additional vitamin D supplementation
- Dietary Supplement · Other
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 1 Day to 4 Days
- Enrollment
- 126 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Secondary Hyperparathyroidism Due to Renal Causes, Vitamin D Insufficiency, CKD Stage 3, CKD Stage 4
- Interventions
- Calcifediol Oral Capsule, Calcifediol Oral Product, Cholecalciferol, Paricalcitol Oral Capsule
- Drug
- Lead sponsor
- OPKO Health, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 69 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 3
- States / cities
- Garden Grove, California • Chicago, Illinois • West Bend, Wisconsin
- Conditions
- Vitamin D Deficiency, Preterm Infants, Bronchopulmonary Dysplasia
- Interventions
- Cholecalciferol, Placebo
- Dietary Supplement
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 1 Minute to 7 Days
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Rheumatoid Arthritis
- Interventions
- Teriparatide, calcium citrate, Vitamin D, TNF antagonist
- Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 45 Years and older
- Enrollment
- 26 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2016
- U.S. locations
- 3
- States / cities
- Boston, Massachusetts • Worcester, Massachusetts