- Conditions
- HIV Infections, AIDS
- Interventions
- Cholecalciferol (Vit D3)
- Drug
- Lead sponsor
- Children's Hospital of Philadelphia
- Other
- Eligibility
- 5 Years to 24 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–10
of 10
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Quality of Life, Body Mass Index
- Interventions
- MannaBears, AlgaeCal Calcium, Calcium carbonate, Vitamin D3
- Dietary Supplement
- Lead sponsor
- Integrative Health Technologies, Inc.
- Network
- Eligibility
- 5 Years to 19 Years
- Enrollment
- 200 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- San Antonio, Texas
- Conditions
- Death, Myocardial Infarction, Cerebral Vascular Accident, Heart Failure Hospitalization
- Interventions
- Vitamin D3
- Biological
- Lead sponsor
- Intermountain Health Care, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 634 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2025
- U.S. locations
- 1
- States / cities
- Murray, Utah
- Conditions
- Bone Health, Nutrition Status
- Interventions
- Ca/Vit D, Placebo
- Dietary Supplement · Other
- Lead sponsor
- United States Army Research Institute of Environmental Medicine
- Federal
- Eligibility
- 17 Years to 42 Years
- Enrollment
- 342 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2018
- U.S. locations
- 2
- States / cities
- Fort Sill, Oklahoma • San Antonio, Texas
- Conditions
- Hypovitaminosis D
- Interventions
- 25 Hydroxy- Vitamin D3 [25 (OH) D3], Placebo
- Drug
- Lead sponsor
- Charles Drew University of Medicine and Science
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 330 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Vitamin D Deficiency, Metabolic Syndrome
- Interventions
- RDA Vitamin D3 only, Vitamin D2/3 Repletion only, Vitamin D2/3 Repletion + AEX, Vitamin D2/3 Repletion + RT
- Dietary Supplement · Other
- Lead sponsor
- Baltimore VA Medical Center
- Federal
- Eligibility
- 40 Years to 85 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Newly Diagnosed Operative Invasive Ductal Breast Carcinoma Stage I-II
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- 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
- Conditions
- Asthma
- Interventions
- vitamin D3 4000 IU, Placebo
- Drug
- Lead sponsor
- Juan Celedon, MD
- Other
- Eligibility
- 6 Years to 16 Years
- Enrollment
- 192 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 7
- States / cities
- San Francisco, California • Denver, Colorado • Boston, Massachusetts + 4 more
- Conditions
- Parkinson Disease
- Interventions
- Vitamin D3, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Memorial Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2013
- U.S. locations
- 1
- States / cities
- Johnstown, Pennsylvania