- Conditions
- Foot Injuries and Disorders
- Interventions
- NutraHeal, NutraHeal Plus
- Dietary Supplement
- Lead sponsor
- NutraHeal
- Industry
- Eligibility
- 20 Years to 80 Years
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 3
- States / cities
- Altoona, Pennsylvania • Ebensburg, Pennsylvania • State College, Pennsylvania
Search Results
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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 37
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Diabetes Mellitus, Vitamin D Deficiency
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Ascension Health
- Industry
- Eligibility
- 34 Years to 69 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Flint, Michigan
- Conditions
- Prostatic Neoplasms, Bone Mineral Density Quantitative Trait Locus 3
- Interventions
- vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 60 Years to 99 Years · Male only
- Enrollment
- 108 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Metabolic Syndrome
- Interventions
- vitamin D3 (cholecalciferol)
- Dietary Supplement
- Lead sponsor
- Allina Health System
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 84 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Muscle Pain, Joint Pain
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- HealthPartners Institute
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 116 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Physical Function, Vitamin D Insufficiency
- Interventions
- calcium, Vitamin D plus calcium
- Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 70 Years to 89 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- 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
- Fracture
- Interventions
- Vitamin D3, Placebo
- Drug · Other
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 102 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2021
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Hypovitaminosis D
- Interventions
- Standing Phototherapy Kiosk, D3 Oral supplement
- Device · Dietary Supplement
- Lead sponsor
- Madigan Army Medical Center
- Federal
- Eligibility
- 18 Years to 69 Years
- Enrollment
- 106 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Tacoma, Washington
- Conditions
- Asthma, Vitamin D Deficiency, Pediatric Obesity
- Interventions
- Vitamin D3 oral regimen
- Dietary Supplement
- Lead sponsor
- IDeA States Pediatric Clinical Trials Network
- Network
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 112 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 15
- States / cities
- Little Rock, Arkansas • Wilmington, Delaware • Honolulu, Hawaii + 12 more
- Conditions
- Vitamin D Deficiency, Nutritional Deficiency
- Interventions
- High dose Cholecalciferol, Cholecalciferol
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 0 Days to 45 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Breast Cancer
- Interventions
- High Dose Vitamin D, Placebo, Standard Dose Vitamin D3, Letrozole 2.5mg
- Dietary Supplement · Drug
- Lead sponsor
- Qamar Khan
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 160 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 2
- States / cities
- Westwood, Kansas • Wichita, Kansas
- Conditions
- Delusion of Reference
- Interventions
- Endocrine Society UL Dosage Vitamin D, Institute of Medicine Dosage Vitamin D, Calcium
- Dietary Supplement
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 50 Years to 90 Years · Female only
- Enrollment
- 132 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Obesity, Insulin Resistance, Vitamin D Deficiency
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Perrin C White, MD
- Other
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 109 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Neurofibromatosis Type 1 (NF1)
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 25 Years to 40 Years
- Enrollment
- 26 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2022
- U.S. locations
- 2
- States / cities
- Cincinnati, Ohio • Salt Lake City, Utah
- Conditions
- Hip Fracture
- Interventions
- PUSH, Protein, Nutrition
- Behavioral · Dietary Supplement
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2020
- U.S. locations
- 2
- States / cities
- Baltimore, Maryland • Towson, Maryland
- Conditions
- HIV-1 Infection
- Interventions
- EFV/FTC/TDF, Calcium Carbonate, Vitamin D3, Placebo for calcium carbonate, Placebo for vitamin D3
- Drug
- Lead sponsor
- Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
- Network
- Eligibility
- 18 Years and older
- Enrollment
- 167 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 38
- States / cities
- Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 27 more
- Conditions
- Triple Negative Breast Cancer, Vitamin D Deficiency, Invasive Breast Cancer
- Interventions
- Standard of Care Neoadjuvant Chemotherapy (NAC), Vitamin D3, Drug Diary
- Drug · Dietary Supplement · Other
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Colorectal Cancer, Polyps, Adenomas
- Interventions
- Calcium Carbonate, Vitamin D3, placebo
- Drug
- Lead sponsor
- Dartmouth-Hitchcock Medical Center
- Other
- Eligibility
- 45 Years to 75 Years
- Enrollment
- 2,813 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2016
- U.S. locations
- 10
- States / cities
- Los Angeles, California • Denver, Colorado • Atlanta, Georgia + 7 more
- Conditions
- Vitamin D Deficiency, Type 2 Diabetes Mellitus, Cardiovascular Disease
- Interventions
- Vitamin D3, Calcium carbonate
- Dietary Supplement
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 50 Years to 70 Years
- Enrollment
- 86 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2018
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Urticaria, Angioedema, Hives, Swelling
- Interventions
- High Dose Vitamin D3, Low Dose Vitamin D3
- Drug
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Obesity, Vitamin D Deficiency
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 10 Years to 18 Years
- Enrollment
- 225 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Relapsing Remitting Multiple Sclerosis
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 172 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2021
- U.S. locations
- 16
- States / cities
- Carmichael, California • San Francisco, California • Stanford, California + 12 more
- Conditions
- Vitamin D Deficiency
- Interventions
- Cholecalciferol
- Dietary Supplement
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 13 Years to 45 Years
- Enrollment
- 74 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Augusta, Georgia