- Conditions
- Graves Disease, Graves' Disease, Hyperthyroidism
- Interventions
- Ergocalciferol 50,000 IU, Methimazole
- Drug
- Lead sponsor
- Northwell Health
- Other
- Eligibility
- 9 Years to 17 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- New Hyde Park, 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 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 25–48
of 54
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Bone Mineralization Defect
- Interventions
- Vitamin D2
- Drug
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 6 Years to 21 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2014
- U.S. locations
- 2
- States / cities
- Loma Linda, California • Los Angeles, California
- Conditions
- Bariatric Surgery Candidate
- Interventions
- AquaVanta Chewable Tablet, Flinstones Complete, Nature Made Calcium Softgels, Twin Labs Iron Caps, Rexall Vitamin B12 Tablet
- Dietary Supplement
- Lead sponsor
- Yasoo Health
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 61 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Respiratory Infection
- Interventions
- High Dose Vitamin D, Standard Dose Vitamin D, Placebo, Usual Care
- Drug · Dietary Supplement
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 107 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2016
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- 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
- Autosomal Dominant Hypocalcemia (ADH)
- Interventions
- Encaleret, Standard of Care
- Drug · Dietary Supplement
- Lead sponsor
- Calcilytix Therapeutics, Inc., a BridgeBio company
- Industry
- Eligibility
- 16 Years and older
- Enrollment
- 67 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2029
- U.S. locations
- 11
- States / cities
- Oakland, California • Aurora, Colorado • Indianapolis, Indiana + 8 more
- Conditions
- Foot Injuries and Disorders, Ankle Injuries and Disorders, Achilles Tendon Injury
- Interventions
- medrol dosepak, HYDROcodone Oral Tablet
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 95 Years
- Enrollment
- 180 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 2
- States / cities
- Atlanta, Georgia • Johns Creek, Georgia
- Conditions
- Vitamin D Deficiency, Vitamin D Insufficiency
- Interventions
- Vitamin D, Placebo, Standard of Care
- Dietary Supplement · Other
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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
- Bone Metabolism Biomarkers, Bone Mineral Density, Physical Fitness
- Interventions
- Vitamin D3, Physical Activity
- Drug · Behavioral
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 18 Years to 99 Years · Female only
- Enrollment
- 191 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2026
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Infant Mortality, Preterm Birth, Low Birth Weight, Neonatal Mortality, Perinatal Mortality
- Interventions
- Iron (27 mg) - folic acid (600 ug), Multiple micronutrient
- Dietary Supplement
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- 12 Years to 45 Years · Female only
- Enrollment
- 44,567 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2012
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Prostate Cancer
- Interventions
- Vitamin D, Omega-3, Turmeric
- Dietary Supplement
- Lead sponsor
- Case Comprehensive Cancer Center
- Other
- Eligibility
- Male only
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Precursor Cell Lymphoblastic Leukemia-Lymphoma, Vitamin D Deficiency
- Interventions
- Vitamin D and Calcium Citrate
- Dietary Supplement
- Lead sponsor
- Children's Hospital Los Angeles
- Other
- Eligibility
- 10 Years to 29 Years
- Enrollment
- 76 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2016
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Chronic Kidney Disease, Hyperparathyroidism, Secondary
- Interventions
- Cinacalcet hydrochloride, Standard of Care
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 28 Days to 2189 Days
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 17
- States / cities
- Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 14 more
- Conditions
- Osteoarthritis, Vitamin D Deficiency
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 18 Years to 96 Years
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Chronic Kidney Disease, Secondary Hyperparathyroidism
- Interventions
- Cinacalcet HCl, Standard of Care
- Drug · Dietary Supplement
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 55 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 26
- States / cities
- Los Angeles, California • Wilmington, Delaware • Atlanta, Georgia + 22 more
- Conditions
- Osteoporosis
- Interventions
- rhBMP-2/CPM injection and bisphosphonates, calcium, and vitamin D (oral bisphosphonate therapy), bisphosphonates, calcium, and vitamin D
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 65 Years to 85 Years · Female only
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2015
- U.S. locations
- 28
- States / cities
- Phoenix, Arizona • Tucson, Arizona • Sacramento, California + 15 more
- Conditions
- Vitamin D Deficiency, Cystic Fibrosis
- Interventions
- High-Dose Vitamin D3, Stool Sample, Sputum Sample, Sham Comparator, Blood draw
- Dietary Supplement · Other · Procedure
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 41 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Neuropathic Pain
- Interventions
- Ergocalciferol Capsules, Cholecalciferol Capsules
- Drug · Dietary Supplement
- Lead sponsor
- Virginia Commonwealth University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2030
- U.S. locations
- 1
- States / cities
- Richmond, Virginia
- 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
- Conditions
- Thyroid, PD-1, Cancer
- Interventions
- blood draw and questionnaire completion, questionnaire completion, blood collection
- Other
- Lead sponsor
- Icahn School of Medicine at Mount Sinai
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2028
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Vitamin D, Prematurity
- Interventions
- Vitamin D3, vitamin D3 placebo
- Dietary Supplement
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 5 Minutes to 3 Months
- Enrollment
- 64 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Obese, Vitamin D Deficiency, Low HDL
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Xiang-An Li
- Other
- Eligibility
- 5 Years to 18 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
- Conditions
- Urticaria
- Interventions
- Vitamin D (4,000 IU/day), Vitamin D (400 IU/day), Omalizumab
- Dietary Supplement · Drug
- Lead sponsor
- Selina Gierer, D.O.
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Kansas City, Kansas