- Conditions
- Nephrolithiasis, Urolithiasis, Idiopathic Hypercalciuria, Vitamin D Deficiency, Disorder of Vitamin D
- Interventions
- Ergocalciferol
- Drug
- Lead sponsor
- New York Presbyterian Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- New York, 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 73–96
of 326
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Male Infertility, Klinefelter's Syndrome, Y-chromosome Microdeletions
- Interventions
- 13-cis retinoic acid, Calcitriol
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 21 Years to 60 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Sickle Cell Disease
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Gary M Brittenham, MD
- Other
- Eligibility
- 3 Years to 20 Years
- Enrollment
- 4 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Solid Tumors
- Interventions
- Doxercalciferol
- Drug
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 2 Years to 26 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Overweight and Obesity, Vitamin D Deficiency, Magnesium Deficiency, Cardiovascular Risk Factor
- Interventions
- Vitamin D and magnesium, Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Drexel University
- Other
- Eligibility
- 30 Years to 70 Years
- Enrollment
- 109 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2021
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Non-Hodgkin's Lymphoma, Lymphoma
- Interventions
- Zoledronic Acid, Vitamin D, Calcium Carbonate
- Drug
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 135 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2011
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Polycystic Ovary Syndrome
- Interventions
- Vitamin D, Placebo
- Dietary Supplement · Drug
- Lead sponsor
- Milton S. Hershey Medical Center
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2014
- U.S. locations
- 1
- States / cities
- Hershey, Pennsylvania
- Conditions
- Acute Stress Reaction
- Interventions
- Vitamin D3 (Cholecalciferol), Oral Placebo Tablet
- Dietary Supplement
- Lead sponsor
- Walter Reed Army Institute of Research (WRAIR)
- Federal
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Silver Spring, Maryland
- Conditions
- Osteoporosis
- Interventions
- Placebo, DP001
- Drug
- Lead sponsor
- Deltanoid Pharmaceuticals
- Industry
- Eligibility
- 55 Years to 80 Years · Female only
- Enrollment
- 157 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2009
- U.S. locations
- 9
- States / cities
- Upland, California • Indianapolis, Indiana • Bethesda, Maryland + 6 more
- Conditions
- Kidney Transplantation, Vitamin D Deficiency
- Interventions
- Standard vitamin D3 treatment, High dose vitamin D3 treatment
- Dietary Supplement
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 116 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2023
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Vitamin d Deficiency
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- University of Delaware
- Other
- Eligibility
- 18 Years to 30 Years · Female only
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Newark, Delaware
- Conditions
- COVID-19, Coronavirus, SARS-CoV2 Infection
- Interventions
- Rayaldee, Placebo
- Drug
- Lead sponsor
- OPKO Health, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 171 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 10
- States / cities
- San Francisco, California • Miami, Florida • Evanston, Illinois + 6 more
- Conditions
- Breast Cancer, Osteoporosis
- Interventions
- calcium carbonate, vitamin D, risedronate sodium, placebo
- Dietary Supplement · Drug · Other
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 216 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2008
- U.S. locations
- 198
- States / cities
- Mobile, Alabama • Scottsdale, Arizona • Aurora, Colorado + 124 more
- Conditions
- Postmenopausal Osteoporosis
- Interventions
- Teriparatide, Risedronate, Placebo, Calcium, Vitamin D
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years and older · Female only
- Enrollment
- 1,366 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 30
- States / cities
- Birmingham, Alabama • Concord, California • Fresno, California + 27 more
- Conditions
- Vitamin D Deficiency, Hematopoietic Stem Cell Transplantation (HSCT)
- Interventions
- Oral Thin Film (OTF) Cholecalciferol (Vitamin D3)
- Dietary Supplement
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- Not listed
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Sarcoidosis, Vitamin D Insufficiency
- Interventions
- Ergocalciferol, Placebo, Calcium Citrate with Vitamin D2
- Drug
- Lead sponsor
- University of Texas Southwestern Medical Center
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2026
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Bioequivalence of Vitamin D in Healthy Adults
- Interventions
- vitamin D3
- Dietary Supplement
- Lead sponsor
- Church & Dwight Company, Inc.
- Industry
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 9 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- Princeton, New Jersey
- Conditions
- Cystic Fibrosis, Allergic Bronchopulmonary Aspergillosis
- Interventions
- cholecalciferol (Vitamin D3)
- Dietary Supplement
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 12 Years and older
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2013
- U.S. locations
- 2
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Cancer
- Interventions
- 1,25 (OH)2 D3, Inspiratory isometric resistance training, Oral Placebo, Sham Inspiratory Isometric Resistance Training, Threshold Inspiratory Muscle Trainer (IMT)
- Drug · Other · Device
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 63 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- 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
- IBD, Ulcerative Colitis, Crohn Disease
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 7 Years to 25 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2023
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Secondary Hyperparathyroidism
- Interventions
- DP001
- Drug
- Lead sponsor
- Deltanoid Pharmaceuticals
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 6
- States / cities
- Tucson, Arizona • Tustin, California • Denver, Colorado + 3 more
- Conditions
- Asthma, Vitamin D Deficiency
- Interventions
- Vitamin D2 + vitamin D3, Vitamin D3
- Drug
- Lead sponsor
- Nationwide Children's Hospital
- Other
- Eligibility
- 8 Years to 17 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Prediabetes, Vitamin D Deficiency
- Interventions
- Cholecalciferol (vitamin D3)
- Dietary Supplement
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota