- Conditions
- Critically Ill, Acute Kidney Injury
- Interventions
- Calcifediol, Calcitriol, Placebos
- Drug
- Lead sponsor
- David Leaf
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
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 410
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Osteoporosis
- Interventions
- Ronacaleret, Teriparatide, Alendronate
- Drug
- Lead sponsor
- GlaxoSmithKline
- Industry
- Eligibility
- 18 Years to 79 Years · Female only
- Enrollment
- 564 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2008
- U.S. locations
- 9
- States / cities
- Oakland, California • Palm Desert, California • Walnut Creek, California + 6 more
- Conditions
- Elderly, Frail
- Interventions
- Vitamin D + Sham Exercise, Vitamin D Placebo + Exercise, Vitamin D Placebo + Sham Exercise, Vitamin D + Exercise
- Drug · Procedure
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 75 Years and older
- Enrollment
- 64 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2008
- U.S. locations
- 4
- States / cities
- Farmington, Connecticut • Hyattsville, Maryland • Roslindale, Massachusetts + 1 more
- Conditions
- Nutrition, Healthy
- Interventions
- DHA/EPA fortified chicken plus Placebo, non-25(OH)D fortified chicken/eggs plus vitamin D3 supplement, non-DHA bio-enhanced chicken plus supplement DHA Omega-3, 25(OH)D bioenhanced chicken and eggs plus placebo, Dietary Supplement: DHA/EPA fortified eggs plus Placebo, non-DHA bio-enhanced eggs plus supplement DHA Omega-3, non-25(OH)D fortified chicken/eggs plus placebo
- Dietary Supplement · Other
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 84 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Ithaca, New York
- 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
- Chronic Pain Following Thermal Burn Injury
- Interventions
- Omega-3 fatty acids (fish oil), Vitamin D3 (cholecalciferol), Vitamin D3 (cholecalciferol) placebo, Omega-3 fatty acid placebo
- Drug
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Hypertension, Left Ventricular Hypertrophy
- Interventions
- cholecalciferol (Vitamin D), Placebo
- Dietary Supplement
- Lead sponsor
- Wayne State University
- Other
- Eligibility
- 30 Years to 74 Years
- Enrollment
- 354 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Cystic Fibrosis, Dysbiosis
- Interventions
- Vitamin D3, Placebo vitamin D3, Inulin, Placebo Inulin
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Hypovitaminosis D
- Interventions
- Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 113 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina
- Conditions
- Cardiovascular Disease, Vitamin D Deficiency
- Interventions
- Vitamin D3, Placebo
- Dietary Supplement
- Lead sponsor
- Intermountain Health Care, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2020
- U.S. locations
- 1
- States / cities
- Murray, Utah
- Conditions
- Male Osteoporosis
- Interventions
- Teriparatide or human parathyroid hormone (PTH) 1-34, Cinacalcet, placebo tablet, Calcium citrate tablet, Vitamin D3
- Drug · Dietary Supplement
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 60 Years to 85 Years · Male only
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2025
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Vitamin D Deficiency, Hypertension
- Interventions
- Aliskiren, Cholecalciferol, Placebo
- Drug · Dietary Supplement
- Lead sponsor
- UConn Health
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Farmington, Connecticut
- Conditions
- Hypertension, Kidney Diseases
- Interventions
- Vitamin D3, Omega-3 Fatty acids, Vitamin D3 placebo, Fish oil placebo
- Dietary Supplement · Drug
- Lead sponsor
- Albert Einstein College of Medicine
- Other
- Eligibility
- 50 Years to 99 Years
- Enrollment
- 2,232 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2022
- 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
- Dysphagia, Fecal Incontinence, Urinary Incontinence
- Interventions
- Ergocalciferol (vitamin D2)
- Other
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 70 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- Started 2006
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Arthritis, Rheumatoid, Vitamin D Deficiency
- Interventions
- Placebo in arm A and Vitamin D in arm B, vitamin D 3 for arm A ,and matching placebo for arm B
- Drug
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- 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
- Basal Cell Carcinoma, Basal Cell Nevus Syndrome
- Interventions
- Dietary Vitamin D3 pre-treatment, Photodynamic therapy, Serum Maintenance Vitamin D3
- Drug · Radiation
- Lead sponsor
- Case Comprehensive Cancer Center
- Other
- Eligibility
- Not listed
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2023
- U.S. locations
- 2
- States / cities
- Phoenix, Arizona • Cleveland, Ohio
- Conditions
- Prostate Cancer
- Interventions
- cholecalciferol, placebo
- Drug · Other
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 19 Years to 90 Years · Male only
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 2
- States / cities
- Charleston, South Carolina
- Conditions
- Renal Dialysis, Vitamin D Deficiency
- Interventions
- Cholecalciferol (Vitamin D)
- Dietary Supplement
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 45 Years to 89 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2022
- U.S. locations
- 1
- States / cities
- The Bronx, New York
- Conditions
- Hypertension
- Interventions
- Vitamin D, calcitriol, Placebo
- Drug
- Lead sponsor
- Atlanta VA Medical Center
- Federal
- Eligibility
- 18 Years to 80 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2011
- U.S. locations
- 1
- States / cities
- Decatur, Georgia
- Conditions
- Cardiovascular Diseases, Vitamin D Deficiency
- Interventions
- Vitamin D3, Placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 55 Years to 65 Years · Female only
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Seasonal Allergic Rhinitis
- Interventions
- Vitamin D3, Placebo, Fluticasone Propionate
- Drug
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Prostate Cancer
- Interventions
- risedronate, Placebo risedronate oral tablet
- Drug
- Lead sponsor
- UConn Health
- Other
- Eligibility
- 55 Years to 85 Years · Male only
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2009
- U.S. locations
- 1
- States / cities
- Farmington, Connecticut