- Conditions
- Vitamin D Deficiency, Overweight, Obesity
- Interventions
- 2000 IU Vitamin D3 daily supplement, 400 IU Vitamin D3 supplement
- Dietary Supplement
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 14 Years to 19 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009
- U.S. locations
- 1
- States / cities
- Augusta, Georgia
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 1–24
of 415
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Hypophosphatemia, Rickets, Hypercalciuria, XLH, HHRH
- Interventions
- phosphate
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 13 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2028
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Vision Loss Night, Vision Disorders
- Interventions
- 0.75% Phentolamine Ophthalmic Solution, Placebo
- Drug
- Lead sponsor
- Ocuphire Pharma, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 580 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 20
- States / cities
- Chandler, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 16 more
- Conditions
- Chronic Kidney Disease, Vitamin D Deficiency
- Interventions
- Ergocalciferol, Calcitriol
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 80 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2014
- U.S. locations
- 1
- States / cities
- Cambridge, Massachusetts
- Conditions
- Neural Tube Defects, Folic Acid Deficiency, Spina Bifida, Anencephaly-Spina Bifida, B12 Deficiency Vitamin, Anemia, Iron Deficiency Anaemia Due to Dietary Causes
- Interventions
- Micronutrient fortified iodized salt
- Dietary Supplement
- Lead sponsor
- Hydrocephalus and Neuroscience Institute
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 200 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Orlando, Florida
- Conditions
- Vitamin D Deficiency, Covid19
- Interventions
- Vitamin D
- Other
- Lead sponsor
- Parkview Medical Center
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 50 participants
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Pueblo, Colorado
- Conditions
- Vitamin D Deficiency, Arterial Stiffness
- Interventions
- Low dose vitamin D3, High dose vitamin D3
- Dietary Supplement
- Lead sponsor
- Texas Tech University Health Sciences Center
- Other
- Eligibility
- 65 Years to 89 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Lubbock, Texas
- Conditions
- Morbid Obesity, Vitamin D Deficiency
- Interventions
- vitamin D3 (Replesta), vitamin D
- Dietary Supplement
- Lead sponsor
- Texas Tech University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Lubbock, Texas
- 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
- 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
- X-linked Hypophosphatemia
- Interventions
- KK8123
- Drug
- Lead sponsor
- Kyowa Kirin Co., Ltd.
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2029
- U.S. locations
- 5
- States / cities
- San Francisco, California • New Haven, Connecticut • Indianapolis, Indiana + 2 more
- 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
- Arterial Dysfunction, Chronic Kidney Disease
- Interventions
- Cholecalciferol, Calcitriol
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 128 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Cardiovascular Disease, Obesity
- Interventions
- Not listed
- Lead sponsor
- Loyola University
- Other
- Eligibility
- 25 Years to 44 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011
- U.S. locations
- 1
- States / cities
- Maywood, Illinois
- 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
- 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
- Hyperparathyroidism
- Interventions
- Vitamin D, Four-dimensional computed tomography (4DCT)
- Drug · Device
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2018
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Vitamin B 12 Deficiency
- Interventions
- Cyanocobalamin, Placebo
- Drug
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Vitamin D Metabolism is in Chronic Kidney Disease
- Interventions
- 10,000 IU of cholecalciferol for a total of 8 weeks
- Drug
- Lead sponsor
- Memphis VA Medical Center
- Federal
- Eligibility
- 18 Years to 85 Years · Male only
- Enrollment
- 70 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Memphis, Tennessee
- Conditions
- Burns, Bone Demineralization
- Interventions
- Vitamin D2, Vitamin D3
- Dietary Supplement
- Lead sponsor
- Shriners Hospitals for Children
- Other
- Eligibility
- 6 Months to 18 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2011
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Vitamin D Deficiency, Anemia
- Interventions
- Not listed
- Lead sponsor
- Kaiser Permanente
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- 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
- Anemia in Pregnancy, Preeclampsia
- Interventions
- Neevo® (a medical food), Prenatal vitamins (≤1mg folic acid, 27 - 35mg iron, and ≤12mcg vitamin B12)
- Other
- Lead sponsor
- Pamlab, Inc.
- Industry
- Eligibility
- 21 Years to 39 Years · Female only
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2010
- U.S. locations
- 3
- States / cities
- Sheffield, Alabama • Flowood, Mississippi • Gainesville, Texas