- 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
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 121–144
of 407
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Obesity, Insulin Resistance, Inflammation
- Interventions
- Vitamin D, Placebo
- Dietary Supplement · Drug
- Lead sponsor
- Purdue University
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- West Lafayette, Indiana
- Conditions
- Thyroid Nodules, Hypocalcemia
- Interventions
- Calcitriol, Control Pill
- Dietary Supplement
- Lead sponsor
- David Shonka, MD
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 67 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2021
- U.S. locations
- 1
- States / cities
- Charlottesville, Virginia
- Conditions
- Determine Effect of Vitamin D on Bone Health in Elderly African American Women
- Interventions
- Vitamin D 3, placebo
- Dietary Supplement · Other
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 60 Years and older · Female only
- Enrollment
- 260 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2016
- U.S. locations
- 1
- States / cities
- Mineola, New York
- 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
- COVID, Covid-19, Corona Virus Infection, Coronavirus Infection, Coronavirus-19, SARS-CoV2, SARS-CoV Infection
- Interventions
- Ivermectin, Doxycycline Hcl, Zinc, Vitamin D3, Vitamin C
- Drug · Dietary Supplement
- Lead sponsor
- ProgenaBiome
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Ventura, California
- Conditions
- Cystic Fibrosis
- Interventions
- Vitamin D Powder, Vitamin D Oil
- Dietary Supplement
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 59 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- HIV Infection
- Interventions
- Alendronate, Placebo, Calcium carbonate/vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Eligibility
- 11 Years to 24 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2017
- U.S. locations
- 7
- States / cities
- Los Angeles, California • Miami, Florida • Tampa, Florida + 4 more
- Conditions
- Leukemia, Lymphoblastic, Acute, Osteoporosis
- Interventions
- Calcium carbonate (Tums), vitamin D, Placebo
- Drug · Other
- Lead sponsor
- St. Jude Children's Research Hospital
- Other
- Eligibility
- Not listed
- Enrollment
- 429 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2000 – 2011
- U.S. locations
- 3
- States / cities
- Memphis, Tennessee
- Conditions
- Respiratory Infection
- Interventions
- Vitamin D3 (cholecalciferol), Placebo Sugar Pill
- Dietary Supplement
- Lead sponsor
- University of Iowa
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 98 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Type 2 Diabetes
- Interventions
- Vitamin D, Placebo
- Drug
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 30 Years to 65 Years
- Enrollment
- 76 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- 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
- Pre-diabetes
- Interventions
- vitamin D, placebo
- Drug
- Lead sponsor
- Charles Drew University of Medicine and Science
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 117 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Acute Myelogenous Leukemia
- Interventions
- Inecalcitol, Placebo Oral Tablet
- Drug
- Lead sponsor
- Hybrigenics Corporation
- Industry
- Eligibility
- 65 Years and older
- Enrollment
- 110 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 7
- States / cities
- San Diego, California • Augusta, Georgia • Las Vegas, Nevada + 4 more
- Conditions
- Pre-Diabetic
- Interventions
- Calcitriol capsules, Oral Placebo
- Drug
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 20 Years to 45 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Multiple Sclerosis
- Interventions
- Phototherapy
- Device
- Lead sponsor
- University of Illinois at Urbana-Champaign
- Other
- Eligibility
- 18 Years to 64 Years · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Urbana, Illinois
- Conditions
- Adult Stem Cell Proliferation
- Interventions
- NutraStem, Placebo
- Drug
- Lead sponsor
- University of North Texas Health Science Center
- Other
- Eligibility
- 50 Years to 70 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2017
- U.S. locations
- 1
- States / cities
- Fort Worth, Texas
- Conditions
- Skin Irritation
- Interventions
- 4 placebo, 4 Vitamin D, Valchlor
- Dietary Supplement · Drug
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Pregnancy
- Interventions
- Calcium or Placebo
- Dietary Supplement
- Lead sponsor
- UCSF Benioff Children's Hospital Oakland
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 65 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- Oakland, California
- Conditions
- Anemia
- Interventions
- Vitamin D3 ., omega-3 fatty acids (fish oil), Vitamin D3 placebo, Fish oil placebo
- Dietary Supplement · Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 2,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2025
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- New Biomarkers for Measuring Vitamin D Level
- Interventions
- Vitamin D Supplementation, Placebo, Calcium
- Dietary Supplement · Other
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 60 Years to 90 Years · Female only
- Enrollment
- 444 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Type 1 Diabetes
- Interventions
- Vitamin D, Placebo
- Drug
- Lead sponsor
- Nationwide Children's Hospital
- Other
- Eligibility
- 4 Years to 18 Years
- Enrollment
- 38 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Prostate Cancer
- Interventions
- calcitriol, docetaxel
- Drug
- Lead sponsor
- Novacea
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 250 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2005
- U.S. locations
- 52
- States / cities
- Montgomery, Alabama • Scottsdale, Arizona • Tucson, Arizona + 44 more
- Conditions
- Muscle Power
- Interventions
- Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Oklahoma State University
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 103 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Stillwater, Oklahoma