- 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
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.
All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.
Showing 49–72
of 967
matching trials from the live ClinicalTrials.gov search.
- 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
- Premature Infants
- Interventions
- cholecalciferal, cholecalciferol
- Dietary Supplement
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 23 Weeks to 32 Weeks
- Enrollment
- 32 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Chronic Kidney Disease
- Interventions
- Paricalcitol
- Drug
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Healthy
- Interventions
- Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- University of Kentucky
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
- Conditions
- Musculoskeletal Pain
- Interventions
- Vitamin D 2, Vitamin D2 Placebo
- Drug
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 71 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 4
- States / cities
- Worcester, Massachusetts • St Louis, Missouri • Camden, New Jersey + 1 more
- Conditions
- Melanoma
- Interventions
- Not listed
- Lead sponsor
- New Mexico Cancer Research Alliance
- Other
- Eligibility
- 18 Years to 95 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2013
- U.S. locations
- 2
- States / cities
- Albuquerque, New Mexico
- 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
- Unspecified Adult Solid Tumor, Protocol Specific
- Interventions
- calcitriol, paclitaxel
- Dietary Supplement · Drug
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1998 – 2005
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Endometriosis
- Interventions
- Vitamin D3, Fish Oil, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 12 Years to 25 Years · Female only
- Enrollment
- 69 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- Menstrual Cramps, Women's Health, Fatigue
- Interventions
- My Happy Flo
- Dietary Supplement
- Lead sponsor
- My Happy Flo
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Santa Monica, California
- Conditions
- Cluster Headache
- Interventions
- Vitamin D, multivitamin, Placebo
- Dietary Supplement
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Vitamin D Deficiency
- Interventions
- Oral Vitamin D Supplementation
- Drug
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2006
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Anemia of Chronic Kidney Disease
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 1 Year to 21 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Diabetic Nephropathy, Chronic Kidney Disease
- Interventions
- Zemplar (paricalcitol) capsules, Placebo
- Drug
- Lead sponsor
- Abbott
- Industry
- Eligibility
- 20 Years and older
- Enrollment
- 281 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 27
- States / cities
- Phoenix, Arizona • Fountain Valley, California • Yuba City, California + 21 more
- Conditions
- Smith-Lemli-Opitz Syndrome, Cone-Rod Dystrophy, Hearing Loss
- Interventions
- Antioxidants, Cholesterol
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- Up to 65 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2025
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Autoimmune Diseases, Systemic Inflammatory Process, Knee Pain Chronic, Osteoarthritis, Rheumatoid Arthritis
- Interventions
- Fish Oil, Vitamin D, placebo pill
- Drug · Dietary Supplement · Other
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 25,871 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2025
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Vitamin D Deficiency, Insulin Resistance, Insulin Sensitivity, Obesity
- Interventions
- Not listed
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 13 Years to 18 Years · Female only
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Hypertension
- Interventions
- Vitamin D (cholecalciferol), Tekturna(Aliskiren) plus placebo
- Dietary Supplement · Drug
- Lead sponsor
- Wayne State University
- Other
- Eligibility
- 30 Years to 74 Years
- Enrollment
- 92 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Renal Insufficiency, Chronic, Kidney Failure, Chronic
- Interventions
- NanoD4CKD, MicroD4CKD
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Ankle Arthrodesis, MTP Arthrodesis
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Prisma Health-Midlands
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 2
- States / cities
- Charleston, South Carolina • Columbia, South Carolina
- Conditions
- X-linked Hypophosphatemia, Hypophosphatemic Rickets, Hypophosphatemic Rickets, X-Linked Dominant
- Interventions
- Calcitriol
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 3 Years to 70 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteoporosis
- Interventions
- Teriparatide, Alendronate, Calcium, Vitamin D3
- Drug · Dietary Supplement
- Lead sponsor
- Helen Hayes Hospital
- Other
- Eligibility
- 45 Years to 85 Years · Female only
- Enrollment
- 140 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2017
- U.S. locations
- 1
- States / cities
- West Haverstraw, New York