- Conditions
- Thalassemia Major
- Interventions
- Vitamin D3, Placebo
- Drug
- Lead sponsor
- Weill Medical College of Cornell University
- Other
- Eligibility
- 6 Years to 60 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- 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 49–63
of 63
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Vitamin D Deficiency, Cystic Fibrosis
- Interventions
- High-Dose Vitamin D3, Stool Sample, Sputum Sample, Sham Comparator, Blood draw
- Dietary Supplement · Other · Procedure
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 41 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Septic Shock
- Interventions
- Hydroxocobalamin, Placebo
- Drug
- Lead sponsor
- Medical College of Wisconsin
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
- Conditions
- Severe Thermal Injury, Greater Than 20% TBSA
- Interventions
- Vitamin C, Placebo
- Drug
- Lead sponsor
- University of Texas Southwestern Medical Center
- Other
- Eligibility
- 18 Years to 65 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Opioid Use Disorder
- Interventions
- [11C]-PHNO, Calcitriol, Placebo Control, PET Scan
- Drug · Dietary Supplement · Other + 1 more
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Cognitive Decline
- Interventions
- 540,000 IU vitamin D3, Placebo
- Drug
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 95 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 7
- States / cities
- Aurora, Colorado • Boston, Massachusetts • New York, New York + 3 more
- Conditions
- Parkinson Disease, Accidental Falls
- Interventions
- Vitamin D3, calcium, Placebo
- Drug · Dietary Supplement · Other
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 50 Years to 99 Years
- Enrollment
- 101 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Parkinson's Disease
- Interventions
- Vitamin D3, Vitamin D3 - high dose, Placebo
- Dietary Supplement
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 89 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2015
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Breast Cancer
- Interventions
- Cholecalciferol, Placebo capsule
- Drug
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 21 Years and older · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2015
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Leukemia, Lymphoma
- Interventions
- Actonel (Risedronate), Calcium, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 72 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2014
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- brca1 Mutation Carrier, brca2 Mutation Carrier, Breast Cancer
- Interventions
- cholecalciferol, placebo
- Dietary Supplement · Other
- Lead sponsor
- SWOG Cancer Research Network
- Network
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 208 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 360
- States / cities
- Anniston, Alabama • Mobile, Alabama • Anchorage, Alaska + 230 more
- Conditions
- Vascular Diseases, Kidney Disease, Blood Pressure, Oxidative Stress
- Interventions
- Nicotinamide riboside
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 35 Years to 80 Years
- Enrollment
- 118 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2027
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Shock
- Interventions
- Ascorbic Acid, Ringers Lactate or Normal Saline
- Drug · Other
- Lead sponsor
- Rutgers, The State University of New Jersey
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- New Brunswick, New Jersey
- Conditions
- Hunger
- Interventions
- High Dose Supplement, Low Dose Supplement, Placebo
- Dietary Supplement
- Lead sponsor
- Texas Christian University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Fort Worth, Texas
- Conditions
- Reproductive Issues
- Interventions
- Vitamin D, Placebo
- Dietary Supplement · Other
- Lead sponsor
- National Institute of Environmental Health Sciences (NIEHS)
- NIH
- Eligibility
- 19 Years to 40 Years · Female only
- Enrollment
- 998 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 2
- States / cities
- Detroit, Michigan • Research Triangle Park, North Carolina