- Conditions
- Craniocerebral Trauma, Intracranial Aneurysm, Brain Neoplasms, Spinal Cord Injuries, Seizures, Meningitis, Stroke, Intracranial Hemorrhages, Critical Illness, Vitamin d Deficiency
- Interventions
- Cholecalciferol, Placebo
- Drug · Other
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 274 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
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 1–24
of 604
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Vitamin B6 Deficiency
- Interventions
- Arm 1 glycine and leucine, Arm 2 Intervention of Serine and methionine infusion
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 20 Years to 40 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Vitamin D Deficiency, Sarcopenia
- Interventions
- vitamin D3, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 60 Years to 85 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Malnutrition
- Interventions
- Oxandrolone
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- Up to 1 Month
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2016
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Chronic Obstructive Pulmonary Disease
- Interventions
- Casein protein hydrolysates, Whey protein hydrolysates, Casein protein hydrolysates + LEU, Whey protein hydrolysates + LEU
- Dietary Supplement
- Lead sponsor
- Texas A&M University
- Other
- Eligibility
- 45 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Little Rock, Arkansas
- Conditions
- Type 2 Diabetes, Vitamin B12 Deficiency, Neuropathy, Anemia
- Interventions
- Office visit intervention, Electronic Message Intervention
- Behavioral
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 489 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Vitamin D Deficiency
- Interventions
- cholecalciferol, 25(OH)D
- Dietary Supplement
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 20 Years to 60 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Hypercholesterolemia, Hyperlipidemia, Vitamin Deficiency, Obesity
- Interventions
- Fortified eggs, Intermittent fasting, Non-egg supplemented, Usual care diet
- Dietary Supplement · Behavioral
- Lead sponsor
- Duke University
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 140 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Obesity, Vitamin D Deficiency, Psychosis, Schizophrenia, Schizoaffective Disorder
- Interventions
- Ergocalciferols
- Drug
- Lead sponsor
- University of Massachusetts, Worcester
- Other
- Eligibility
- 10 Years to 18 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Worcester, Massachusetts
- Conditions
- Hypophosphatasia (HPP)
- Interventions
- Asfotase Alfa
- Biological
- Lead sponsor
- Alexion Pharmaceuticals, Inc.
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 2
- States / cities
- St Louis, Missouri • Durham, North Carolina
- Conditions
- Hypovitaminosis D
- Interventions
- Cholecalciferol, Placebo
- Dietary Supplement
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 100 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Vitamin D Deficiency
- Interventions
- Placebo, 800 IU/day vitamin D supplementation with feedings in the first 28 days after birth, Usual Care
- Dietary Supplement · Other
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 24 Hours to 96 Hours
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2029
- U.S. locations
- 1
- States / cities
- Galveston, Texas
- Conditions
- Endotoxemia
- Interventions
- Low-fat Treatment Meal, Saturated-fat Treatment Meal, N-3 fat Treatment Meal, N-6 fat Treatment Meal
- Other
- Lead sponsor
- Iowa State University
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Ames, Iowa
- Conditions
- Malnutrition
- Interventions
- Not listed
- Lead sponsor
- Academy of Nutrition and Dietetics
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 54 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2015
- U.S. locations
- 3
- States / cities
- Cleveland, Ohio • Westlake, Ohio
- Conditions
- Hypercholesterolemia, Vitamin D Deficiency
- Interventions
- Vitamin D (1000 or 2000 IU/day), Placebo
- Dietary Supplement · Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 130 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2012
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Body Composition, Beneficial, Paresis, Impaired Glucose Tolerance
- Interventions
- wt loss, meal pattern, even, skew
- Other · Dietary Supplement
- Lead sponsor
- Purdue University
- Other
- Eligibility
- 19 Years to 50 Years
- Enrollment
- 41 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- West Lafayette, Indiana
- Conditions
- Critical Illness
- Interventions
- Parenteral Nutrition, Propofol, Clevidipine, Dextrose-containing IV Fluids, Enteral feeding
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Vitamin D Deficiency, Pregnancy
- Interventions
- cholecalciferol (vitamin D3), cholecalciferol
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 16 Years to 45 Years · Female only
- Enrollment
- 564 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Columbia, South Carolina
- Conditions
- Type 2 Diabetes, Vitamin D Deficiency
- Interventions
- Vitamin D2, Sugar pill
- Dietary Supplement · Other
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 12 Years to 18 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Precursor Cell Lymphoblastic Leukemia-Lymphoma, Vitamin D Deficiency
- Interventions
- Vitamin D and Calcium Citrate
- Dietary Supplement
- Lead sponsor
- Children's Hospital Los Angeles
- Other
- Eligibility
- 10 Years to 29 Years
- Enrollment
- 76 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2016
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Inflammatory Bowel Diseases, Vitamin D Deficiency
- Interventions
- Vitamin D (ergocalciferol and/ or cholecalciferol)
- Dietary Supplement
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 18 Years to 85 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Vitamin D Deficiency, Vitamin D Insufficiency
- Interventions
- Vitamin D, Placebo, Standard of Care
- Dietary Supplement · Other
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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
- Vitamin D Deficiency
- Interventions
- cholecalciferol (vitamin D3), cholecalciferol
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 16 Years to 45 Years · Female only
- Enrollment
- 501 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2010
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina