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ClinicalTrials.gov public records Last synced May 22, 2026, 1:37 AM EDT

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 554 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Hypophosphatemia, Familial, Hyperparathyroidism
Interventions
Paricalcitol, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
9 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 16, 2020 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Military Operational Stress Reaction, Malnutrition (Calorie), Weight Loss, Muscle Wasting
Interventions
Protein, High-Protein, and Control
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years and older · Male only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Marine Corps Base Camp Lejeune, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 20, 2017 · Synced May 22, 2026, 1:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
Conditions
Vitamin D Deficiency
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
8 Years to 25 Years
Enrollment
290 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
2
States / cities
Atlanta, Georgia • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 27, 2016 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Hot Flushes, Menopause, Premature, Obesity, Vitamin D Deficiency
Interventions
Vitamin D, Placebo
Dietary Supplement · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 29, 2013 · Synced May 22, 2026, 1:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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
Source: ClinicalTrials.gov public record
Updated Oct 16, 2011 · Synced May 22, 2026, 1:37 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
Conditions
Vitamin D Deficiency
Interventions
Vitamin D3
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
13 Years to 20 Years
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 15, 2018 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Osteoporosis, Renal Osteodystrophy, Kidney Transplant; Complications
Interventions
Denosumab Inj 60 mg/ml, Placebo
Drug · Other
Lead sponsor
Thomas Nickolas, MD MS
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Chicago, Illinois • Evanston, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced May 22, 2026, 1:37 AM EDT
Active, not recruiting Phase 2 Interventional
Conditions
Kidney Failure, Chronic, Chronic Kidney Disease-Mineral and Bone Disorder
Interventions
Oral calcitriol with cinacalcet rescue, IV activated vitamin D
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 1, 2025 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Tracheostomy Complication, Critical Illness, Nutritional Deficiency
Interventions
Feeds continued, Feeds held
Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
6
States / cities
Danbury, Connecticut • West Palm Beach, Florida • Kansas City, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Poor Nutrition
Interventions
Adding spices and herbs to school lunch vegetables
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
12 Years to 21 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Pancreatic Cancer, Malnutrition
Interventions
Nestle Impact Advanced Recovery nutritional supplement
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 28, 2016 · Synced May 22, 2026, 1:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
Conditions
Vitamin Deficiency, Mineral Deficiency, Aging
Interventions
Centrum Silver Mens' Formula, Control
Dietary Supplement · Other
Lead sponsor
Oregon State University
Other
Eligibility
65 Years and older · Male only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 7, 2025 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Protein Deficiency
Interventions
Group 1 Meal Replacement, Group 2 Protein Supplement, Group 3
Dietary Supplement
Lead sponsor
Southeast Bariatrics, PA
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 25, 2011 · Synced May 22, 2026, 1:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
Conditions
Vitamin D Deficiency
Interventions
Not listed
Lead sponsor
Creighton University
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 23, 2010 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Rickets
Interventions
Not listed
Lead sponsor
Agency for Healthcare Research and Quality (AHRQ)
Federal
Eligibility
6 Months to 15 Months
Enrollment
246 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 7, 2014 · Synced May 22, 2026, 1:37 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
Conditions
Cirrhosis
Interventions
Rectus abdominis muscle biopsy
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Periodontal Disease, Vitamin D Deficiency
Interventions
Cholecalciferol, Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2015 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Anorexia, Cachexia, HIV Infections
Interventions
Megestrol acetate
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
15
States / cities
Birmingham, Alabama • Long Beach, California • Los Angeles, California + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2007 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Coronary Artery Disease, Chronic Kidney Disease, Hypovitaminosis D, Secondary Hyperparathyroidism
Interventions
paricalcitol, placebo
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Anemia, Vitamin D Deficiency
Interventions
Not listed
Lead sponsor
Avera McKennan Hospital & University Health Center
Other
Eligibility
30 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Aug 24, 2014 · Synced May 22, 2026, 1:37 AM EDT
Completed Phase 2 Interventional Results available
Conditions
Systemic Lupus Erythematosus, SLE, Lupus
Interventions
Vitamin D3, Vitamin D3 placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
8
States / cities
Birmingham, Alabama • San Francisco, California • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Renal Osteodystrophy
Interventions
Low magnitude mechanical stimuli
Device
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2015 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Hemophilia A, Hemophilia B, Vitamin D Deficiency
Interventions
Vitamin D and calcium
Dietary Supplement
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
2 Years to 21 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Hypovitaminosis D, Spinal Disease, Osteoporosis
Interventions
Not listed
Lead sponsor
OSF Healthcare System
Other
Eligibility
50 Years and older
Enrollment
460 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 27, 2018 · Synced May 22, 2026, 1:37 AM EDT