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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:57 AM EDT

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Showing 1–24 of 560 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Undernutrition Clear all
Terminated Phase 4 Interventional Results available

Mothers' Own Milk Optimization for Preterm Infants Project (MoMO PIP) Pilot Study

NCT04629534
View directory record Official record
Conditions
Vitamin D Deficiency, Nutritional Deficiency
Interventions
High dose Cholecalciferol, Cholecalciferol
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
0 Days to 45 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 15, 2023 · Synced Oct 21, 2026, 9:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Culturally Appropriate Nutrition Communication for Mexican American Women

NCT04352530
View directory record Official record
Conditions
Lifestyle Risk Reduction, Nutrition Poor, Chronic Disease, Obesity, Cancer, Breast
Interventions
Health Communication
Other
Lead sponsor
University of California, Merced
Other
Eligibility
18 Years to 29 Years
Enrollment
881 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Merced, California
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Oct 21, 2026, 9:57 AM EDT
Terminated Phase 2 Interventional Results available

Supplemental Parenteral Nutrition in Pediatric Respiratory Failure

NCT01937884
View directory record Official record
Conditions
Acute Respiratory Failure With Hypoxia, Malnutrition
Interventions
Parenteral Nutrition
Drug
Lead sponsor
University of Arizona
Other
Eligibility
1 Month to 16 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 3, 2021 · Synced Oct 21, 2026, 9:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Absorption of Zinc (Zn) From Zn-biofortified and Zn-fortified Maize in Young Zambian Children Between 24-36 Months

NCT02208635
View directory record Official record
Conditions
Nutritional Deficiency
Interventions
Biofortified Maize, Fortified Maize, Control Maize
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
24 Months to 36 Months
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Oct 21, 2026, 9:57 AM EDT
Completed Phase 2Phase 3 Interventional

Open Label Clinical Trial of Vitamin D in Children With Autism

NCT01535508
View directory record Official record
Conditions
Autism, Vitamin D Deficiency
Interventions
Liquid Vitamin D
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
3 Years to 8 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2019 · Synced Oct 21, 2026, 9:57 AM EDT
Recruiting Phase 2Phase 3 Interventional

Study of Choline Chloride for Injection in Adolescent and Adult Patients With Intestinal Failure Receiving Long Term Parenteral Support

NCT06910943
View directory record Official record
Conditions
Choline Deficiency, Liver Injury
Interventions
Choline Chloride for Injection, Placebo
Drug
Lead sponsor
Protara Therapeutics
Industry
Eligibility
12 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
8
States / cities
Aurora, Colorado • Miami Lakes, Florida • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 21, 2026, 9:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Role of Vitamin D in Female Reproductive Tract Immunity

NCT02186535
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Vitamin D and Calcium
Dietary Supplement
Lead sponsor
CONRAD
Other
Eligibility
21 Years to 50 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 8, 2016 · Synced Oct 21, 2026, 9:57 AM EDT
Completed Not applicable Interventional

Impact of Providing High Protein Bar to Dialysis Patients With Low Serum Albumin

NCT00597025
View directory record Official record
Conditions
End Stage Renal Disease, Hypoalbuminemia, Malnutrition
Interventions
Protein Food Bar Intelligent Indulgence
Dietary Supplement
Lead sponsor
Satellite Healthcare
Other
Eligibility
18 Years and older
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2020 · Synced Oct 21, 2026, 9:57 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety of Vitamin D Supplementation in Older Persons

NCT00681590
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
cholecalciferol (vitamin D)
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
65 Years to 95 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2017 · Synced Oct 21, 2026, 9:57 AM EDT
Completed No phase listed Observational

Association Between Vitamin D and Inflammation and Diabetes Risk in Morbidly Obese Pre-Menopausal Women

NCT02169050
View directory record Official record
Conditions
Insulin Sensitivity
Interventions
Not listed
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
21 Years to 49 Years · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Oct 21, 2026, 9:57 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Prospective Evaluation of NOTES (Natural Orifice Translumenal Endoscopic Surgery) PEG "Rescue"

NCT01119040
View directory record Official record
Conditions
Malnutrition
Interventions
Natural Orifice Translumenal Endoscopic Surgery
Procedure
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 5, 2015 · Synced Oct 21, 2026, 9:57 AM EDT
Completed No phase listed Observational

FGF23 and Angiotensin-(1-7) in Hypophosphatemia (GAP)

NCT03489993
View directory record Official record
Conditions
Hypophosphatemia, X-linked Hypophosphatemia, Renin-angiotensin System, Left Ventricular Hypertrophy
Interventions
Ang II and Ang-(1-7), FGF23 and klotho
Diagnostic Test
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
2 Years to 24 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 5, 2022 · Synced Oct 21, 2026, 9:57 AM EDT
Completed No phase listed Observational

A Study of 25-hydroxy Vitamin d Levels in Non-itching Hemodialysis Patients

NCT01548716
View directory record Official record
Conditions
Vitamin D Deficiency, End Stage Renal Disease
Interventions
Not listed
Lead sponsor
Winthrop University Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2012 · Synced Oct 21, 2026, 9:57 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Ga-DOTATATE PET for Phosphaturic Mesenchymal Tumors in Patients With Tumor Induced Osteomalacia

NCT03736564
View directory record Official record
Conditions
Osteomalacia
Interventions
68Ga-DOTATATE PET/CT
Combination Product
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Oct 21, 2026, 9:57 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin Supplementation After Bariatric Surgery

NCT02686905
View directory record Official record
Conditions
Complications of Bariatric Procedures, Avitaminosis
Interventions
Chewable Multivitamin with Iron, PatchMD Vitamin D3/Calcium Patch, PatchMD Multivitamin Patch, PatchMD B12 Energy Plus Patch, Chewable Calcium, Quick Dissolve B12
Dietary Supplement
Lead sponsor
California State Polytechnic University, Pomona
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Brea, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2016 · Synced Oct 21, 2026, 9:57 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Natural Experiment Evaluating the Effect of a Minimum Wage Increase on Obesity and Diet-related Outcomes

NCT03962712
View directory record Official record
Conditions
Obesity, Nutrition Poor
Interventions
Increase Minimum Wage to $15-an-hour, No Increase in Minimum Wage
Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years and older
Enrollment
974 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 21, 2026, 9:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pilot Study of the Effect of Dietary Fat Type and Amount on Vitamin D3 Absorption

NCT01508845
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
cholecalciferol
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Oct 21, 2026, 9:57 AM EDT
Recruiting Not applicable Interventional

Nutritional Prehabilitation to Improve Cancer Outcomes (N-PICO)

NCT07072377
View directory record Official record
Conditions
Malnutrition, Cancer-related Malnutrition, Quality of Life (QOL), Nutritional Support, Nutritional Interventions, Rural Health
Interventions
Intensity of Nutritional Intervention, Remote or In-Person
Behavioral
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 21, 2026, 9:57 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Penicillamine Chelation for Children With Lead Poisoning

NCT00552630
View directory record Official record
Conditions
Lead Poisoning, Vitamin D Deficiency
Interventions
d-penicillamine, placebo
Device · Drug
Lead sponsor
FDA Office of Orphan Products Development
Federal
Eligibility
6 Months to 16 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 26, 2015 · Synced Oct 21, 2026, 9:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Vitamin D Deficiency and Vitamin D Supplementation on Glucose Metabolism

NCT00749918
View directory record Official record
Conditions
Prediabetes, Vitamin D Deficiency
Interventions
Cholecalciferol (vitamin D3)
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 20, 2008 · Synced Oct 21, 2026, 9:57 AM EDT
Active, not recruiting No phase listed Observational

Comprehensive Nutritional Geriatric Assessments in Identifying Malnutrition in Older Cancer Participants

NCT03035604
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Comprehensive Geriatric Assessment
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
65 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 21, 2026, 9:57 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Study to Learn About the Study Medicine Called PF-07258669 in Older Adults Including Those at Risk of Malnutrition

NCT07086664
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Placebo, PF-07258669
Drug
Lead sponsor
Pfizer
Industry
Eligibility
60 Years to 89 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
10
States / cities
Birmingham, Alabama • Atlantis, Florida • Bradenton, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Oct 21, 2026, 9:57 AM EDT
Completed Not applicable Interventional

Improving Safety of Diagnosis and Therapy in the Inpatient Setting

NCT04393909
View directory record Official record
Conditions
Delirium, Confusion, Mental Status Change, Back Pain, Hip Pain Chronic, Chest Pain, Asthma, COPD, Cellulitis, Soft Tissue Infections, Cough, Deep Vein Thrombosis, Pulmonary Embolism, Venous Thromboembolism, Dyspnea, Electrolyte Metabolism Abnormal, Fever, Failure to Thrive, Weakness, Protein-Calorie Malnutrition, Headache, Neck Pain, Hypoxia, Pneumonia, Sepsis, Syncope, Vomiting, Diarrhea, Leg Pain, Abdominal Pain
Interventions
Diagnostic Uncertainty Educational Curriculum, Diagnostic Timeout, Patient Diagnostic (Dx) Questionnaire, Enhancements to Epic-integrated Quality & Safety Dashboard
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Oct 21, 2026, 9:57 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

ALPCO 25(OH) Vitamin D CLIA Kit - Fresh Versus Frozen Serum and Plasma Stability Study

NCT07565064
View directory record Official record
Conditions
Vitamin D Deficiency, Vitamin D Insufficiency, Healthy Volunteers
Interventions
ALPCO 25(OH) Vitamin D CLIA Kit
Device
Lead sponsor
American Laboratory Products Company
Industry
Eligibility
22 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Salem, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 21, 2026, 9:57 AM EDT