Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
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.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 1:23 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 49–72 of 604 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Dietary Deficiency Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Vitamin D Replacement on Insulin Sensitivity

NCT01268111
View directory record Official record
Conditions
Insulin Sensitivity
Interventions
Ergocalciferols, Placebo
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Odessa, Texas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Oct 20, 2026, 1:23 AM EDT
Terminated Not applicable Interventional

Hypovitaminosis D and an Inadequate PTH Response in Chronic Liver Disease Patients

NCT00599352
View directory record Official record
Conditions
Chronic Liver Disease, Hypovitaminosis
Interventions
magnesium
Dietary Supplement
Lead sponsor
Rajib Bhattacharya, MD
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 30, 2013 · Synced Oct 20, 2026, 1:23 AM EDT
Completed No phase listed Observational

Analysis of Hypovitaminosis D and Osteopenia/Osteoporosis in Spinal Disease Patients Who Underwent a Spinal Fusion at Illinois Neurological Institute, Peoria, IL., a Retrospective Review From November 1, 2012 to October 31, 2014 and Prospective Pilot From July 1, 2015-June 30, 2016

NCT02534714
View directory record Official record
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 28, 2018 · Synced Oct 20, 2026, 1:23 AM EDT
Not listed Not applicable Interventional

The Effect of Vitamin D Repletion in Patients With Hepatocellular Carcinoma on the Orthotopic Liver Transplant List

NCT01575717
View directory record Official record
Conditions
Vitamin D Deficiency, Hepatocellular Carcinoma
Interventions
Vitamin D3 4000 IU, Vitamin D3 2000 IU
Drug
Lead sponsor
Andrea Branch
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 24, 2012 · Synced Oct 20, 2026, 1:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study on a Locally Prepared Food Supplement to Support Growth and Brain Health

NCT03319589
View directory record Official record
Conditions
Malnutrition
Interventions
Supplement
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
24 Months to 84 Months
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 24, 2017 · Synced Oct 20, 2026, 1:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Vitamin D Levels Following Topical Application of Vitamin D Ointment

NCT02676674
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Dose 1, Dose 2
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Oct 20, 2026, 1:23 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Evaluation of a Transdermal Vitamin D3 Delivery System, D3forME

NCT02174718
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Transdermal D Patch, Oral vitamin D3, Placebo patch, Oral placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 2, 2018 · Synced Oct 20, 2026, 1:23 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 20, 2026, 1:23 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Effect of Vitamin K on Age-Related Bone Loss and Vascular Calcification

NCT00183001
View directory record Official record
Conditions
Osteoporosis, Vascular Calcification, Inflammation
Interventions
Vitamin K
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
60 Years to 80 Years
Enrollment
452 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 16, 2009 · Synced Oct 20, 2026, 1:23 AM EDT
Completed No phase listed Observational

Study of Physical and Mental Health of Older Patients With Newly Diagnosed Cancer

NCT00769951
View directory record Official record
Conditions
Cognitive/Functional Effects, Depression, Hematopoietic/Lymphoid Cancer, Malnutrition, Pain, Psychosocial Effects of Cancer and Its Treatment, Unspecified Adult Solid Tumor, Protocol Specific, Weight Changes
Interventions
medical chart review, questionnaire administration, cognitive assessment, psychosocial assessment and care, quality-of-life assessment
Other · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
65 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Oct 20, 2026, 1:23 AM EDT
Completed Not applicable Interventional

Effectiveness of Oral Nutritional Supplements (ONS) in a Meals-on-Wheels Population

NCT00933153
View directory record Official record
Conditions
Elderly, Malnutrition
Interventions
Ensure Plus, Meals on Wheels
Dietary Supplement
Lead sponsor
Texas Christian University
Other
Eligibility
60 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jun 13, 2014 · Synced Oct 20, 2026, 1:23 AM EDT
Completed No phase listed Observational

An Observational Study to Assess Malnutrition Risk

NCT06709001
View directory record Official record
Conditions
Malnutrition
Interventions
Not listed
Lead sponsor
Abbott Nutrition
Industry
Eligibility
1 Year to 5 Years
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Oct 20, 2026, 1:23 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 20, 2026, 1:23 AM EDT
Completed No phase listed Observational

Effects of Dietary Carbohydrate and Fat on Hormones

NCT00016848
View directory record Official record
Conditions
Healthy, Deficiency Disease
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 20, 2026, 1:23 AM EDT
Completed Not applicable Interventional Results available

Treatment of Hypovitaminosis D in Rheumatoid Arthritis

NCT00423358
View directory record Official record
Conditions
Rheumatoid Arthritis, Hypovitaminosis D
Interventions
Vitamin D, placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 90 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 24, 2015 · Synced Oct 20, 2026, 1:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Utility of a Urine Screening Tool for Vitamin D Deficiency in Infants and Toddlers

NCT01105689
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Not listed
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
6 Months to 3 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2011 · Synced Oct 20, 2026, 1:23 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Medical Nutrition Therapy for Medically Complex Infants in the Pediatric Outpatient Setting

NCT03522558
View directory record Official record
Conditions
Growth Failure in Medically Complex Infants, Growth Failure, Malnutrition in Medically Complex Infants, Malnutrition, Nutrition in Medically Complex Infants, Nutrition, Nutrition Disorder, Infant
Interventions
Standardized Medical Nutrition Therapy, Usual Care
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Up to 2 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 16, 2018 · Synced Oct 20, 2026, 1:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Solius UV Light Source in Improving Serum Levels of 25-hydroxyvitamin D

NCT04865432
View directory record Official record
Conditions
Vitamin D Deficiency, Vitamin D Insufficiency
Interventions
UVB treatment
Device
Lead sponsor
Boston University
Other
Eligibility
22 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 23, 2022 · Synced Oct 20, 2026, 1:23 AM EDT
Active, not recruiting Not applicable Interventional

Malnutrition Screening and Dietary Intervention to Improve Nutrition Outcomes in Patients With Unresectable Pancreatic Cancer

NCT06090916
View directory record Official record
Conditions
Stage III Pancreatic Cancer, Pancreatic Adenocarcinoma Non-resectable
Interventions
Best Practice, Dietary Intervention, Medical Chart Review, Medical Device Usage and Evaluation, Nutritional Assessment, Questionnaire Administration
Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 20, 2026, 1:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acceptability and Tolerance of a Protein and Micronutrient Fortified Food

NCT03041103
View directory record Official record
Conditions
Poor Nutrition
Interventions
Food Product 1
Other
Lead sponsor
University of California, Davis
Other
Eligibility
9 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 20, 2026, 1:23 AM EDT
Completed Not applicable Interventional

Evaluation of MF4637 for Correcting the Omega-3 Nutritional Deficiency in NAFLD Patients

NCT02923804
View directory record Official record
Conditions
Non Alcoholic Fatty Liver
Interventions
Omega-3, Olive oil
Dietary Supplement
Lead sponsor
Pronova BioPharma
Industry
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
7
States / cities
Hialeah, Florida • Lake Worth, Florida • Lauderdale Lakes, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Oct 20, 2026, 1:23 AM EDT
Completed Not applicable Interventional Results available

Pancreatic Enzymes to Restore Digestive Function in Malnourished Gastric Bypass Patients

NCT00510744
View directory record Official record
Conditions
Obesity
Interventions
pancreatic enzyme supplement
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 2, 2016 · Synced Oct 20, 2026, 1:23 AM EDT
Completed Early Phase 1 Interventional

Does Supplementing Vitamin D Deficiency Affect Fusion Healing Rates in Elective Foot and Ankle Surgery?

NCT04450199
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Vitamin D2, Placebo
Drug · Other
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
18 Years to 89 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 18, 2024 · Synced Oct 20, 2026, 1:23 AM EDT
Terminated Not applicable Interventional

PK/PD of Vitamin D3 in Adults With CF

NCT03734744
View directory record Official record
Conditions
Vitamin D Deficiency, Cystic Fibrosis
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 20, 2026, 1:23 AM EDT