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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:39 AM EDT

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Showing 289–312 of 604 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Dietary Deficiency Clear all
Completed No phase listed Observational

Using Exhaled Air to Determine Changes in Nutritional Status of Patients on Intravenous Nutrition

NCT02843256
View directory record Official record
Conditions
Obesity, Malnourished, Fasting
Interventions
Isomark Canary
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Keiki (Pediatric) Produce Prescription (KPRx) Program Hawaii

NCT05442424
View directory record Official record
Conditions
Malnutrition, Child, Obesity, Food Selection, Nutrition Poor
Interventions
Produce Voucher, Wait-List Control
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
2 Years to 8 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 21, 2026, 5:39 AM EDT
Not listed Not applicable Interventional

RCT: Early Feeding After PEG Placement

NCT04110613
View directory record Official record
Conditions
Critical Illness, Malnutrition, Gastrostomy, Procedural Sequelae, Trauma, Surgery, Mechanical Ventilation
Interventions
noFast: Start tube feeds within 1 hour of procedure
Dietary Supplement
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 26, 2021 · Synced Oct 21, 2026, 5:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Salt-FA to Increase Folate Levels

NCT06174883
View directory record Official record
Conditions
Neural Tube Defects, Folic Acid Deficiency, Spina Bifida, Anencephaly-Spina Bifida
Interventions
Folic acid fortified iodized salt
Dietary Supplement
Lead sponsor
Hydrocephalus and Neuroscience Institute
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Dec 19, 2023 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Not applicable Interventional

Home Parenteral Nutrition (HPN) Families' Mobile Distance Connections to Care Research

NCT01900288
View directory record Official record
Conditions
Short Bowel Syndrome, Malabsorption, Malnutrition
Interventions
HPN Group Clinic Appointments using Mobile Devices (experimental), Mobile Device Access (placebo)
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
13 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2017 · Synced Oct 21, 2026, 5:39 AM EDT
Recruiting Phase 3 Interventional

OPI-NXYDLD-303 Safety and Efficacy of Phentolamine Ophthalmic Solution in Keratorefractive Surgery Participants With Decreased Mesopic Visual Acuity

NCT07140783
View directory record Official record
Conditions
Vision Loss Night, Vision Disorders
Interventions
0.75% Phentolamine Ophthalmic Solution, Placebo
Drug
Lead sponsor
Opus Genetics, Inc
Industry
Eligibility
18 Years and older
Enrollment
580 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
20
States / cities
Chandler, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 16 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 21, 2026, 5:39 AM EDT
Approved For Marketing No phase listed Expanded access

Expanded Access Program for Asfotase Alfa Treatment for Patients With Infantile- or Juvenile-onset Hypophosphatasia (HPP)

NCT02496689
View directory record Official record
Conditions
Hypophosphatasia
Interventions
asfotase alfa
Biological
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Not listed
U.S. locations
2
States / cities
Lakewood, Colorado • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2019 · Synced Oct 21, 2026, 5:39 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Breath Analysis & Malnutrition

NCT06115148
View directory record Official record
Conditions
Malnutrition
Interventions
Feeding, Fasting
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 95 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a 10 Component Dietary Supplement on Health and the Quality of Life

NCT03052491
View directory record Official record
Conditions
Blood Pressure, HDL Low, Stress, Lung Function Decreased, Quality of Life, Energy Supply; Deficiency, Concentration Ability Impaired, Joint Instability, Immune Deficiency
Interventions
Stem Cell 100+
Dietary Supplement
Lead sponsor
Centagen, Inc.
Industry
Eligibility
35 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 14, 2017 · Synced Oct 21, 2026, 5:39 AM EDT
Completed No phase listed Observational

Studying Malnutrition And Sarcopenia In Older Adults With Acute Myeloid Leukemia

NCT05458258
View directory record Official record
Conditions
Acute Myeloid Leukemia, Leukemia, Myeloid
Interventions
Bioelectrical Impedence Analysis Device, 6 Minute Walk Test, Computed Tomography Scans to Measure Skeletal Muscular Index, Blood Test/Blood Draw, Hand Grip Strength Test
Device · Other · Diagnostic Test
Lead sponsor
University of Chicago
Other
Eligibility
60 Years and older
Enrollment
239 participants
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Oct 21, 2026, 5:39 AM EDT
Not listed Not applicable Interventional

Vitamin D in Pediatric Asthma: a Randomized Controlled Open-label Pilot Trial

NCT02054975
View directory record Official record
Conditions
Asthma, Vitamin D Deficiency
Interventions
Vitamin D2 + vitamin D3, Vitamin D3
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
8 Years to 17 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Optimization of Blood Levels of 25(OH)-Vitamin D in African Americans

NCT04939792
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Vitamin D, Placebo, Vitamin D + L-cysteine, L-cysteine
Drug
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 65 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 8, 2023 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

How Does Magnesium Status Influence Calcium Homeostasis?

NCT01593501
View directory record Official record
Conditions
Magnesium Deficiency, Calcium Metabolism Disorders
Interventions
vitamin D3
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
30 Years to 75 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Vitamin D Increases Serum Levels of the Soluble Receptor for Advanced Glycation End Products in Women With PCOS

NCT03644212
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Vitamin D Deficiency
Interventions
Vitamin D3
Drug
Lead sponsor
Maimonides Medical Center
Other
Eligibility
16 Years to 48 Years · Female only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Not applicable Interventional

African American Children, Glycemic Control, and Type 2 Diabetes

NCT01325987
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 20, 2014 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Not applicable Interventional

The Effect of Higher Protein Dosing in Critically Ill Patients

NCT03160547
View directory record Official record
Conditions
Critical Illness, Malnutrition
Interventions
Usual Protein/Amino Acid Group, Higher Protein/Amino Acid Group
Other
Lead sponsor
Clinical Evaluation Research Unit at Kingston General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
21
States / cities
Phoenix, Arizona • Long Beach, California • Evanston, Illinois + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety, Efficacy, and Feasibility of High-dose Cholecalciferol in Pediatric Patients With Cystic Fibrosis

NCT02613884
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Treatment
Drug
Lead sponsor
Johns Hopkins All Children's Hospital
Other
Eligibility
36 Months to 18 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Feb 3, 2021 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Vitamin D Insufficiency in Man

NCT01848236
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Vitamin D2, Vitamin D3
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2020 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Phase 1 Interventional

Pilot Study of the Safety and Efficacy of Oxandrolone in the Prevention and Treatment of Malnutrition in Infants

NCT01048632
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Oct 21, 2026, 5:39 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Early DHA/ARA Supplementation in Growth-restricted Very Preterm Infants: A Randomized Clinical Trial

NCT06207071
View directory record Official record
Conditions
Infant Malnutrition, Light-For-Dates With Signs of Fetal Malnutrition, Premature, Nutrition Disorder, Infant
Interventions
DHA
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
24 Hours to 72 Hours
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 5:39 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, 5:39 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effect of Vitamin D Statues on Endothelial Function

NCT01049048
View directory record Official record
Conditions
Cardiovascular Diseases, Vitamin D Deficiency
Interventions
Vitamin D3, Placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
55 Years to 65 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 5, 2015 · Synced Oct 21, 2026, 5:39 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy Study of Asfotase Alfa in Adolescents and Adults With Hypophosphatasia (HPP)

NCT01163149
View directory record Official record
Conditions
Hypophosphatasia
Interventions
asfotase alfa
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
13 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
St Louis, Missouri • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Oct 21, 2026, 5:39 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Vitamin D Versus Placebo in the Treatment of Vague Musculoskeletal Pain in Children

NCT00944606
View directory record Official record
Conditions
Hypovitaminosis D
Interventions
Vitamin D, Placebo candy
Dietary Supplement · Other
Lead sponsor
University of New Mexico
Other
Eligibility
5 Years to 14 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Mar 1, 2012 · Synced Oct 21, 2026, 5:39 AM EDT