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Results for “Vitamin Deficiency”

1,379 trials

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Showing 20 of 1,379 results

Not applicableUnknownNCT04778865
What this trial is testing

Effect of Treatment for Vitamin D Deficiency on Thyroid Function and Autoimmunity in Hashimoto's Thyroiditis.

Who this might be right for
Hashimoto DiseaseTreatment LevothyroxineVitamin D Deficiency
Universidad de Valparaiso 50
Not applicableStudy completedNCT02906319
What this trial is testing

Vitamin D and HbA1c Levels in Diabetic Patients With CKD

Who this might be right for
Vitamin D DeficiencyDiabetes Mellitus
Ng Yong Muh 100
Large-scale testing (Phase 3)Study completedNCT01600430
What this trial is testing

Vitamin D Supplementation for Extremely Preterm Infants

Who this might be right for
Vitamin D DeficiencyPreterm InfantsBronchopulmonary Dysplasia
University of Alabama at Birmingham 100
Not applicableUnknownNCT04438200
What this trial is testing

Liver and Bone Retinol Levels in Guatemalan Adolescents and Adults

Who this might be right for
Vitamin A DeficiencyVitamin A ToxicityHypervitaminosis A
Newcastle University 150
Large-scale testing (Phase 3)Study completedNCT02526160
What this trial is testing

Study of KRN23 in Adults With X-linked Hypophosphatemia (XLH)

Who this might be right for
X-linked Hypophosphatemia
Kyowa Kirin, Inc. 134
Early research (Phase 1)Study completedNCT00830674
What this trial is testing

KRN23 in X-linked Hypophosphatemia

Who this might be right for
X-linked Hypophosphatemia
Kyowa Kirin Co., Ltd. 42
Not applicableUnknownNCT04127968
What this trial is testing

Efficacy and Safety of Vitamin A Treatment for Children With Sepsis

Who this might be right for
Vitamin A DeficiencyPediatricSepsis
West China Hospital 450
Not applicableWithdrawnNCT05650268
What this trial is testing

Effects of Stoss Therapy of Vitamin D3 on Peri-operative Outcomes in Patients Receiving General Surgery

Who this might be right for
Vitamin D DeficiencySurgery
National Taiwan University Hospital
Large-scale testing (Phase 3)Study completedNCT03792984
What this trial is testing

The Effect of Calcium and Vitamin D Supplements on Metabolic and Hormonal Disturbances in Polycystic Ovary Syndrome Patients

Who this might be right for
Polycystic Ovary SyndromeVitamin D Deficiency/Insufficiency
Damascus University 40
Not applicableStudy completedNCT04587076
What this trial is testing

Evaluation of Protein Intake and Micronutrient Supplementation After Bariatric Surgery

Who this might be right for
Protein MalnutritionVitamin DeficiencyMineral Deficiency+3 more
University Medicine Greifswald 38
Large-scale testing (Phase 3)Study completedNCT05306704
What this trial is testing

High-Dose Vitamin D3 Supplementation in the Treatment of Human Immune Deficiency Virus Patients Trial

Who this might be right for
HIV-1-infectionHypovitaminosis D
University of the Punjab 95
Very early researchUnknownNCT04309058
What this trial is testing

Observation of the Effect of Vitamin D Supplementation on Chronic Course of Patients With Ulcerative Colitis Based on Vitamin D Receptor Fok I Gene Polymorphism

Who this might be right for
Ulcerative ColitisVitamin D DeficiencyVitamin D Supplement
Second Affiliated Hospital of Wenzhou Medical University 100
Testing effectiveness (Phase 2)Study completedNCT00416715
What this trial is testing

Vitamin D Deficiency, Muscle Pain, Joint Pain, and Joint Stiffness in Postmenopausal Women Receiving Letrozole For Stage I-III Breast Cancer

Who this might be right for
ArthralgiaMusculoskeletal ComplicationsPain+6 more
University of Washington 100
Large-scale testing (Phase 3)Study completedNCT00527306
What this trial is testing

Prevention of Recurrent Aphthous Stomatitis Using Vitamins

Who this might be right for
Aphthous Stomatitis
UConn Health 160
Large-scale testing (Phase 3)Study completedNCT01384539
What this trial is testing

Vitamin D and Arterial Function in Patients With Chronic Kidney Disease

Who this might be right for
Arterial DysfunctionChronic Kidney Disease
University of Colorado, Denver 128
Not applicableNot Yet RecruitingNCT05322538
What this trial is testing

Menier's Disease - Bone Density Study

Who this might be right for
Meniere DiseaseOsteoporosisOsteopenia+2 more
HaEmek Medical Center, Israel 60
Not applicableUnknownNCT01672047
What this trial is testing

Effect of Vitamin D Supplementation on Coronary Calcification and Parathyroid Hormone in CKD Patients

Who this might be right for
Chronic Kidney DiseaseVitamin D Deficiency
Peking University People's Hospital 350
Not applicableActive Not RecruitingNCT06452082
What this trial is testing

Retrospective Observational Study on the Risk in Developing Long-COVID Syndrome and in Contracting SARS-CoV-2 Infection After COVID-19 Vaccination in Relation to Vitamin D3 Supplementation

Who this might be right for
Vitamin d DeficiencyCOVID-19Long COVID
IRCCS San Raffaele 200
Post-approval studies (Phase 4)Study completedNCT01295879
What this trial is testing

Vitamin D Repletion in Stone Formers With Hypercalciuria

Who this might be right for
NephrolithiasisUrolithiasisIdiopathic Hypercalciuria+2 more
New York Presbyterian Hospital 30
Testing effectiveness (Phase 2)Study completedNCT03264625
What this trial is testing

The Effects of Oral Vitamin D Supplementation on the Prevention of Peritoneal Dialysis-related Peritonitis

Who this might be right for
Peritoneal Dialysis-associated PeritonitisVitamin D Deficiency
Peking University First Hospital 60
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