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Results for “Vitamin A Deficiency”

514 trials

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Showing 20 of 514 results

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
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
Not applicableStudy completedNCT05706259
What this trial is testing

A Comparative Dissolution and Absorption Study of an Orodispersible Powder, Chewable Tablet and Soft Gel Capsule Vitamin D3 Supplementation

Who this might be right for
Vitamin D Deficiency
Liaquat University of Medical & Health Sciences 40
Not applicableUnknownNCT03534674
What this trial is testing

Vitamin D3 Supplementation for AlloHSCT-RCT

Who this might be right for
Vitamin D Deficiency
University of British Columbia 84
Not applicableStudy completedNCT00267540
What this trial is testing

The Effect of Vitamin D on Bone Accretion and Turn-Over in Young Girls

Who this might be right for
Vitamin D Deficiency
University of Copenhagen 225
Large-scale testing (Phase 3)Ended earlyNCT01170442
What this trial is testing

Does Vitamin D Improve Glycemic Control in Type II DM?

Who this might be right for
Diabetes MellitusVitamin D Deficiency
King Faisal Specialist Hospital & Research Center 25
Not applicableStudy completedNCT04482465
What this trial is testing

Omega 3 and Vitamin D Dosage in a Population With Moderate to High Risk of AMD

Who this might be right for
Age-related Macular DegenerationVitamin D Deficiency
Universitaire Ziekenhuizen KU Leuven 50
Not applicableStudy completedNCT04655664
What this trial is testing

The Use of the 25 (OH) D Saliva Test as a Substitute for the 25 (OH) D Serum Test in Healthy People

Who this might be right for
Nutritional Deficiency
Universitas Sumatera Utara 56
Not applicableNot Yet RecruitingNCT06199102
What this trial is testing

The High Initial Dose of Monitored Vitamin D Supplementation in Preterm Infants.

Who this might be right for
Vitamin D DeficiencyOsteopenia of PrematurityNephrolithiasis+2 more
Princess Anna Mazowiecka Hospital, Warsaw, Poland 130
Not applicableStudy completedNCT04054505
What this trial is testing

Effectiveness of a Nutraceutical in Raising Circulating Serum Vitamin, Mineral and Amino Acid Levels in Patients.

Who this might be right for
Vitamin Deficiency
Optimal Health Research 275
Testing effectiveness (Phase 2)Looking for participantsNCT06525636
What this trial is testing

A First-in-human Study of KK8123 in Adults With X-linked Hypophosphatemia

Who this might be right for
X-linked Hypophosphatemia
Kyowa Kirin Co., Ltd. 24
Testing effectiveness (Phase 2)Study completedNCT02312687
What this trial is testing

Long-Term Extension Study of KRN23 in Adult Subjects With X-Linked Hypophosphatemia (XLH)

Who this might be right for
X-Linked Hypophosphatemia
Kyowa Kirin, Inc. 20
Not applicableUnknownNCT05950204
What this trial is testing

Effect of Supplementation With ω-3 Fatty Acids, Vitamin D and Calcium in Patients With Acute Lymphoblastic Leukemia.

Who this might be right for
Acute Lymphoblastic LeukemiaVitamin d Deficiency
Coordinación de Investigación en Salud, Mexico 40
Testing effectiveness (Phase 2)Study completedNCT01312714
What this trial is testing

Vitamin D3 Supplementation in Dialysis Patients

Who this might be right for
End-Stage Renal Disease
Regional Hospital Holstebro 64
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