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Results for “Vitamin D3 Deficiency”

1,049 trials

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Showing 20 of 1,049 results

Testing effectiveness (Phase 2)WithdrawnNCT03019120
What this trial is testing

Vitamin D Supplementation and Neurocognition

Who this might be right for
Vitamin D DeficiencyNeurocognitive Dysfunction
Rambam Health Care Campus
Not applicableStudy completedNCT02024490
What this trial is testing

The Effect of Maternal and Neonatal Vitamin D Levels on Respiratory Distress Syndrome in Preterm Infants

Who this might be right for
Vitamin D Deficiency
Kanuni Sultan Suleyman Training and Research Hospital 100
Not applicableStudy completedNCT01349127
What this trial is testing

Trial to Assess Vitamin D Requirements in Lactating Women

Who this might be right for
Vitamin D DeficiencyVitamin D Insufficiency
University College Cork 136
Not applicableUnknownNCT03584529
What this trial is testing

Association Between Vitamin D and the Development of Uterine Fibroids

Who this might be right for
Gynaecological DiseaseVitamin D Deficiency
Second Affiliated Hospital of Wenzhou Medical University 360
Large-scale testing (Phase 3)Study completedNCT01689779
What this trial is testing

High Dose Preoperative Cholecalciferol Supplementation and Perioperative Vitamin D Status

Who this might be right for
Hypovitaminosis D
Massachusetts General Hospital 60
Large-scale testing (Phase 3)Study completedNCT02881957
What this trial is testing

Hypovitaminosis D in Neurocritical Patients

Who this might be right for
Craniocerebral TraumaIntracranial AneurysmBrain Neoplasms+7 more
University of Utah 274
Not applicableStudy completedNCT05376865
What this trial is testing

Effects of Vitamin D Supplementation on Obesity, Inflammatory and Metabolic Markers

Who this might be right for
OverweightHypovitaminosis D
Tirang R. Neyestani, Ph.D. 46
Post-approval studies (Phase 4)Study completedNCT02805907
What this trial is testing

Efficacy of Calcifediol Supplementation in Asthma Control in Asthmatic Patients With Vitamin D Deficiency (ACViD)

Who this might be right for
Asthma, Bronchial
MurciaSalud 112
Post-approval studies (Phase 4)Study completedNCT01436916
What this trial is testing

Oral Cholecalciferol in Prevention of Type 2 Diabetes Mellitus

Who this might be right for
PrediabetesVitamin D Deficiency
Post Graduate Institute of Medical Education and Research, Chandigarh 50
Not applicableStudy completedNCT02136407
What this trial is testing

Seasonal Variations in Serum 25-hydroxy Vitamin-D Levels in a Swedish Cohort

Who this might be right for
Vitamin-D Insufficiency
Sahlgrenska University Hospital 615
Post-approval studies (Phase 4)UnknownNCT01632514
What this trial is testing

Vitamin D Deficiency and Postoperative Hypocalcemia

Who this might be right for
Hypocalcemia
University of Sao Paulo General Hospital 90
Testing effectiveness (Phase 2)Study completedNCT00710021
What this trial is testing

Vitamin D3 in Systemic Lupus Erythematosus

Who this might be right for
Systemic Lupus ErythematosusSLELupus
National Institute of Allergy and Infectious Diseases (NIAID) 57
Not applicableActive Not RecruitingNCT06562426
What this trial is testing

Relationship Between Maternal Awareness About Vitamin D for Under- Five Years Children and Their Health Status Outcomes

Who this might be right for
Maternal Care PatternsChild Nutrition DisordersVitamin D Deficiency
Alexandria University 300
Not applicableStudy completedNCT04682626
What this trial is testing

Effect of Weekly High-dose Vitamin D3 Supplementation on the Association Between Circulatory FGF-23 and A1c Levels

Who this might be right for
Diabetes Mellitus, Type 2Kidney Diseases
Applied Science Private University 150
Large-scale testing (Phase 3)Study completedNCT00674154
What this trial is testing

Effect of Vitamin D Treatment in Primary Hyperparathyroidism

Who this might be right for
Vitamin D DeficiencyPrimary HyperparathyroidismHypercalcemia
University of Aarhus 46
Not applicableStudy completedNCT00099762
What this trial is testing

Catheterization to Locate Mesenchymal Tumors in Patients With Tumor-Induced Osteomalacia or Oncogenic Osteomalacia

Who this might be right for
OsteomalaciaNeoplasms
National Institute of Dental and Craniofacial Research (NIDCR) 45
Not applicableStudy completedNCT03203382
What this trial is testing

Corneal Nerve Structure in Sjogren's

Who this might be right for
Sjogren's SyndromeVitamin D Deficiency
University of Pennsylvania 100
Not applicableUnknownNCT02147782
What this trial is testing

Clinical Observation on Bone Metabolism Induced by Chronic Renal Insufficiency

Who this might be right for
Chronic Renal InsufficiencyRenal Osteodystrophy
Shanghai University of Traditional Chinese Medicine 300
Large-scale testing (Phase 3)Study completedNCT01419262
What this trial is testing

DO IT Trial: Vitamin D Outcomes and Interventions In Toddlers

Who this might be right for
Respiratory Tract InfectionsAsthmaAvitaminosis
The Hospital for Sick Children 703
Not applicableStudy completedNCT01325987
What this trial is testing

African American Children, Glycemic Control, and Type 2 Diabetes

Who this might be right for
Type 2 DiabetesVitamin D Deficiency
University of Alabama at Birmingham 31
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