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Results for “Vitamin D Concentration”

41 trials

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Showing 20 of 41 results

Not applicableStudy completedNCT02495584
What this trial is testing

D-Light Intervention

Who this might be right for
25-hydroxyvitamin D Concentration (Vitamin D Status)
University of Ulster 52
Post-approval studies (Phase 4)Study completedNCT01924910
What this trial is testing

A Single Wintertime Dose of Vitamin D3 to Prevent Winter Decline in Vitamin D Status in Healthy Adults

Who this might be right for
Vitamin D Deficiency
Emory University 28
Post-approval studies (Phase 4)Study completedNCT02158598
What this trial is testing

Comparison of Changes in Serum 25(OH)D Concentrations Following Vitamin D Supplementation With Chewable Tablets Versus Pills

Who this might be right for
Vitamin D Deficiency
CHU de Quebec-Universite Laval 38
Not applicableLooking for participantsNCT06921720
What this trial is testing

Phosphorus-31 Spectroscopy in Phosphate Diabetes

Who this might be right for
Phosphate DiabetesX-linked Hypophosphatemia
Hospices Civils de Lyon 65
Early research (Phase 1)Study completedNCT03103750
What this trial is testing

Vitamin D as a Therapeutic Adjunct in the Stimulant Treatment of ADHD

Who this might be right for
ADHD
Yale University 24
Not applicableStudy completedNCT05541094
What this trial is testing

Study of Vitamin D Fortification of Milk and Oil

Who this might be right for
Healthy Individuals
Dr. Anuradha Khadilkar 448
Not applicableStudy completedNCT01926808
What this trial is testing

Vitamin D Serum Concentrations & Supplementation in Children With Cerebral Palsy

Who this might be right for
Vitamin D Deficiency
Akron Children's Hospital 115
Not applicableUnknownNCT05018988
What this trial is testing

Vitamin D in School Children

Who this might be right for
Vitamin D DeficiencyMusculoskeletal DiseasesCognitive Delay, Mild
University of Ulster 118
Early research (Phase 1)Study completedNCT03537027
What this trial is testing

Efficiency of Vitamin D3 and 25-hydroxyvitamin D3 on Transcriptomic Changes of Low Vitamin D Responders

Who this might be right for
Vitamin D Receptor Target Gene ExpressionSerum 25(OH)D Concentration
University of Eastern Finland 40
Post-approval studies (Phase 4)Study completedNCT02186106
What this trial is testing

Dosage Calculation for Vitamin D Treatment

Who this might be right for
Deficiency, Vitamin DObesity
Bispebjerg Hospital 31
Not applicableStudy completedNCT01102751
What this trial is testing

Serum FGF-23 and Vitamin D Deficiency

Who this might be right for
Osteomalacia
Istanbul University
Not applicableStudy completedNCT03403647
What this trial is testing

Effect of Vitamin D on Everolimus Trough Concentrations Among Heart Transplanted Patients

Who this might be right for
Vitamin D Deficiency
Sheba Medical Center 11
Not applicableNot Yet RecruitingNCT07349459
What this trial is testing

Cardioprotective Effect of Melatonin Versus Vitamin D in Breast Cancer Patients Receiving Doxorubicin

Who this might be right for
MelatoninBreast Cancer Patients DiagnosedVitamin D Concentration+1 more
Tanta University 90
Testing effectiveness (Phase 2)Study completedNCT03310307
What this trial is testing

Vitamin D3 Treatment and Homocysteine Concentrations Among Overweight Reproductive Women

Who this might be right for
HomocystinaemiaVitamin D Deficiency
Al-Balqa Applied University 100
Not applicableStudy completedNCT02334592
What this trial is testing

Vitamin D Production Levels Achieved by Sunbed Tanning

Who this might be right for
Healthy
Vitamin D Society 87
Post-approval studies (Phase 4)Study completedNCT03035084
What this trial is testing

Is Vitamin D2 Treatment-associated Decrease in 25(OH)D3 Level a Reciprocal Phenomena?

Who this might be right for
Vitamin D Deficiency25-Hydroxyvitamin D Concentration
King Faisal Specialist Hospital & Research Center 100
Not applicableStudy completedNCT02460211
What this trial is testing

Acute Effect of Systemic Stress on Measured Blood Concentrations of 25 (OH) Vitamin D

Who this might be right for
Cardiovascular DiseaseVitamin D Deficiency
Intermountain Health Care, Inc. 150
Not applicableStudy completedNCT02150122
What this trial is testing

Dietary Requirement for Vitamin D in Adolescents Aged 14-18 Years

Who this might be right for
Serum 25-hydroxyvitamin D Concentrations (25OHD)
University of Surrey 120
Large-scale testing (Phase 3)Study completedNCT01909622
What this trial is testing

Trial of Vitamin D Fortified Milk

Who this might be right for
25-hydroxyvitamin D Serum Concentrations
University of Michigan 80
Post-approval studies (Phase 4)UnknownNCT04284059
What this trial is testing

Adjuvant Effects of Vitamin A and Vitamin D Supplementation on Treatment of Children With ADHD

Who this might be right for
ADHD
Chen Li 504
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