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10 studies found for:    CYP27B1
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Rank Status Study
1 Completed The Role of Narrowband Ultraviolet B Exposure in the Maintenance of Vitamin D Levels During Winter
Condition: Vitamin D Deficiency
Intervention: Radiation: nbUVB
2 Completed
Has Results
Suspected Deficient Activation of Vitamin D in Patients With Secondary Hyperparathyroidism
Condition: Secondary Hyperparathyroidism
Intervention: Drug: Teriparatide
3 Completed
Has Results
Role of Extrarenal 1-Alpha-Hydroxylase in Patients With End Stage Renal Disease
Condition: End-Stage Renal Disease
Intervention: Drug: Cholecalciferol
4 Unknown  Supplementary Intake of Vitamin D During 12 Weeks Strength Training in Younger and Older People
Conditions: Muscle Strength;   Tendon Elasticity;   Muscle CSA;   Tendon CSA;   VDR Receptor
Intervention: Other: 12 weeks Strength exercise training
5 Recruiting Effect of Vitamin D on Drug Resistant Helicobacter Pylori (HP) Eradication Study
Condition: H. Pylori Infection
Interventions: Drug: Esomeprazole;   Drug: Amoxicillin-Potassium Clavulanate Combination;   Drug: Clarithromycin;   Drug: Vitamin D3
6 Completed Vitamin D Supplementation and Male Infertility: The CBG-study a Randomized Clinical Trial
Condition: Male Infertility
Interventions: Drug: Cholecalciferol and calcium;   Other: Placebo
7 Recruiting Clinical Tests to Predict the Success of Assisted Reproductive Techniques
Condition: Infertility
8 Completed Serum 1,25-dihydroxyvitamin D Levels in Type 2 Diabetes Mellitus Patients With Different Levels of Albuminuria
Condition: Type 2 Diabetes Mellitus With Diabetic Nephropathy
9 Completed The Influence of Vitamin D on Atypical Antipsychotic-induced Weight Gain
Conditions: Schizophrenia;   Metabolic Syndrome;   Vitamin D Deficiency
Intervention: Other: Blood Draw
10 Completed
Has Results
Cholecalciferol and Genistein Before Surgery in Treating Patients With Early Stage Prostate Cancer
Conditions: Prostate Adenocarcinoma;   Stage I Prostate Cancer;   Stage IIA Prostate Cancer;   Stage IIB Prostate Cancer
Interventions: Drug: Cholecalciferol;   Drug: Genistein;   Other: Laboratory Biomarker Analysis;   Other: Pharmacological Study;   Other: Placebo

Study has passed its completion date and status has not been verified in more than two years.