Vitamin D Deficiency Clinical Trials

673 clinical trials for Vitamin D Deficiency across international registries, including 21 currently recruiting participants. Compare status, phase, eligibility criteria and locations.

• Vitamin D2 vs Vitamin D2 Plus Calcitriol in Cholestatic Children With Vitamin D Deficiency — RECRUITING · PHASE4
• Effect of Systemic Vitamin D on Dental Implant Osseointegration — RECRUITING · NA
• The Effect of Vitamin D Supplementation on the Anti-inflammatory Response in Periodontal Diseases — RECRUITING · NA
• Bone Myoregulation Reflex and Postural Control in Vitamin D Deficiency — RECRUITING
• ALPCO 25(OH) Vitamin D CLIA Kit - Fresh Versus Frozen Serum and Plasma Stability Study — RECRUITING
• Impact of Vitamin D Supplementation on the Rate of Pathologic Complete Response in Vitamin D Deficient Patients — RECRUITING · PHASE2
• Evaluation of the Clinical and Psychological Impact of Vitamin D Replacement in Adolescent Females at Risk for Polycystic Ovarian Syndrome (PCOS) — RECRUITING · NA
• Is There a Benefit From Addition of Exercise in Diabetic Patients With ED Who Complain Low Vitamin D? — RECRUITING · NA
• Effect of Vitamin D Deficiency on the Frequency and Severity of Spinal Anesthesia-Induced Hypotension in Pregnant Women Undergoing Cesarean Section — RECRUITING
• Effects of Different Vitamin D3 Formulations in Vitamin D-Deficient Adults — RECRUITING · NA
• The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill Patients — RECRUITING · PHASE3
• Vitamin A Supplementation in Allogeneic Stem Cell Transplantation. — RECRUITING · PHASE2
• Challenges in Achieving Adequate Dietary Status of Women — RECRUITING
• High Dose Interval Vitamin D Supplementation in Patients With Inflammatory Bowel Disease Receiving Biologic Therapy — RECRUITING
• Investigating the Relationship Between Temporal Bone CT, Bone Density, and Hearing Loss in Otosclerosis Patients — RECRUITING
• Vitamin D and Polycystic Ovarian Syndrome (PCOS) — RECRUITING · PHASE2
• Vitamin D and Health Status of British African-Caribbean Women — RECRUITING
• Resistive Exercise Versus HIIT on Calcium and Vitamin D — RECRUITING · NA
• Early Vitamin D3 Supplementation for Critically Ill Patients — RECRUITING · NA
• Vitamin D for Critically Traumatic Patients — RECRUITING · NA
• Oral Vitamin D Supplementation Prevent Peritoneal Dialysis-related Peritonitis — RECRUITING · PHASE4
• VITDALIZE UK: Effect of high-dose vitamin D3 on 28-day mortality in adult critically ill patients with severe vitamin D deficiency — ACTIVE_NOT_RECRUITING
• Comparison between intake of a monthly dose of vitamin D (D-CURE®) against a daily dose of vitamin D (VISTA-D3®) — COMPLETED · PHASE4
• A randomized, double-blind, parallel-group study evaluating efficacy and safety of MEGA tablets compared to Kalcipos® tablets in adult Subjects — COMPLETED · PHASE3
• Local and Systemic Inflammatory Bone Alterations Related to Dental Implant Survival. — ACTIVE_NOT_RECRUITING
• Vitamin D Status and Asthma Control, Pulmonary Function, and Oxidative Stress in Adults With Bronchial Asthma — NOT_YET_RECRUITING
• Vitamin D Status and Lipid Profile in Obese Adults With Type 2 Diabetes — NOT_YET_RECRUITING
• ViDES Trial (Vitamin D Extra Supplementation) — ACTIVE_NOT_RECRUITING · NA
• Randomized Trial of Enteral Vitamin D Supplementation in Infants < 28 Weeks Gestational Age or <1000 Grams Birth Weight — ACTIVE_NOT_RECRUITING · NA
• Collegiate Athlete Study — COMPLETED · NA
• Clinical Comparative Evaluation of the Use of Photodynamic Therapy in Conjunction With the Use of Vitamin D in Management Stage II Grade B Periodontitis Patients — COMPLETED · NA
• Clinical Assessment of Adjunctive Omega-3 Versus Vitamin D Daily Supplements on Active Periodontal Therapy With Stage II Grade B Periodontitis Patients — COMPLETED · NA
• A Household-Based Dietary Intervention Study of Vitamin D Fortified Bread in Irish Families — COMPLETED · NA
• Vitamin D Sulfates in Breastmilk — COMPLETED · NA
• Effect of Vitamin D on Postoperative Pain in Symptomatic Irreversible Pulpitis — ACTIVE_NOT_RECRUITING · NA
• Serum Vitamin D Status in Critically Ill Children With Acute Respiratory Infections — NOT_YET_RECRUITING
• The Role of Vitamin D in the Pathophysiology of Chronic Failure — COMPLETED · PHASE4
• Identification and Characterization of At-risk MASLD in Turkish Adults — COMPLETED
• Cholecalciferol in Newly Diagnosed Non-Hodgkin Lymphoma or Chronic Lymphocytic Leukemia With Vitamin D Deficiency — COMPLETED · NA
• Risk in Devel Long-COVID in Contracting SARS-CoV-2 Infection After COVID-19 Vaccination in Relation to Vitamin D3 Suppl — COMPLETED
• The Role of Urinary RhoA, NGF, and BDNF Levels in Overactive Bladder and Vitamin D Deficiency — NOT_YET_RECRUITING · NA
• Safety, Efficacy, PK and PD of CTAP101 (Calcifediol) ER Capsules for SHPT in HD Patients VDI — TERMINATED · PHASE2
• High-dose Vitamin D Supplements in Older Adults — ACTIVE_NOT_RECRUITING · PHASE2
• Vitamin D Status in Young Medical Residents — COMPLETED
• Vitamin D Versus Desmopressin Versus Combination Therapy in Children With Primary Monosymptomatic Nocturnal Enuresis and Vitamin D Deficiency — COMPLETED · NA
• Effect of Vitamin D Supplementation on Metabolic Parameters in Patients With Type 2 Diabetes and Vitamin D Deficiency — COMPLETED · NA
• PREDIN: Pregnancy and Vitamin D Intervention Study — COMPLETED · NA
• Vitamin D Status in Hemodialysis Transplant Candidates and Living Donors — COMPLETED
• Vitamin D Levels in SARS-CoV-2: Do Current Adequacy Thresholds Reflect Clinical Risk? Insights From a Large Turkish Cohort — COMPLETED
• Metabolic Syndrome and Vitamin D Level in Old People — COMPLETED

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