| Antiresorptive Effect of Treatment With Risedronate and Vitamin D in Postmenopausal Patients (NCT05346419) | Hospital Regional 1o de Octubre | 2021-07-01 |
| The Role of Vitamin D Supplementation on Pain in Women With Primary Dysmenorrhea and Hypovitaminosis D (NCT04829487) | Mahidol University | 2021-05-01 |
| Frequency of Hyperparathyroidism in Postmenopausal Osteoporosis and Its Treatment (NCT05347082) | Hospital Regional 1o de Octubre | 2021-04-29 |
| Effect of Vitamin D and Denosumab on Bone Remodelling in Women With Postmenopausal Osteoporosis (NCT05372224) | Hospital Regional 1o de Octubre | 2020-06-22 |
| Vitamin D and Adipose Tissue: a Complex Relationship (NCT05957692) | Azienda Ospedaliera Universitaria Integrata Verona | 2020-01-01 |
| High-Dose Vitamin D3 Supplementation in the Treatment of Human Immune Deficiency Virus Patients Trial (NCT05306704) | University of the Punjab | 2019-02-15 |
| Impact of Hypovitaminosis D on Bone Disease in HIV Infected Patients (NCT02351284) | Jose L. Casado | 2019-01-12 |
| Comparing a Novel Phototherapy Kiosk to Oral Vitamin D Supplementation (NCT04556136) | Madigan Army Medical Center | 2018-04-30 |
| Hypovitaminosis D and "Metabolic" Inflammatory Status in Patients With Obesity (NCT06115356) | University of Trieste | 2018-01-01 |
| Importance of Dosing Regimen for the Effect of Vitamin D Supplementation (NCT03272126) | University of Tromso | 2017-12-01 |
| Vitamin D Supplementation on in Major Orthopedic Surgery (NCT03403933) | I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio | 2017-01-16 |
| Vitamin D and Hand Grip Strength at 5 Years in Odense Child Cohort (NCT03381378) | Odense University Hospital | 2016-01-04 |
| Rapid Normalization of Vitamin D in Critically Ill Children: A Phase II Dose Evaluation Randomized Controlled Trial (NCT02452762) | Children's Hospital of Eastern Ontario | 2016-01-01 |
| Effect of vitaminD3 or 25(OH)D3 Fortified Dairy on Vitmain D Status and CVD Risk Markers (NCT02535910) | University of Reading | 2015-08-01 |
| Analysis of Hypovitaminosis D and Osteopenia/Osteoporosis in Spinal Disease Patients Who Underwent a Spinal Fusion at Illinois Neurological Institute, Peoria, IL., a Retrospective Review From November 1, 2012 to October 31, 2014 and Prospective Pilot From July 1, 2015-June 30, 2016 (NCT02534714) | OSF Healthcare System | 2015-07-01 |
| Effect of Vitamin D Replacement on Maternal and Neonatal Outcomes (NCT02434380) | American University of Beirut Medical Center | 2015-07-01 |
| Changes in Serum Vitamin D Level After Different Loading Doses of Cholecalciferol (NCT03504280) | Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh | 2015-04-01 |
| Vitamin D Status in Lower Extremity Joint Replacement Surgery Patients (NCT01858051) | Massachusetts General Hospital | 2015-01-01 |
| Investigation of Vitamin D3 Enriched, Reduced-fat Yellow Cheese Efficacy to Prevent Vitamin D Deficiency (NCT02543671) | Harokopio University | 2014-10-01 |
| The Effect of Vitamin D Supplementation Among Overweight Jordanian Women With Polycystic Ovary Syndrome (PCOS) (NCT02328404) | Hayat Pharmaceutical Co. PLC | 2014-02-01 |
| Cholecalciferol Supplementation for Sepsis in the ICU (NCT01896544) | Massachusetts General Hospital | 2014-01-01 |
| To Study the Nutri-Genomic Response of Vit-D Supplementation in African-Americans (NCT02802449) | Charles Drew University of Medicine and Science | 2013-09-01 |
| High Dose Preoperative Cholecalciferol Supplementation and Perioperative Vitamin D Status (NCT01689779) | Massachusetts General Hospital | 2013-01-01 |
| Effect of Vitamin D Supplementation on the Metabolic Control and Body Composition of Type 2 Diabetes Subjects in Ajman (UAE) (NCT02101151) | Rashid Centre for Diabetes and Research | 2012-06-01 |
| Vitamin D Supplementation in HIV-infected Youth (NCT01656070) | University of Milan | 2011-04-01 |
| Hypovitaminosis D : A Link Between Bone/Mineral and Fat/Fuel Metabolism (NCT01315366) | American University of Beirut Medical Center | 2011-01-01 |
| Vitamin D Status and the Adequacy of Vitamin D Intake in Early Preterm Infants (NCT01793402) | Children's Hospital Medical Center, Cincinnati | 2010-10-01 |
| Vitamin D, Diet and Activity Study (NCT01240213) | Fred Hutchinson Cancer Center | 2010-10-01 |
| Comparative Effectiveness of Vitamin D and Repletion Strategies (NCT01524874) | Bastyr University | 2010-08-01 |
| A Study on Oral Vitamin D Megadoses (NCT01067898) | Helsinki University Central Hospital | 2010-02-01 |
| Vitamin D Treatment to Patients Suffering From Chronic Pain and Vitamin D Hypovitaminosis (NCT01023490) | Tel-Aviv Sourasky Medical Center | 2010-01-01 |
| Effect of Vitamin D Supplement on Inflammation Markers in High-Risk Cardiovascular Patients With Chronic Kidney Disease (NCT01012414) | Thomas Jefferson University | 2010-01-01 |
| Diabetes Intervention Trial With Vitamin D in Subjects of Nordic and Sub-Indian Ethnicity (NCT00992797) | University Hospital, Aker | 2009-09-01 |
| Vitamin D, Blood Pressure, Lipids, Infection and Depression (NCT00960232) | University of Tromso | 2009-09-01 |
| Vitamin D Versus Placebo in the Treatment of Vague Musculoskeletal Pain in Children (NCT00944606) | University of New Mexico | 2009-07-01 |
| Calcium and Vitamin D Intakes in Children (NCT01638494) | Federico II University | 2008-12-01 |
| Pilot Study: Hypovitaminosis D, Hyperparathyroidism and Hypomagnesemia in Patients With Congestive Heart Failure (NCT00887666) | State University of New York - Downstate Medical Center | 2007-10-01 |
| Treatment of Hypovitaminosis D in Rheumatoid Arthritis (NCT00423358) | University of Wisconsin, Madison | 2005-02-01 |
| Correction of Vitamin D Inadequacy in Nursing Home Residents (NCT00204906) | University of Wisconsin, Madison | 2005-01-01 |