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NCT07681115
- Conditions
- In Vitro Fertilization and Embryo Transfer, Vitamin D Insufficiency
- Locations
-
- Fakih IVF Fertility Centre LLC Abu Dhabi, United Arab Emirates
Recruiting
Vitamin D Homeostasis in Sarcoidosis
NCT03621553
- Conditions
- Hemic and Lymphatic Diseases, Hypersensitivity, Hypersensitivity, Delayed, +5 more
- Locations
-
- University of Texas Southwestern Medical Center, and Parkland Health and Hospital System Dallas, Texas, United States
NCT06791044
- Conditions
- Atrophy, Bone Diseases, Bone Diseases, Metabolic, +14 more
- Locations
-
- National Rehabilitation Center EKA Nea Liosia, Athens, Greece
- National Rehabilitation Center EKA (Ethniko Kentro Apokatastasis) Athens, Attica, Greece
Enrolling by Invitation
ALPCO 25(OH) Vitamin D CLIA Kit - Fresh Versus Frozen Serum and Plasma Stability Study
NCT07565064
- Conditions
- Avitaminosis, Deficiency Diseases, Healthy Volunteers, +5 more
- Locations
-
- ALPCO Salem, New Hampshire, United States
Enrolling by Invitation
Investigating the Impact of Vitamin D Biofortified Tomatoes on Serum Levels of 25(OH)D
NCT07142759
- Conditions
- Vitamin D Insufficiency
- Locations
-
- Quadram Institute Bioscience Norwich, United Kingdom
Completed
Collegiate Athlete Study
NCT07631312
- Conditions
- Anemia, Anemia, Hypochromic, Anemia, Iron-Deficiency, +16 more
- Locations
-
- Morehouse School of Medicine Atlanta, Georgia, United States
NCT04780776
- Conditions
- Avitaminosis, Deficiency Diseases, Malnutrition, +4 more
- Locations
-
- BU School of Medicine Boston, Massachusetts, United States
NCT04735926
- Conditions
- Avitaminosis, Deficiency Diseases, Malnutrition, +4 more
- Locations
-
- MC-1-Sevlievo Ltd. Sevlievo, Bulgaria
- Diagnostic & Consultative Center "Sveta Anna" EOOD Sofia, Bulgaria
- Individual Practice Ambulatory for Specialized Medical Care - Cardiology, Obstetrics and Gynecology Sofia, Bulgaria
- IV MHAT - Sofia Sofia, Bulgaria
NCT04865432
- Conditions
- Avitaminosis, Deficiency Diseases, Malnutrition, +4 more
- Locations
-
- General Clinical Research Unit (GCRU) BU School of Medicine Boston, Massachusetts, United States
- Conditions
- CKD Stage 3, CKD Stage 4, Secondary Hyperparathyroidism Due to Renal Causes, +1 more
- Locations
-
- National Institute of Clinical Research, Inc. Garden Grove, California, United States
- Research by Design, LLC Chicago, Illinois, United States
- Spaulding Clinical Research West Bend, Wisconsin, United States
NCT03660800
- Conditions
- Endocrine System Diseases, Hyperparathyroidism, Hyperparathyroidism, Secondary, +3 more
- Locations
-
- WCCT Global, Inc. Cypress, California, United States
NCT02856776
- Conditions
- Vitamin D Insufficiency
- Locations
-
- Boston University Medical Campus Boston, Massachusetts, United States
NCT01179503
- Conditions
- Physical Function, Vitamin D Insufficiency
- Locations
-
- Wake Forest University Winston-Salem, North Carolina, United States
NCT01349127
- Conditions
- Avitaminosis, Behavior, Breast Feeding, +7 more
- Locations
-
- School of Food & Nutritional Sciences, University College Cork, Cork, Ireland
NCT02187146
- Conditions
- Avitaminosis, Deficiency Diseases, Genital Diseases, +7 more
- Locations
-
- Birmingham Womens NHS Foundation Trust Birmingham, West Midlands, United Kingdom
NCT01219855
- Conditions
- Chronic Disease, Chronic Kidney Disease, Disease Attributes, +17 more
- Locations
-
- OPKO Health, Inc Bannockburn, Illinois, United States
NCT01596842
- Conditions
- Avitaminosis, Deficiency Diseases, Hemodialysis Patients, +5 more
- Locations
-
- Won Suk An Busan, South Korea
Completed
D Vitamin Intervention in VA
NCT01375660
- Conditions
- Glucose Intolerance, Glucose Metabolism Disorders, Hyperglycemia, +5 more
- Locations
-
- Jesse Brown VA Medical Center, Chicago, IL Chicago, Illinois, United States
NCT00273611
- Conditions
- Avitaminosis, Deficiency Diseases, Malnutrition, +4 more
- Locations
-
- University of Colorado Hospital Seniors Clinic Aurora, Colorado, United States
Completed
Vitamin D Inadequacy in Rural Populations, Evaluation of Correction by Food Supplementation
NCT00690417
- Conditions
- Avitaminosis, Deficiency Diseases, Malnutrition, +4 more
- Locations
-
- University of Wisconsin Osteoporosis Clinical and Research Program Madison, Wisconsin, United States