Vitamin D deficiency

This study tests an extended-release vitamin D capsule (CTAP101) in 40 children aged 8 to 17 with stage 3 or 4 chronic kidney disease, secondary hyperparathyroidism, and low vitamin D. Participants take one capsule daily at bedtime for 8 weeks. The goal is to see how the body pro…

This study compares a high-intensity loading dose of vitamin D2 to standard weekly dosing in 52 patients with newly diagnosed aggressive non-Hodgkin lymphoma who are also receiving standard chemotherapy. The goal is to see if the high-dose approach normalizes vitamin D levels fas…

This study looks at whether Pilates or aerobic exercise can help new mothers improve their vitamin D and calcium levels, which often drop after childbirth. Sixty healthy women, 6-12 weeks after giving birth, will do either Pilates or aerobic exercise for 12 weeks. The goal is to …

This study looks at vitamin D levels in 63 critically ill children (ages 1 month to 12 years) admitted to the ICU with severe breathing infections. Researchers will measure vitamin D in the first 24 hours and compare it to how severe the infection is and the risk of death. The go…

This study tests whether vitamin D extracted from fish waste is as effective as synthetic vitamin D at raising blood levels in healthy adults with mild deficiency. 48 participants will take either fish-derived or synthetic vitamin D daily for 3 months. The goal is to see if a sus…

This study looks at whether three proteins in urine—RhoA, NGF, and BDNF—can help doctors diagnose and monitor overactive bladder in children aged 4 to 18 who also have low vitamin D. Researchers will measure these proteins before and after standard behavioral therapy (urotherapy)…

This study in Assiut, Egypt, will check 116 children aged 2-15 for intestinal parasites to see if these infections are more common in malnourished kids compared to healthy ones. The goal is to understand how parasites like Giardia and hookworms might cause or worsen malnutrition …