Vitamin D deficiency

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 trial evaluates a new device called Tasso+ that lets people collect a small blood sample from their upper arm, potentially replacing the traditional finger-prick or venous blood draw for vitamin D testing. Researchers will compare vitamin D levels measured from the Tasso+ sa…

This study examines whether vitamin D levels are linked to asthma control, lung function, and oxidative stress in Egyptian adults with bronchial asthma. Researchers will measure vitamin D in the blood, assess asthma symptoms with a standard test, and check lung function and marke…

This observational study is investigating whether vitamin D levels are linked to cholesterol and other blood fats in obese adults with type 2 diabetes. Researchers will measure vitamin D status and lipid profiles in 150 participants from a diabetes clinic in Cairo. No treatments …

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)…