Vitamin D deficiency

This trial tests whether adding a twice-daily nutritional drink to standard care helps adults aged 55 and older regain weight and muscle strength after being hospitalized for an acute illness. Participants are at risk of malnutrition and have low grip strength. Half receive the d…

This study tests whether giving caregivers a weekly bulk container (7-day supply) versus daily single-use sachets (1-day supply) of a nutrient supplement improves how much children actually consume. About 500 caregivers of children aged 6-24 months in northern Ghana will try both…

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)…

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 …