VITAMIN D DEFICIENCY

This study tests whether a large dose of vitamin D3 can lower the risk of death within 28 days for critically ill adults who are severely deficient in vitamin D. Researchers aim to enroll 2,400 patients in intensive care units. Earlier research suggested a strong survival benefit…

This study looks at whether taking vitamin D during chemotherapy can help shrink tumors more effectively in people with triple negative breast cancer who are low in vitamin D. About 50 participants will receive standard chemotherapy plus vitamin D supplements, and researchers wil…

This study compares two different vitamin D3 supplements to see which one raises vitamin D levels faster and more effectively in adults with low vitamin D. About 20 people will take one of the two supplements daily for eight weeks. The goal is to find the best way to correct vita…

This study looks at whether giving extra vitamin D (800 IU daily) to extremely premature infants (born before 28 weeks or under 1000 grams) can improve their lung, bone, immune, and brain health. About 50 babies will receive either the extra vitamin or standard care for the first…

This study looks at whether taking Omega-3 or Vitamin D supplements can improve the results of standard gum disease treatment (deep cleaning) in adults with stage II periodontitis. 72 participants will be randomly assigned to one of the supplement groups, and their gum health wil…

This study looks at whether vitamin D supplements can improve menstrual cycles and mood in teenage girls with PCOS who also have low vitamin D. About 60 girls aged 13-21 will receive either vitamin D or a placebo for 6 months. The goal is to see if vitamin D helps restore regular…

This study looks at whether eating bread with added vitamin D can prevent low vitamin D levels in Irish families during winter. About 390 people from different households will eat either fortified or regular bread for 8 weeks. The goal is to see if this simple food change can saf…

This study looks at whether adding exercise to standard vitamin D treatment can improve erectile function in men with type 2 diabetes who also have low vitamin D levels. Researchers will measure changes using a questionnaire and blood tests. The goal is to see if a simple lifesty…

This study checks if low vitamin D in pregnant women leads to more frequent or severe blood pressure drops during C-sections with spinal anesthesia. Researchers will measure vitamin D before surgery and track blood pressure during the procedure. The goal is to better understand w…