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Browse 8,272 clinical trials for ulcerative colitis. Find studies that match your criteria and connect with research centers.
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NCT07179874
This study investigates whether remote ischemic preconditioning (RIPC)-a non-invasive technique involving brief cycles of blood flow restriction to the arm-can prevent contrast-induced nephropathy (CIN) in diabetic patients undergoing coronary angiography. Diabetes mellitus increases the risk of CIN due to heightened oxidative stress and disrupted protective cellular signaling. While previous research suggests that RIPC may activate renal protective mechanisms, its efficacy in diabetic individuals remains controversial, as metabolic and neurovascular alterations may compromise its effect. This randomized trial aims to determine whether RIPC reduces oxidative kidney damage and improves renal outcomes in this high-risk population. The study will also explore the biological basis for potential variability in response, focusing on oxidative stress biomarkers and early kidney injury indicators.
NCT07184749
Despite growing awareness of neurocognitive and psychological complications of systemic chemotherapy administration in breast cancer, prospective observational studies evaluating such effects in Egyptian breast cancer patients-especially with pre- and post-treatment assessments-remain limited. Given the rising incidence of breast cancer in Egypt and the growing population of long-term survivors, it is essential to investigate the extent and nature of cognitive and psychological changes associated with treatment. The current study aims to fill this gap by prospectively evaluating neurological, cognitive, and psychological parameters in newly diagnosed breast cancer patients, using validated tools before and one year after treatment.