Medical University Of Vienna

This study aims to understand if giving IV fluids to critically ill heart patients helps them or causes harmful fluid backup in their veins. Researchers will track 250 patients after heart surgery to see if this fluid treatment is linked to vein congestion and kidney problems. Th…

This study tests whether a personalized digital lifestyle program can help prevent cognitive decline in older adults at risk for dementia. 300 participants aged 55-75 will use a smartphone app and smartwatch while receiving coaching on diet, exercise, sleep, and other lifestyle f…

This small pilot study aims to see if a common antiseptic mouthwash can reduce the amount of a specific parasite in the mouth. Researchers will enroll 40 healthy volunteers who already have the parasite. Participants will use the mouthwash twice daily for a week, and scientists w…

This study aims to understand how the eye uses oxygen in children with nearsightedness (myopia). Researchers will compare 40 children with myopia to 40 children without it, all aged 8-13. They will use special eye scans to measure oxygen extraction and blood flow, and ask about l…

This study aims to understand how insulin, a hormone that controls blood sugar, might affect brain chemicals involved in psychosis. Researchers will give a nasal insulin spray to people experiencing their first psychotic episode and to healthy volunteers, then use brain scans to …