University Hospital Of Cologne

This study tests whether a 4-week program of high-intensity interval training, specialized nutrition, and psychological support before major gastrointestinal cancer surgery can lower the risk of serious complications afterward. About 400 high-risk patients will be randomly assign…

This study will track 1000 people with mitral regurgitation, a condition where a heart valve doesn't close tightly, causing blood to leak backward. Participants will receive a tiny clip (MitraClip G5) to repair the valve through a tube inserted in a vein, avoiding open-heart surg…

This study tests a combination of two types of radiation therapy for elderly or frail patients with rectal cancer who cannot have or refuse surgery. The goal is to see if this approach can completely control the tumor for at least a year, while also monitoring quality of life. Ab…