Heidelberg University

This study tests whether a much lower dose of radiation (4 Gy) combined with an antibody drug (obinutuzumab or rituximab) works as well as the standard high-dose radiation (24 Gy) plus rituximab for early-stage follicular lymphoma. About 100 adults with untreated stage I or II di…

This study tests whether a 12-week digital exercise program, with or without personal coaching, can help adults aged 65 and older become more physically active after total hip replacement. Participants will be randomly assigned to one of three groups: the digital program with coa…

This study collects small tissue samples from the abdomen of children and adults undergoing peritoneal dialysis (a type of kidney treatment). The goal is to learn how the lining of the belly changes over time with dialysis. Researchers will also take samples from healthy people h…

This study follows 120 adults with retroperitoneal sarcoma who need surgery that also removes part of the colon or rectum. Researchers will compare different surgical techniques and track complications and quality of life using surveys. The goal is to provide better guidance for …