This clinical trial is focused on studying a type of cancer called Marginal Zone Lymphoma, which can return or not respond to previous treatments. The study will explore the effectiveness of a new treatment combination of Mosunetuzumab and Lenalidomide compared to other treatments chosen by doctors. Mosunetuzumab is a type of medicine that helps the immune system target cancer cells, while Lenalidomide is a medication that affects the immune system and is used to treat certain types of cancer.
The purpose of the study is to evaluate how well the combination of Mosunetuzumab and Lenalidomide works in patients with relapsed or refractory Marginal Zone Lymphoma. Participants in the study will receive either the new combination treatment or a treatment selected by their doctor, which may include other medications like Tocilizumab, Cyclophosphamide, Doxorubicin, Vincristine, Prednisone, Bendamustine, or Rituximab. Some participants may receive a placebo instead of the new treatment to compare the results.
The study will take place over several months, during which participants will receive their assigned treatment and be monitored regularly to assess the treatment’s effects on their cancer. The main goal is to see if the new treatment can help patients live longer without their cancer getting worse. Participants will have regular check-ups and tests to track their progress and any side effects they may experience. The study aims to provide valuable information that could lead to better treatment options for people with Marginal Zone Lymphoma.



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