Definition

A drug that contains the active ingredient rituximab and is used alone or with other drugs to treat adults with certain types of B-cell non-Hodgkin lymphoma or chronic lymphocytic leukemia that are CD20 positive. It is also being studied in the treatment of other conditions and types of cancer. Riabni binds to a protein called CD20, which is found on B cells (a type of white blood cell) and some types of cancer cells. This may help the immune system kill cancer cells. Riabni is a type of monoclonal antibody.