Rituximab Home>Pharmacy>Drugs_and_Medications>R>Rituximab     Web Pages Rituxan - Genentech Information about Non-Hodgkin's Lymphoma and Rituxan (Rituximab), the first U.S. approved monoclonal antibody cancer treatment to treat Non-Hodgkin's Lymphoma. Rituxan Full prescribing information from RxList.