CHOP is the acronym for a chemotherapy regimen used in the treatment of non-Hodgkin lymphoma. CHOP stands for cyclophosphamide, hydroxydaunorubicin (Adriamycin), Oncovin (vincristine), and prednisone/prednisolone. Uses and indications CHOP consists of: Cyclophosphamide Hydroxydaunorubicin (also called doxorubicin or Adriamycin) Oncovin (which is the trade name for vincristine) Prednisone or prednisolone This regimen can also be combined with the monoclonal antibody rituximab if the lymphoma is… (More on Chop)