NCI Dictionary of Cancer Terms
CHOP regimen (… REH-jih-men)
abbreviation for a chemotherapy combination that is used to
treat non-Hodgkin lymphoma and is being studied in the
treatment of other types of cancer. It includes the drugs
cyclophosphamide, doxorubicin hydrochloride
(hydroxydaunorubicin), vincristine sulfate (Oncovin), and
prednisone. Also called CHOP.