CHOP Regimen

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** A chemotherapy regimen consisting of cyclophosphamide, hydroxydaunorubicin hydrochloride (doxorubicin hydrochloride), vincristine and prednisone used to treat both indolent and aggressive forms of non-Hodgkin lymphoma.

**Synonyms:** - Cyclophosphamide-Hydroxydaunorubicin-Oncovin-Prednisone Regimen