OPP Regimen

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** A regimen consisting of vincristine, procarbazine, and prednisone that may be used in the treatment of certain recurrent brain tumors.

**Synonyms:** - OPP - OPP - Oncovin/Prednisone/Procarbazine - PCB/PRED/VCR - Prednisone/Procarbazine/Vincristine - Vincristine-Prednisone-Procarbazine - Vincristine-Procarbazine-Prednisone - Vincristine/Prednisone/Procarbazine - Vincristine/Prednisone/Procarbazine Regimen - Vincristine/Procarbazine/Prednisone