CALGB 9251 Regimen

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** A regimen comprised of a prephase (or cytoreductive phase), followed by two different chemotherapy regimens, given on an alternating schedule and used to treat adult L3 acute lymphoblastic leukemia (ALL3 or Burkitt's-type) and adult small non-cleaved cell (Burkitt's) lymphoma.