Regimens for Ph-negative ALL: other recommended regimens… Hyper-CVAD: hyperfractionated cyclophosphamide, vincristine, doxorubicin, and dexamethasone, alternating with high-dose methotrexate and cytarabine; with rituximab for CD20-positive disease...linker 4-drug regimen: daunorubicin, vincristine, pegaspargase, and prednisone; with rituximab for CD20-positive disease.