Cladribine and mitoxantrone dose escalation in indolent non-Hodgkin's lymphoma.
1996
PURPOSESince cladribine (2-chlorodeoxyadenosine [2-CdA]) and mitoxantrone both exhibit major activity against indolent lymphoid malignancies and have different mechanisms of action, we performed a dose-escalation study of 2-CdA and mitoxantrone in patients with alkylator-failed indolent lymphoma to determine the maximum-tolerated dose (MTD) of this combination and to make preliminary observations about efficacy.PATIENTS AND METHODSTwenty-three patients were treated every 28 to 35 days, in cohorts of at least three patients, with stepwise dose escalations until dose-limiting toxicities (DLTs) were encountered. The initial dose levels were 2-CdA 0.1 mg/kg/d by continuous infusion for 7 days, mitoxantrone 5 mg/m2 intravenously (i.v.) on day 1, and prednisone 100 mg/d on days 1 to 5. Mitoxantrone was dose-escalated in increments of 2.5 mg/m2 i.v. on day 1.RESULTSThe MTD of the combination was 2-CdA 0.1 mg/kg/d for 7 days, mitoxantrone 7.5 mg/m2 i.v. on day 1, and prednisone 100 mg/d on days 1 to 5. Myelosuppr...
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