PMID: 16537117Mar 16, 2006Paper

Dose-dense R-CHOP-14 supported by pegfilgrastim in patients with diffuse large B-cell lymphoma: a phase II study of feasibility and toxicity

Haematologica
Ercole BrusamolinoMario Lazzarino

Abstract

The aim of this study was to evaluate the feasibility and toxicity of CHOP-14, with rituximab (R-CHOP-14), supported by pegfilgrastim, in untreated diffuse large B-cell lymphoma (DLBCL). This study included 50 patients with DLBCL with a median age of 55 years (range: 22-70). Sixty-two percent had an International Prognostic Index score >1, 40% had bulky disease and 52% had stage IV disease. CHOP was administered every 14 days, preceded on day 1 by rituximab (375 mg/m2) and followed on day 3 by pegfilgrastim (6 mg per cycle). Toxicity was calculated over 277 cycles administered; feasibility was calculated over 227, since the first cycle in each patient was not susceptible to delay or dose-reduction. Therapy was delivered on time in 92% of cycles, with the relative dose intensity being 95% for doxorubicin and cyclophosphamide. Grade 4 neutropenia developed in 19% of cycles and neutropenic fever in 4% of cycles (16% of patients), with a median duration of 3 days (range: 2-10). The program was completed in 40 of 50 patients (80%); reasons for withdrawal included progression in three patients, interstitial pneumonia in four, prolonged severe neutropenia in two and septic shock in one patient. Severe adverse events occurred on 12 occ...Continue Reading

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