Radiotherapy followed by DICEP regimen in treatment of newly diagnosed, stage IE/IIE, extranodal NK/T-cell lymphoma patients.

Cancer Medicine
Yizhen LiuQunling Zhang

Abstract

The optimal treatment strategies for extranodal natural killer/ T-cell lymphoma (ENKTL) have not been defined. We conducted this prospective, open-label, phase II, single-center study aimed to explore the efficacy and safety of radiotherapy followed by DICEP (Dexamethasone, ifosfamide, cisplatin, etoposide, and pegaspargase) regimen in the treatment of patients with untreated, stage IE/IIE, extranodal NK/T-cell lymphoma. Thirty eligible patients were enrolled in this study, receiving radiotherapy of 50Gy/25fx, and followed by chemotherapy with DICEP regimen for 3 cycles if tolerated. Median follow-up time of this study was 70.8 months. We constructed Kaplan-Meier survival curves for survival analyses. The most common manifestations at the onset of disease were nasal obstruction (80%), with or without fever, and pharyngalgia (20%). The overall response rate (ORR) was 96.7% (29/30). Four patients (13.3%) had progression of the disease (PD), the estimated 5-year progression-free survival (PFS) rate was 86%. Four patients (13.3%) died of disease, and the estimated 5-year cumulative overall survival (OS) was 87%. The most common hematological toxicity was grade 3 or grade 4 neutropenia, which could be successfully managed via using ...Continue Reading

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NCT01667302

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