Clinical Research Papers:
Analysis of the efficacy and safety of a combined gemcitabine, oxaliplatin and pegaspargase regimen for NK/T-cell lymphoma
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Jing-hua Wang1,2,3,*, Hua Wang1,2,3,*, Yan-jun Wang2,3,4,*, Zhong-jun Xia1,2,3, Hui-qiang Huang2,3,5, Wen-qi Jiang2,3,5 and Yue Lu1,2,3
1 Department of Hematological Oncology, Sun Yat-Sen University Cancer Center, Guangzhou, China
2 State Key Laboratory of Oncology in South China, Guangzhou, China
3 Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
4 Department of Urology, Sun Yat-Sen University Cancer Center, Guangzhou, China
5 Department of Medical Oncology, Sun Yat-Sen University Cancer Center, Guangzhou, China
* These authors have contributed equally to this article
Yue Lu, email:
Keywords: extranodal NK/T-cell lymphoma, gemcitabine, oxaliplatin, pegaspargase, adverse effects
Received: November 18, 2015 Accepted: March 28, 2016Published: April 07, 2016
Extranodal natural killer/T-cell lymphoma (ENKTL) is an aggressive neoplasm with a poor outcome. Novel L-asparaginase-based treatment regimens, such as GELOX (gemcitabine, oxaliplatin, and L-asparaginase) and P-gemox (gemcitabine, oxaliplatin, and pegaspargase), have shown promising results against stage IE/IIE ENKTL. To define the general applicability of P-gemox, in a retrospective analysis we examined the efficacy and safety of P-gemox in a cohort of 117 patients with newly diagnosed or relapsed/refractory ENKTL. Treatment included 2 to 8 cycles of P-gemox: intravenous gemcitabine (1250 mg/m2) and oxaliplatin (85 mg/m2) and intramuscular pegaspargase (2500 IU/ m2) on day 1 and repeated every 2 weeks, or intravenous gemcitabine (1000 mg/m2) on days 1 and 8 and intravenous oxaliplatin (130 mg/m2) and intramuscular pegaspargase (2500 IU/m2) on day 1 and repeated every 3 weeks. Upon completion of treatment, the overall response rate was 88.8%, and responses were similar for newly diagnosed and relapsed/refractory patients. After a median follow-up of 17 months, the 3-year overall and progression-free survival rates were 72.7% and 57.8%, respectively. Multivariate analysis showed that CR after treatment was the most significant factor affecting survival. P-gemox thus appears to be an effective and well-tolerated treatment for patients with ENKTL.
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