A meta-analysis of weekly cisplatin versus three weekly cisplatin chemotherapy plus concurrent radiotherapy (CRT) for advanced head and neck cancer (HNC)
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Jian Guan1,*, Yue Zhang1,*, Qinyang Li1, Yaowei Zhang1, Lu Li1, Min Chen1, Nanjie Xiao1, Longhua Chen1
1Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
*These authors have contributed equally to this work
Jian Guan, email: firstname.lastname@example.org
Longhua Chen, email: email@example.com
Keywords: cisplatin, head and neck, cancer, therapy, meta-analysis
Received: January 11, 2016 Accepted: August 22, 2016 Published: September 02, 2016
Purpose: This study was performed to compare the efficacies and acute toxicities in weekly- and three weekly- cisplatin based concurrent chemoradiotherapy (CCRT) for advanced HNC patients.
Results: 779 patients of 10 studies were eligible. No difference in the 2-, 3-year OS or 1-, 2-year LRFS was observed, whereas patients in three weekly CCRT arm tended to have a better 5-year OS (HR=1.79, 95%C 0.97-3.31, p=0.06). Weekly arm seemed to show less gastrointestinal toxicities (RR=0.59, 95%CI 0.34-1.02, p=0.06), but similar hematologic toxicity compared to three weekly arm. Subgroup analysis displayed more grade ≥3 mucositis (RR=1.72, p=0.01), and more chemotherapy related delay/interrupt (RR=2.68, p<0.0001) in weekly arm for non-nasopharynx carcinoma (non-NPC) HNC.
Methods: We conducted the meta-analysis by searching PubMed, MEDLINE, ScienceDirect, Cochrane Library and China National Knowledge Infrastructure (CNKI) databases. The primary endpoint was overall survival (OS) with secondary endpoints locoregional recurrence-free survival (LRFS) and grade≥3 acute adverse events. RevMan 5.2 was used to perform statistical analyses.
Conclusions: Three weekly cisplatin-based CCRT might achieve a higher long-term OS with no significant difference in a shorter OS and LRFS. Weekly arm was associated with less gastrointestinal toxicities but more grade≥3 mucositis and chemotherapy related delay/interrupt. Large randomized trials were urgent to further define superiority of these two regimens.
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