Comparing single-agent with doublet chemotherapy in first-line treatment of advanced non-small cell lung cancer with performance status 2: a meta-analysis.

Abstract:

AIM:This systematic review and meta-analysis was performed to assess the efficacy and side effects between single-agent and doublet chemotherapy in first-line treatment of advanced non-small cell lung cancer with performance status 2 (PS2). METHODS:We searched for randomized controlled trials in online electronic databases and extracted data from eligible studies for meta-analysis. Pooled hazard ratio (HR) for overall survival (OS), pooled risk difference (RD) for 1-year survival, pooled risk ratio (RR) for objective response rate (ORR) and adverse effects were calculated using a fixed-effect model. RESULTS:Six trials with 386 participants in the single-agent group and 389 participants in the doublet group were included in this review. Compared with single-agent chemotherapy, doublet significantly improved OS (HR 0.72; 95% CI 0.61-0.84; P < 0.0001) and significantly increased 1-year survival rate (RD -0.09; 95% CI -0.14 to -0.03; P = 0.004) and ORR (RR 0.4; 95% CI 0.30-0.69; P = 0.0002). Doublet chemotherapy also significantly increased the risk of grade 3/4 neutropenia (RR = 4.97; 95% CI 2.93-8.43; P < 0.00001), thrombocytopenia (RR = 10.29; 95% CI 3.80-27.85; P < 0.00001) and anemia (RR = 2.50; 95% CI 1.27-4.90; P = 0.008). CONCLUSIONS:Our study implies that carboplatin-containing doublet chemotherapy improved OS, 1-year survival rate and ORR, but increased the risk of grade 3/4 hematotoxicity. Carboplatin-containing doublet may well be superior to non-carboplatin-containing treatment.

journal_name

Asia Pac J Clin Oncol

authors

Luo L,Hu Q,Jiang JX,Yang X,Dinglin XX,Lin X,Yao HR

doi

10.1111/ajco.12359

subject

Has Abstract

pub_date

2015-09-01 00:00:00

pages

253-61

issue

3

eissn

1743-7555

issn

1743-7563

journal_volume

11

pub_type

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