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Published on: August 11, 2017
Ablation Therapy Combined with EGFR TKIs in the Treatment of Advanced Non-Small Cell Lung Cancer: A Meta-Analysis of
Lu-Zhen Li1, Jia-Ming Wu1, Ting Chen1
1Zhongshan Affiliated Hospital, Guangzhou University of Chinese Medicine, Zhongshan 528400, China.
Objective:
Systematically evaluate the efficacy of physical ablation combined with TKI in the treatment of advanced non-small cell lung cancer (NSCLC).
Methods:
We performed a comprehensive search of databases including OVID, PubMed, EMBASE, the Cochrane Library, and three Chinese databases (China National Knowledge Infrastructure, Wanfang Database, and Chongqing Weipu Database). The aim was to identify randomized controlled trials (RCT) investigating physical ablation as the treatment for advanced NSCLC. We also evaluated the methodological quality of the included studies and summarized the data extracted for meta-analysis with Review Manager 5.3.
Results:
A total of 9 studies, including 752 patients, were evaluable. The meta-analysis results show that the complete response rate (CRR) (RR: 2.23, 95% CI: 1. 46 to 3.40, P 0.01), partial response rate (PRR) (RR: -2.25, 95% CI: 1.41 to 3.59, P 0.01), and disease control rate (DCR) (RR: -2.80, 95% CI: 1.64 to 4.80, P< 0.01) of patients with advanced NSCLC who received physical ablation combined with TKI therapy were higher than those who did not receive physical ablation therapy. The control groups from seven of the studies had a total of 606 patients with targeted therapies and chemotherapy. The complete response rate was (CRR) (RR: 2.48, 2.4895% CI: 1.55 to 2.47, P 0.01), partial response rate (PRR) (RR: -1.66, 95% CI: 1.20 to 2.31, P< 0.01), and disease control rate (DCR) (RR: -2.68, 95% CI: 1.41 to 5.06, P< 0.01) for patients with advanced NSCLC who had received physical ablation combined with targeted therapies and chemotherapy, compared to patients who had not received physical ablation therapy. This difference was statistically significant. Above all, these results showed that the clinical efficacy of physical ablation combined EGFR-TKIs therapy (regardless of whether it was combined with chemotherapy) was better than that of EGFR-TKIs therapy alone.
Conclusion:
Physical ablation combined with TKI treatment in patients with advanced NSCLC can improve efficacy.
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