预防性颅脑照射对非小细胞肺癌疗效和不良反应的meta分析

doi:10.3760/cma.j.cn113030-20211122-00480

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Abstract Objective To investigate the role of prophylactic cranial irradiation (PCI) in non-small cell lung cancer (NSCLC) by meta-analysis. Methods Studies published from January 1, 1980 to August 30, 2021 were searched systematically in PubMed, Embase, Cochrane Systematic Review database and China National Knowledge Infrastructure Database. The searching keywords included "non-small cell lung cancer", "randomized controlled trial", "prophylactic cranial irradiation" and "clinical trial". The data extracted from the above studies were analyzed using Review Manager 5.3 and Stata 12.0 software. Outcomes included the development of brain metastases (BM), overall survival (OS), disease-free survival (DFS), toxicity, and quality of life (QoL). Results Ten trials, including 2005 NSCLC patients, met the inclusion criteria. Patients who underwent PCI had a significantly lower risk of BM than those who did not (OR=0.29, 95%CI: 0.22-0.40, P<0.001). Compared with non-PCI group, DFS in PCI group was significantly increased (HR=0.75, 95%CI: 0.63-0.89, P=0.001). However, there was no significant difference in OS (OR=0.90, 95%CI: 0.69-1.18, P=0.45). In addition, the incidence of fatigue was significantly increased in the PCI group (OR=2.64, 95%CI: 1.58-4.40, P<0.001). There was no significant difference in cognitive impairment between the PCI and non-PCI groups (OR=3.60, 95%CI: 0.97-13.32, P=0.06). Conclusions PCI is the standard treatment for NSCLC. Compared with non-PCI, PCI significantly reduces the incidence of BM and prolongs the DFS of NSCLC patients. The effect of PCI-related toxicity on the QoL and long-term OS needs further study.

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	Huang Shengkai
	Zhang Huiliang
	Feng Nan

Key words： Brain metastases Disease-free survival Carcinoma,non-small cell lung Overall survival Prophylactic cranial irradiation Quality of life Toxicity

Received: 22 November 2021

Corresponding Authors: Feng Nan, Email: feng971123@163.com

Cite this article:

Huang Shengkai,Zhang Huiliang,Feng Nan. Clinical efficacy and toxic effects of prophylactic cranial irradiation in non-small cell lung cancer: a meta-analysis[J]. Chinese Journal of Radiation Oncology, 2023, 32(2): 118-123.

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http://journal12.magtechjournal.com/Jweb_fszlx/EN/10.3760/cma.j.cn113030-20211122-00480 OR http://journal12.magtechjournal.com/Jweb_fszlx/EN/Y2023/V32/I2/118

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