글로벌 연구동향
방사선종양학
- 2019년 06월호
[Medicine (Baltimore).] A meta-analysis of the impact of neutrophil-to-lymphocyte ratio on treatment outcomes after radiotherapy for solid tumors.서울의대 / 최누리, 강현철*
- 출처
- Medicine (Baltimore).
- 등재일
- 2019 May
- 저널이슈번호
- 98(18):e15369. doi: 10.1097/MD.0000000000015369.
- 내용
Abstract
BACKGROUND:
To evaluate the impact of neutrophil-to-lymphocyte ratios (NLR) as a prognostic factor in predicting treatment outcomes after radiotherapy (RT) for solid tumors.METHODS:
PubMed and Embase databases were used to search for articles published by February 2019 based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guideline. Hazard ratios (HR) with 95% confidence intervals (CI) were used to evaluate the association between NLR levels and treatment outcomes after RT. The primary endpoint was overall survival (OS) rates. Secondary endpoints included progression-free survival, disease-free survival, and disease-specific survival rates.RESULTS:
Thirty-eight datasets with a total of 7065 patients were included in the meta-analysis. Patients with high pretreatment NLR demonstrated significantly worse OS with a pooled HR of 1.90 (95% CI 1.66-2.17, P < .001). In patients receiving RT alone, the pooled HR for OS was 1.71 (95% CI 1.44-2.04, P < .001) with no between-study heterogeneity (I = 0%, P = .46).CONCLUSION:
Elevated pretreatment NLR is associated with poorer survival in cancer patients undergoing RT. Elevated pretreatment NLR prior to RT initiation may be a useful biomarker to predict treatment outcomes and select a subgroup of patients in need of a more aggressive treatment approach.
Author informationChoi N1,2, Kim JH1, Chie EK1,3, Gim J4, Kang HC1.
1
Department of Radiation Oncology, Seoul National University College of Medicine.
2
Department of Radiation Oncology, Veterans Health Service Medical Center.
3
Institute of Radiation Medicine, Medical Research Center.
4
Institute of Health and Environment, Seoul National University, Seoul, South Korea.
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