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. 2017 Dec 8:8:249-257.
doi: 10.2147/LCTT.S142880. eCollection 2017.

Pretreatment Glasgow prognostic score and prognostic nutritional index predict overall survival of patients with advanced small cell lung cancer

Seigo Minami  1 , Yoshitaka Ogata  1 , Shouichi Ihara  1 , Suguru Yamamoto  1 , Kiyoshi Komuta  1
Affiliations

Pretreatment Glasgow prognostic score and prognostic nutritional index predict overall survival of patients with advanced small cell lung cancer

Seigo Minami et al. Lung Cancer (Auckl). .

Abstract

Background: Various biomarkers have been shown to predict prognosis in various types of cancers. However, these biomarkers have not been studied in advanced small cell lung cancer (SCLC). The modified Glasgow prognostic score (mGPS) is based on serum albumin level and C-reactive protein (CRP). The prognostic nutritional index (PNI) is a combination of serum albumin level and absolute lymphocyte count. This study aimed to evaluate the prognostic value of mGPS and PNI in SCLC.

Methods: We retrospectively reviewed and calculated mGPS and PNI for patients with stage IIIB or IV SCLC who initiated platinum-based combination chemotherapy between November 2007 and June 2016. We compared overall survival (OS) and progression-free survival (PFS) between high and low groups of these two biomarkers. Univariate and multivariate Cox hazard analyses assessed the prognostic value of these biomarkers.

Results: We reviewed 97 SCLC patients. The OS of patients with mGPS 0-1 and higher PNI was significantly longer than that of those with mGPS 2 and lower PNI. The PFS of mGPS 0-1 was significantly longer than that of mGPS 2, while there was no significant difference in PFS according to PNI. Multivariate analyses found mGPS 0-1 (hazard ratio [HR] 2.34, 95% confidence interval [CI] 1.27-4.31, P<0.01) and higher PNI (HR 0.50, 95% CI 0.31-0.78, P<0.01) as prognostic factors for longer OS. However, neither biomarker was predictive of PFS.

Conclusion: Our study was a small retrospective study; however, the data demonstrate that pretreatment mGPS and PNI are independent predictors of OS in patients with advanced SCLC. The pretreatment assessment of mGPS and PNI may be useful for identification of patients with poor prognosis. We recommend pretreatment measurement of serum albumin, C-reactive protein, and absolute lymphocyte count.

Keywords: modified Glasgow prognostic score; overall survival; prognostic nutritional index; progression-free survival; small cell lung cancer.

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Conflict of interest statement

Disclosure The authors report no conflicts of interest in this work.

Figures

Figure 1
Figure 1
Kaplan–Meier curves of overall survival according to mGPS and PNI. Abbreviations: CI, confidence interval; mGPS, modified Glasgow prognostic score; n, number of patients; PNI, prognostic nutritional index.
Figure 2
Figure 2
Kaplan–Meier curves of PFS according to mGPS and PNI. Abbreviations: CI, confidence interval; mGPS, modified Glasgow prognostic score; n, number of patients; PFS, progression-free survival; PNI, prognostic nutritional index.
See this image and copyright information in PMC

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