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. 2014 Dec;5(6):428-32.
doi: 10.3978/j.issn.2078-6891.2014.081.

A population based analysis of prognostic factors in advanced biliary tract cancer

Renata D'Alpino Peixoto  1 , Daniel Renouf  1 , Howard Lim  1
Affiliations

A population based analysis of prognostic factors in advanced biliary tract cancer

Renata D'Alpino Peixoto et al. J Gastrointest Oncol. 2014 Dec.

Abstract

Background: Data regarding prognostic factors in advanced biliary tract cancer (BTC) remains scarce. The aim of this study was to review our institutional experience with cisplatin and gemcitabine in advanced BTC as well as to evaluate potential prognostic factors for overall survival (OS).

Material and methods: Consecutive patients with advanced BTC who initiated palliative chemotherapy with cisplatin and gemcitabine from 2009 to 2012 at the BC Cancer Agency were identified using the pharmacy database. Clinicopathologic variables and treatment outcome were retrospectively collected. Potential prognostic factors were assessed by univariate and multivariate analyses.

Results: A total of 106 patients were included in the analysis. Median OS was 8.5 months (95% CI: 6.5-10.5). On univariate analysis, poor ECOG performance status (ECOG PS) at diagnosis, primary tumor location (extra-hepatic cholangiocarcinoma, and unknown biliary cancer), and sites of advanced disease (extra-hepatic metastasis) were significantly associated with worse OS (P<0.001, 0.036 and 0.034, respectively). Age, gender, CA19-9, CEA, hemoglobin, neutrophil count, and prior stent were not significantly associated with OS. On multivariate analysis, ECOG PS 2/3 was the only predictor of poor OS (P<0.001), while primary location (P=0.089) and sites of advanced disease (P=0.079) had a non-significant trend towards prognostic significance.

Conclusions: In this population based analysis, a poorer performance status was significantly prognostic of worse OS. Although not significant in our analysis, primary tumor location and sites of advanced disease may also have prognostic relevance.

Keywords: Biliary cancer; chemotherapy; prognostic factors.

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Figures

Figure 1
Figure 1
Kaplan-Meier curve—overall survival for the entire cohort according to ECOG PS. ECOG PS, ECOG performance status.
See this image and copyright information in PMC

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