J Cancer 2020; 11(17):5177-5186. doi:10.7150/jca.45633 This issue Cite

Research Paper

Albumin-to-Alkaline Phosphatase Ratio is an Independent Prognostic Indicator in Combined Hepatocellular and Cholangiocarcinoma

Feng Zhang, Shenxin Lu, Mengxin Tian, Keshu Hu, Rongxin Chen, Boheng Zhang, Zhenggang Ren, Yinghong Shi, Xin Yin

Liver Cancer Institute & Zhongshan Hospital, Fudan University, Shanghai, China; Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education.

Citation:
Zhang F, Lu S, Tian M, Hu K, Chen R, Zhang B, Ren Z, Shi Y, Yin X. Albumin-to-Alkaline Phosphatase Ratio is an Independent Prognostic Indicator in Combined Hepatocellular and Cholangiocarcinoma. J Cancer 2020; 11(17):5177-5186. doi:10.7150/jca.45633. https://www.jcancer.org/v11p5177.htm
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Abstract

Background: The clinical significance of Albumin-to-Alkaline Phosphatase Ratio (AAPR) has been discussed in hepatocellular carcinoma (HCC) and cholangiocarcinoma (CC). The aim of this study is to clarify the prognostic value of AAPR in patients with combined hepatocellular and cholangiocarcinoma (cHCC-CCA).

Methods: A total of 267 patients pathologically diagnosed as Allen type C cHCC-CCA in our institution were retrospectively enrolled and randomly divided into the training (N=187) cohort and validation (N=80) cohort. The prognostic value of AAPR was evaluated and validated. An AAPR-based nomogram was constructed and its prediction performance was assessed.

Results: We identified 0.43 as the optimal threshold value of AAPR by the X-tile software. In the training cohort, the median overall survival (OS) of patients with AAPR < 0.43 was significant shorter than that of those with AAPR ≥ 0.43(15.8 months vs 35 months, respectively, P < 0.001). Univariate and multivariate analyses demonstrated that AAPR was a strong indicator of OS. The concordance index (C-index), receiver operating characteristic (ROC) curves, likelihood ratio tests (LAT), Akaike information criteria (AIC) and decision curve analysis (DCA) demonstrated that AAPR outperformed the Child-Pugh (CP) grade and albumin-bilirubin (ALBI) grade in predicting OS. These findings were further verified in the validation cohort. The AAPR-based nomogram achieved C-index values of 0.76 (95%CI: 0.71-0.81) in the training cohort and 0.69 (95%CI: 0.60-0.78) in the validation cohort, which presented significant superiority to TNM stage.

Conclusions: Preoperative AAPR is an independent prognostic predictor in cHCC-CCA. The AAPR-based nomogram contributes to personalized prognosis prediction and clinical decision making for cHCC-CCA.

Keywords: Albumin-to-Alkaline Phosphatase Ratio, combined hepatocellular and cholangiocarcinoma, overall survival, serum biomarker


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APA
Zhang, F., Lu, S., Tian, M., Hu, K., Chen, R., Zhang, B., Ren, Z., Shi, Y., Yin, X. (2020). Albumin-to-Alkaline Phosphatase Ratio is an Independent Prognostic Indicator in Combined Hepatocellular and Cholangiocarcinoma. Journal of Cancer, 11(17), 5177-5186. https://doi.org/10.7150/jca.45633.

ACS
Zhang, F.; Lu, S.; Tian, M.; Hu, K.; Chen, R.; Zhang, B.; Ren, Z.; Shi, Y.; Yin, X. Albumin-to-Alkaline Phosphatase Ratio is an Independent Prognostic Indicator in Combined Hepatocellular and Cholangiocarcinoma. J. Cancer 2020, 11 (17), 5177-5186. DOI: 10.7150/jca.45633.

NLM
Zhang F, Lu S, Tian M, Hu K, Chen R, Zhang B, Ren Z, Shi Y, Yin X. Albumin-to-Alkaline Phosphatase Ratio is an Independent Prognostic Indicator in Combined Hepatocellular and Cholangiocarcinoma. J Cancer 2020; 11(17):5177-5186. doi:10.7150/jca.45633. https://www.jcancer.org/v11p5177.htm

CSE
Zhang F, Lu S, Tian M, Hu K, Chen R, Zhang B, Ren Z, Shi Y, Yin X. 2020. Albumin-to-Alkaline Phosphatase Ratio is an Independent Prognostic Indicator in Combined Hepatocellular and Cholangiocarcinoma. J Cancer. 11(17):5177-5186.

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