Abstract
Background
Liver transplantation (LT) has been considered a potential curative treatment for patients with very early intrahepatic cholangiocarcinoma (ICC) and cirrhosis, yet the survival benefit of LT has not been well defined. This study aimed to compare the long-term survival outcomes of patients who underwent LT with that of individuals who received resection and non-curative intent treatment (non-CIT).
Methods
Patients who underwent LT, hepatectomy, and non-CIT between 2004 and 2018 were included in the National Cancer Database. Survival benefits of LT over resection and non-CIT were analyzed relative to overall survival (OS).
Results
Among 863 patients, 54 (6.3%) underwent LT, while 342 (39.6%) underwent surgical resection, and 467 (54.1%) received non-CIT, respectively. While the rates of non-CIT increased over time, the percentages of LT remained consistent during the study period. LT patients had similar 5-year OS to individuals who underwent resection (referent, resection: LT, HR 0.95, 95%CI 0.84–1.58, p=0.84). In contrast, 5-year OS was better among patients who underwent LT versus individuals who had non-CIT after controlling other variables using propensity score overlapping weighting (5-year OS, LT 57.1% vs. LR 25.8%, p<0.001).
Conclusions
The outcomes of very early ICC patients who underwent LT were similar to individuals who underwent hepatectomy, but better than patients treated with non-CIT. LT should be may be a consideration as a treatment option for patients with early stage ICC who are unsuitable candidates for resection.
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Supplementary figure 1: Kaplan-Meier curve for liver transplantation and non-curative intent treatment groups in the era of modern chemotherapies (i.e., 2010-2018) after propensity score overlap weighting adjustment. (PNG 79 kb)
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Endo, Y., Sasaki, K., Munir, M.M. et al. Survival Benefit Relative to Treatment Modalities Among Patients with Very Early Intrahepatic Cholangiocarcinoma: an Analysis of the National Cancer Database. J Gastrointest Surg 27, 2103–2113 (2023). https://doi.org/10.1007/s11605-023-05821-7
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DOI: https://doi.org/10.1007/s11605-023-05821-7