Abstract

Background: Combined hepatocellular-cholangiocarcinoma tumors (cHCC-CCA) are a heterogeneous group of rare malignancies that have no established optimal treatment. Patients and Methods: We identified patients with cHCC-CCA treated at a tertiary center and retrospectively examined their histology, interventions, and outcomes. We calculated disease control rate (DCR), disease progression, overall survival, and progression-free survival (PFS) between treatment subgroups. Results: A total of 123 patients were evaluable. Interventions included resection, locoregional therapy, transplant, chemotherapy, and targeted agents. Ultimately, 68 patients received systemic treatment - 57 with gemcitabine plus either 5-fluoropyrimidine (5-FU) or a platinum combination. Disease progression was more common in the gemcitabine/5-FU group versus gemcitabine/platinum (P=.028), whereas DCR favored gemcitabine/platinum (78.4% vs 38.5%; P=.0143). Median PFS from time of initial diagnosis favored the gemcitabine/platinum group, but the difference did not reach statistical significance. Targeted agents had minimal to no effect on survival metrics. Conclusions: Gemcitabine/platinum seems to be a superior regimen for patients with cHCC-CCA who require systemic treatment. Further studies are needed to clarify the regimen's efficacy and applicability in patient subgroups.

Original languageEnglish
Pages (from-to)1193-1199
Number of pages7
JournalJNCCN Journal of the National Comprehensive Cancer Network
Volume16
Issue number10
DOIs
StatePublished - Oct 1 2018

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