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Orthotopic liver transplantation (OLT) after neoadjuvant therapy (NT) in well-selected patients with unresectable hilar cholangiocarcinoma (CCA) achieves excellent recurrence-free survival. Current criteria for NT-OLT exclude patients with locally advanced hilar and intrahepatic CCA from potential cure. We sought to evaluate the efficacy of NT in downstaging locally advanced CCA, and examine outcomes after OLT.

Among 24 patients referred for unresectable hilar and intrahepatic CCA from January 2013 through August 2017, 18 met center-specific inclusion criteria for the NT-OLT treatment protocol: hilar tumor size ≤3.5 cm or intrahepatic ≤8 cm, and regional lymphadenopathy but without distant metastasis. Median follow-up was 22.1 mo from diagnosis.

Of 18 patients who initiated NT, 11 were removed from the protocol due to tumor progression (n = 6) or uncontrolled infection and …