• HPB (Oxford) · Aug 2019

    Randomized Controlled Trial Multicenter Study Comparative Study

    Characterization of early recurrences following liver resection by ALPPS and two stage hepatectomy in patients with colorectal liver-metastases and small future liver remnants; a translational substudy of the LIGRO-RCT.

    • B I Røsok, T Høst-Brunsell, K W Brudvik, U Carling, E Dorenberg, B Björnsson, R A Lothe, B A Bjørnbeth, and P Sandström.
    • Department of Gastrointestinal and Pediatric Surgery, HPB Surgery Unit, Oslo University Hospital-Rikshospitalet, Oslo, Norway; K. G. Jebsen Colorectal Cancer Research Centre, Clinic for Cancer Medicine, Oslo University Hospital, Oslo, Norway. Electronic address: brosok@ous-hf.no.
    • HPB (Oxford). 2019 Aug 1; 21 (8): 1017-1023.

    BackgroundAssociated liver partition and portal vein ligation in staged hepatectomy (ALPPS) is an alternative resection method to portal vein embolization (PVE) in patients with small future liver remnants (FLR) but has been associated with early tumor recurrences.MethodsTwenty-four patients with colorectal liver metastases (CRLM) patients from the randomized multicenter LIGRO trial comparing outcome of ALPPS (n = 13) vs PVE (n = 11) were included in the study. Mutational analyses of the KRAS, NRAS, BRAF, PIC3CA and TP53 genes of the metastases were performed in 21 patients and correlated to early tumor recurrence.ResultsWithin 12 months, 13 patients experienced recurrences (6 in TSH group and 7 in ALPPS group). Nine of 13 patients with recurrences had mutations in the TP53 gene, while 3 of 8 patients without recurrence carried the same mutation. Only sporadic cases of the other mutations studied were identified.ConclusionsALPPS did not appear to be associated with higher rate of rapid recurrences than PVE following radical resection of colorectal liver metastases. Mutations in genes associated with negative oncologic outcome after surgical resection most likely play a role for tumor recurrences in these patients.Copyright © 2019 International Hepato-Pancreato-Biliary Association Inc. Published by Elsevier Ltd. All rights reserved.

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