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Liver transplantation for unresectable colorectal liver metastases in patients and donors with extended criteria (SECA-II arm D study).

ABSTRACT: BACKGROUND:Patients with metastatic colorectal cancer receiving palliative chemotherapy have a 5-year survival rate of approximately 10 per cent. Liver transplantation using strict selection criteria in patients with colorectal cancer and unresectable liver-only disease will result in a 5-year survival rate of 56-83 per cent. The aim of this study was to evaluate survival of patients with colorectal liver metastases (CRLM) after liver transplantation using extended criteria for both patients and donors. METHODS:This was a prospective single-arm study. Patients with synchronous unresectable CRLM who were not suitable for arms A, B or C of the SEcondary CAncer (SECA) II study who had undergone radical resection of the primary tumour and received chemotherapy were included; they underwent liver transplantation with extended criteria donor grafts. Patients who had resectable pulmonary metastases were eligible for inclusion. The main exclusion criteria were BMI above 30?kg/m2 and liver metastases larger than 10?cm. Survival was estimated using Kaplan-Meier analysis. RESULTS:Ten patients (median age 54?years; 3 women) were included. They had an extensive liver tumour load with a median of 20 (range 1-45) lesions; the median size of the largest lesion was 59 (range 15-94) mm. Eight patients had (y)pN2 disease, six had poorly differentiated or signet ring cell-differentiated primary tumours, and five had primary tumour in the ascending colon. The median Fong clinical risk score was 3 (range 2-5) and the median Oslo score was 1 (range 1-4). The median plasma carcinoembryonic antigen level was 4·3 (range 2-4346) ?g/l. Median disease-free and overall survival was 4 and 18?months respectively. CONCLUSION:Patients with unresectable liver-only CRLM undergoing liver transplantation with extended patient and donor criteria have relatively short overall survival.

SUBMITTER: Smedman TM

PROVIDER: S-EPMC7260412 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Liver transplantation for unresectable colorectal liver metastases in patients and donors with extended criteria (SECA-II arm D study).

Smedman T M TM Line P-D PD Hagness M M Syversveen T T Grut H H Dueland S S

BJS open 20200425 3

<h4>Background</h4>Patients with metastatic colorectal cancer receiving palliative chemotherapy have a 5-year survival rate of approximately 10 per cent. Liver transplantation using strict selection criteria in patients with colorectal cancer and unresectable liver-only disease will result in a 5-year survival rate of 56-83 per cent. The aim of this study was to evaluate survival of patients with colorectal liver metastases (CRLM) after liver transplantation using extended criteria for both pati ...[more]

PMID: 32333527

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Project description:ImportanceColorectal cancer is a leading cause of cancer-related death, and nearly 70% of patients with this cancer have unresectable colorectal cancer liver metastases (CRLMs). Compared with chemotherapy, liver transplant has been reported to improve survival in patients with CRLMs, but in North America, liver allograft shortages make the use of deceased-donor allografts for this indication problematic.ObjectiveTo examine survival outcomes of living-donor liver transplant (LDLT) for unresectable, liver-confined CRLMs.Design, setting, and participantsThis prospective cohort study included patients at 3 North American liver transplant centers with established LDLT programs, 2 in the US and 1 in Canada. Patients with liver-confined, unresectable CRLMs who had demonstrated sustained disease control on oncologic therapy met the inclusion criteria for LDLT. Patients included in this study underwent an LDLT between July 2017 and October 2020 and were followed up until May 1, 2021.ExposuresLiving-donor liver transplant.Main outcomes and measuresPerioperative morbidity and mortality of treated patients and donors, assessed by univariate statistics, and 1.5-year Kaplan-Meier estimates of recurrence-free and overall survival for transplant recipients.ResultsOf 91 evaluated patients, 10 (11%) underwent LDLT (6 [60%] male; median age, 45 years [range, 35-58 years]). Among the 10 living donors, 7 (70%) were male, and the median age was 40.5 years (range, 27-50 years). Kaplan-Meier estimates for recurrence-free and overall survival at 1.5 years after LDLT were 62% and 100%, respectively. Perioperative morbidity for both donors and recipients was consistent with established standards (Clavien-Dindo complications among recipients: 3 [10%] had none, 3 [30%] had grade II, and 4 [40%] had grade III; donors: 5 [50%] had none, 4 [40%] had grade I, and 1 had grade III).Conclusions and relevanceThis study's findings of recurrence-free and overall survival rates suggest that select patients with unresectable, liver-confined CRLMs may benefit from total hepatectomy and LDLT.

Dataset Information

Liver transplantation for unresectable colorectal liver metastases in patients and donors with extended criteria (SECA-II arm D study).

Publications

Liver transplantation for unresectable colorectal liver metastases in patients and donors with extended criteria (SECA-II arm D study).

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