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Relevance of CEA and LDH in relation to KRAS status in patients with unresectable colorectal liver metastases.

ABSTRACT: While the significance of carcinoembryonic antigen (CEA), lactate dehydrogenase (LDH), and Kirsten rat sarcoma (KRAS) status as individual prognostic factors for patients with metastatic colorectal cancer has been addressed, the relationship and interdependence between these prognostic factors on survival is limited.Patients with unresectable colorectal liver metastases with known KRAS status, and with baseline CEA and LDH levels who were treated with hepatic arterial infusion and systemic chemotherapy were identified. Patients were divided into two groups: hepatic-only disease and extra-hepatic disease.A total of 193 patients were included: 121 with hepatic-only and 72 with extra-hepatic disease. In the hepatic-only group, median overall survival (OS) was 55 months. On multivariate analysis, KRAS mutated tumors (HR 1.7, P?200?U/L (HR 2.0, P?200?ng/mL (HR 2.1, P?=?0.051), LDH >200?U/L (HR 3.8, P?

SUBMITTER: Connell LC

PROVIDER: S-EPMC5400688 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature

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Relevance of CEA and LDH in relation to KRAS status in patients with unresectable colorectal liver metastases.

Connell Louise C LC Boucher Taryn M TM Chou Joanne F JF Capanu Marinela M Maldonado Stephanie S Kemeny Nancy E NE

Journal of surgical oncology 20161223 4

<h4>Background</h4>While the significance of carcinoembryonic antigen (CEA), lactate dehydrogenase (LDH), and Kirsten rat sarcoma (KRAS) status as individual prognostic factors for patients with metastatic colorectal cancer has been addressed, the relationship and interdependence between these prognostic factors on survival is limited.<h4>Methods</h4>Patients with unresectable colorectal liver metastases with known KRAS status, and with baseline CEA and LDH levels who were treated with hepatic a ...[more]

PMID: 28008623

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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

Relevance of CEA and LDH in relation to KRAS status in patients with unresectable colorectal liver metastases.

Publications

Relevance of CEA and LDH in relation to KRAS status in patients with unresectable colorectal liver metastases.

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