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      METACHRONOUS COLORECTAL LIVER METASTASES HAS BETTER PROGNOSIS - IS IT TRUE? Translated title: Metástase hepática colorretal metacrônica tem melhor prognóstico - é verdade?

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          Abstract

          ABSTRACT BACKGROUND: Liver metastases from colorectal cancer are an important public health problem due to the increasing incidence of colorectal cancer worldwide. Synchronous colorectal liver metastasis has been associated with worse survival, but this prognosis is controversial. OBJECTIVE: The objective of this study was to evaluate the recurrence-free survival and overall survival between groups of patients with metachronous and synchronous colorectal hepatic metastasis. METHODS: This was a retrospective analysis of medical records of patients with colorectal liver metastases seen from 2013 to 2016, divided into a metachronous and a synchronous group. The Cox regression model and the Kaplan-Meier method with log-rank test were used to compare survival between groups. RESULTS: The mean recurrence-free survival was 9.75 months and 50% at 1 year in the metachronous group and 19.73 months and 63.3% at 1 year in the synchronous group. The mean overall survival was 20.00 months and 6.2% at 3 years in the metachronous group and 30.39 months and 31.6% at 3 years in the synchronous group. Patients with metachronous hepatic metastasis presented worse overall survival in multivariate analysis. The use of biological drugs combined with chemotherapy was related to the best overall survival prognosis. CONCLUSION: Metachronous colorectal hepatic metastasis was associated with a worse prognosis for overall survival. There was no difference in recurrence-free survival between metachronous and synchronous metastases.

          Translated abstract

          RESUMO CONTEXTO: As metástases hepáticas de câncer colorretal representam um importante problema de saúde pública devido à incidência crescente de câncer colorretal pelo mundo. A metástase hepática colorretal sincrônica está associada a pior sobrevida, no entanto, o pior prognóstico é assunto controverso. OBJETIVO: O objetivo do estudo foi avaliar a sobrevida livre de recorrência e a sobrevida global entre os grupos de pacientes com metástase hepática colorretal metacrônica e sincrônica. MÉTODO: Análise retrospectiva através de revisão de prontuários de pacientes com metástase hepática colorretal atendidos no período de 2013 a 2016, divididos em grupos metacrônico e sincrônico. Foram utilizados o modelo de regressão de Cox e o método de Kaplan-Meier com teste de Log-rank para comparação de sobrevida entre os grupos. RESULTADOS: A média de sobrevida livre de recorrência no grupo metacrônico foi de 9,75 meses e 50% em 1 ano, e no grupo sincrônico 19,73 meses e 63,3% em 1 ano. A média de sobrevida global no grupo metacrônico foi de 20,00 meses e 6,2% em 3 anos, e no grupo sincrônico 30,39 meses e 31,6% em 3 anos. Os pacientes com metástase hepática metacrônica apresentaram pior sobrevida global em análise multivariada. O uso de drogas biológicas associadas ao tratamento quimioterápico foi relacionado ao melhor prognóstico em sobrevida global. CONCLUSÃO: A metástase hepática colorretal metacrônica foi associada a pior prognóstico na sobrevida global. Não houve diferença na sobrevida livre de recorrência entre as metástases metacrônica e sincrônica.

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          Randomized, phase III trial of panitumumab with infusional fluorouracil, leucovorin, and oxaliplatin (FOLFOX4) versus FOLFOX4 alone as first-line treatment in patients with previously untreated metastatic colorectal cancer: the PRIME study.

          Panitumumab, a fully human anti-epidermal growth factor receptor (EGFR) monoclonal antibody that improves progression-free survival (PFS), is approved as monotherapy for patients with chemotherapy-refractory metastatic colorectal cancer (mCRC). The Panitumumab Randomized Trial in Combination With Chemotherapy for Metastatic Colorectal Cancer to Determine Efficacy (PRIME) was designed to evaluate the efficacy and safety of panitumumab plus infusional fluorouracil, leucovorin, and oxaliplatin (FOLFOX4) versus FOLFOX4 alone as initial treatment for mCRC. In this multicenter, phase III trial, patients with no prior chemotherapy for mCRC, Eastern Cooperative Oncology Group performance status of 0 to 2, and available tissue for biomarker testing were randomly assigned 1:1 to receive panitumumab-FOLFOX4 versus FOLFOX4. The primary end point was PFS; overall survival (OS) was a secondary end point. Results were prospectively analyzed on an intent-to-treat basis by tumor KRAS status. KRAS results were available for 93% of the 1,183 patients randomly assigned. In the wild-type (WT) KRAS stratum, panitumumab-FOLFOX4 significantly improved PFS compared with FOLFOX4 (median PFS, 9.6 v 8.0 months, respectively; hazard ratio [HR], 0.80; 95% CI, 0.66 to 0.97; P = .02). A nonsignificant increase in OS was also observed for panitumumab-FOLFOX4 versus FOLFOX4 (median OS, 23.9 v 19.7 months, respectively; HR, 0.83; 95% CI, 0.67 to 1.02; P = .072). In the mutant KRAS stratum, PFS was significantly reduced in the panitumumab-FOLFOX4 arm versus the FOLFOX4 arm (HR, 1.29; 95% CI, 1.04 to 1.62; P = .02), and median OS was 15.5 months versus 19.3 months, respectively (HR, 1.24; 95% CI, 0.98 to 1.57; P = .068). Adverse event rates were generally comparable across arms with the exception of toxicities known to be associated with anti-EGFR therapy. This study demonstrated that panitumumab-FOLFOX4 was well tolerated and significantly improved PFS in patients with WT KRAS tumors and underscores the importance of KRAS testing for patients with mCRC.
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            Clinical score for predicting recurrence after hepatic resection for metastatic colorectal cancer: analysis of 1001 consecutive cases.

            There is a need for clearly defined and widely applicable clinical criteria for the selection of patients who may benefit from hepatic resection for metastatic colorectal cancer. Such criteria would also be useful for stratification of patients in clinical trials for this disease. Clinical, pathologic, and outcome data for 1001 consecutive patients undergoing liver resection for metastatic colorectal cancer between July 1985 and October 1998 were examined. These resections included 237 trisegmentectomies, 394 lobectomies, and 370 resections encompassing less than a lobe. The surgical mortality rate was 2.8%. The 5-year survival rate was 37%, and the 10-year survival rate was 22%. Seven factors were found to be significant and independent predictors of poor long-term outcome by multivariate analysis: positive margin (p = 0.004), extrahepatic disease (p = 0.003), node-positive primary (p = 0.02), disease-free interval from primary to metastases 1 (p = 0.0004), largest hepatic tumor >5 cm (p = 0.01), and carcinoembryonic antigen level >200 ng/ml (p = 0.01). When the last five of these criteria were used in a preoperative scoring system, assigning one point for each criterion, the total score was highly predictive of outcome (p < 0.0001). No patient with a score of 5 was a long-term survivor. Resection of hepatic colorectal metastases may produce long-term survival and cure. Long-term outcome can be predicted from five criteria that are readily available for all patients considered for resection. Patients with up to two criteria can have a favorable outcome. Patients with three, four, or five criteria should be considered for experimental adjuvant trials. Studies of preoperative staging techniques or of adjuvant therapies should consider using such a score for stratification of patients.
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              Surgical resection of colorectal carcinoma metastases to the liver: A prognostic scoring system to improve case selection, based on 1568 patients

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ag
                Arquivos de Gastroenterologia
                Arq. Gastroenterol.
                Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. (São Paulo, SP, Brazil )
                0004-2803
                1678-4219
                September 2018
                : 55
                : 3
                : 258-263
                Affiliations
                [1] Goiânia Goiás orgnameUniversidade Federal de Goiás orgdiv1Faculdade de Medicina orgdiv2Departamento de Cirurgia Brazil
                [3] Goiânia Goiás orgnameUniversidade Federal de Goiás orgdiv1Hospital das Clínicas Brazil
                [2] Goiânia Goiás orgnameUniversidade Federal de Goiás orgdiv1Programa de Pós-Graduação em Ciências da Saúde Brazil
                Article
                S0004-28032018002300258
                10.1590/s0004-2803.201800000-64
                45efb9ac-ede2-46ea-91c2-bbb825a75822

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 27 February 2018
                : 05 April 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 26, Pages: 6
                Product

                SciELO Brazil

                Categories
                Original Articles

                Neoplasias colorretais,Metástase neoplásica,Fígado,Prognóstico,Sobrevida,Colorectal neoplasms,Neoplastic metastasis,Liver,Prognosis,Survival

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