Medizinische Universität Graz - Research portal
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SHR Neuro Cancer Cardio Lipid Metab Microb
Amini, N; Andreatos, N; Margonis, GA; Buettner, S; Wang, J; Galjart, B; Wagner, D; Sasaki, K; Angelou, A; Sun, J; Kamphues, C; Beer, A; Morioka, D; Løes, IM; Antoniou, E; Imai, K; Pikoulis, E; He, J; Kaczirek, K; Poultsides, G; Verhoef, C; Lønning, PE; Endo, I; Baba, H; Kornprat, P; NAucejo, F; Kreis, ME; Christopher, WL; Weiss, MJ; Safar, B; Burkhart, RA.
Mutant KRAS as a prognostic biomarker after hepatectomy for rectal cancer metastases: Does the primary disease site matter?
J Hepatobiliary Pancreat Sci. 2022; 29(4):417-427
Doi: 10.1002/jhbp.1054
Web of Science
PubMed
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- Co-authors Med Uni Graz
- Kornprat Peter
- Wagner Doris
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- Abstract:
- BACKGROUND: The prognostic implication of mutant KRAS (mKRAS) among patients with primary disease in the rectum remains unknown. METHODS: From 2000 to 2018, patients undergoing hepatectomy for colorectal liver metastases at 10 collaborating international institutions with documented KRAS status were surveyed. RESULTS: A total of 834 (65.8%) patients with primary colon cancer and 434 (34.2%) patients with primary rectal cancer were included. In patients with primary colon cancer, mKRAS served as a reliable prognostic biomarker of poor overall survival (OS) (hazard ratio [HR]: 1.58, 95% CI 1.28-1.95) in the multivariable analysis. Although a trend towards significance was noted, mKRAS was not found to be an independent predictor of OS in patients with primary rectal tumors (HR 1.34, 95% CI 0.98-1.80). For colon cancer, the specific codon impacted in mKRAS appears to reflect underlying disease biology and oncologic outcomes, with codon 13 being associated with particularly poor OS in patients with left-sided tumors (codon 12, HR 1.56, 95% CI 1.22-1.99; codon 13, HR 2.10 95% CI 1.43-3.08;). Stratifying the rectal patient population by codon mutation did not confer prognostic significance following hepatectomy. CONCLUSIONS: While the left-sided colonic disease is frequently grouped with rectal disease, our analysis suggests that there exist fundamental biologic differences that drive disparate outcomes. Although there was a trend toward significance of KRAS mutations for patients with primary rectal cancers, it failed to achieve statistical significance.
- Find related publications in this database (using NLM MeSH Indexing)
- Biomarkers - administration & dosage
- Codon - administration & dosage
- Colonic Neoplasms - genetics, pathology, surgery
- Colorectal Neoplasms - pathology
- Hepatectomy - administration & dosage
- Humans - administration & dosage
- Liver Neoplasms - genetics, secondary, surgery
- Mutation - administration & dosage
- Prognosis - administration & dosage
- Proto-Oncogene Proteins p21(ras) - genetics
- Rectal Neoplasms - genetics, pathology, surgery
- Find related publications in this database (Keywords)
- KRAS mutation
- liver metastases
- rectal cancer