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Nimptsch, Katharina; Aleksandrova, Krasimira; Fedirko, Veronika; Jenab, Mazda; Gunter, Marc J; Siersema, Peter D; Wu, Kana; Katzke, Verena; Kaaks, Rudolf; Panico, Salvatore; Palli, Domenico; May, Anne M; Sieri, Sabina; Bueno-de-Mesquita, Bas; Standahl, Karina; Sánchez, Maria-Jose; Perez-Cornago, Aurora; Olsen, Anja; Tjønneland, Anne; Bonet, Catalina Bonet; Dahm, Christina C; Chirlaque, María-Dolores; Fiano, Valentina; Tumino, Rosario; Gurrea, Aurelio Barricarte; Boutron-Ruault, Marie-Christine; Menegaux, Florence; Severi, Gianluca; van Guelpen, Bethany; Lee, Young-Ae; Pischon, Tobias
BMC cancer, 06/2022, Volume: 22, Issue: 1Journal Article
The role of elevated pre-diagnostic C-reactive protein (CRP) concentrations on mortality in individuals with colorectal cancer (CRC) remains unclear. We investigated the association between pre-diagnostic high-sensitivity CRP concentrations and CRP genetic variation associated with circulating CRP and CRC-specific and all-cause mortality based on data from 1,235 individuals with CRC within the European Prospective Investigation into Cancer and Nutrition cohort using multivariable-adjusted Cox proportional hazards regression. During a median follow-up of 9.3 years, 455 CRC-specific deaths were recorded, out of 590 deaths from all causes. Pre-diagnostic CRP concentrations were not associated with CRC-specific (hazard ratio, HR highest versus lowest quintile 0.92, 95% confidence interval, CI 0.66, 1.28) or all-cause mortality (HR 0.91, 95% CI 0.68, 1.21). Genetic predisposition to higher CRP (weighted score based on alleles of four CRP SNPs associated with higher circulating CRP) was not significantly associated with CRC-specific mortality (HR per CRP-score unit 0.95, 95% CI 0.86, 1.05) or all-cause mortality (HR 0.98, 95% CI 0.90, 1.07). Among four investigated CRP genetic variants, only SNP rs1205 was significantly associated with CRC-specific (comparing the CT and CC genotypes with TT genotype, HR 0.54, 95% CI 0.35, 0.83 and HR 0.58, 95% CI 0.38, 0.88, respectively) and all-cause mortality (HR 0.58, 95% CI 0.40, 0.85 and 0.64, 95% CI 0.44, 0.92, respectively). The results of this prospective cohort study do not support a role of pre-diagnostic CRP concentrations on mortality in individuals with CRC. The observed associations with rs1205 deserve further scientific attention.
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