Metabolic syndrome, metabolic comorbid conditions and risk of early-onset colorectal cancer

Hanyu Chen, Xiaobin Zheng, Xiaoyu Zong, Zitong Li, Na Li, Jinhee Hur, Cassandra D.L. Fritz, William Chapman, Katelin B. Nickel, Andrew Tipping, Graham A. Colditz, Edward L. Giovannucci, Margaret A. Olsen, Ryan C. Fields, Yin Cao

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Objective Factors that lead to metabolic dysregulation are associated with increased risk of early-onset colorectal cancer (CRC diagnosed under age 50). However, the association between metabolic syndrome (MetS) and early-onset CRC remains unexamined. Design We conducted a nested case-control study among participants aged 18-64 in the IBM MarketScan Commercial Database (2006-2015). Incident CRC was identified using pathologist-coded International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes, and controls were frequency matched. MetS was defined as presence of ≥3 conditions among obesity, hypertension, hyperlipidaemia and hyperglycaemia/type 2 diabetes, based on ICD-9-CM and use of medications. Multivariable logistic regressions were used to estimate ORs and 95% CIs. Results MetS was associated with increased risk of early-onset CRC (n=4673; multivariable adjusted OR 1.25; 95% CI 1.09 to 1.43), similar to CRC diagnosed at age 50-64 (n=14 928; OR 1.21; 95% CI 1.15 to 1.27). Compared with individuals without a metabolic comorbid condition, those with 1, 2 or ≥3 conditions had a 9% (1.09; 95% CI 1.00 to 1.17), 12% (1.12; 95% CI 1.01 to 1.24) and 31% (1.31; 95% CI 1.13 to 1.51) higher risk of early-onset CRC (p trend <0.001). No associations were observed for one or two metabolic comorbid conditions and CRC diagnosed at age 50-64. These positive associations were driven by proximal (OR per condition 1.14; 95% CI 1.06 to 1.23) and distal colon cancer (OR 1.09; 95% CI 1.00 to 1.18), but not rectal cancer (OR 1.03; 95% CI 0.97 to 1.09). Conclusions Metabolic dysregulation was associated with increased risk of early-onset CRC, driven by proximal and distal colon cancer, thus at least in part contribute to the rising incidence of early-onset CRC.

Original languageEnglish
Pages (from-to)1147-1154
Number of pages8
JournalGut
Volume70
Issue number6
DOIs
StatePublished - Jun 1 2021

Keywords

  • cancer epidemiology
  • colorectal cancer

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