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Dig Dis Sci. 2009 Jun;54(6):1307-11. doi: 10.1007/s10620-009-0790-8. Epub 2009 Apr 1.

For patients with colorectal cancer, the long-term use of statins is associated with better clinical outcomes.

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  • 1Dallas Veteran's Affairs Medical Center, Department of Internal Medicine, Dallas, TX 75216, USA. ali.siddiqui@utsouthwestern.edu

Abstract

Statins have been found to suppress tumor cell growth and to limit the ability of tumor cells to metastasize in studies involving cell lines and animals. To explore how the long-term use of statins influences the presentation and survival of patients with colorectal cancer (CRC), we conducted a retrospective case-control study of male patients with a new diagnosis of CRC who we categorized as: (1) Statin Users who used statins continuously >/=3 years prior to the diagnosis of CRC and (2) Statin Non-Users who did not use statins. Clinical factors were analyzed by simple Chi-square and multivariate regression analysis to identify independent predictors for advanced CRC. We identified 1,309 male patients with a new diagnosis of CRC (mean age 69 +/- 1.1 (SE) years; 326 Statin Users, 983 Statin Non-Users). Compared to Statin Non-Users, Statin Users had a less advanced tumor stage (2.2 vs. 2.6; P < 0.01), a lower prevalence of metastases (OR = 0.7 [0.4-0.9, 95% CI]; P < 0.01), and a higher frequency of right-sided tumors (OR = 1.6 [1.3-2.1], 95%CI]; P < 0.01). Overall 5-year survival for Statin Users was 37% compared to 33% in Statin Non-Users (OR = 0.7 [0.6-0.9], 95%CI]; P = 0.03). In patients who present to the hospital with CRC, the long-term use of statins is associated with a less advanced tumor stage, a higher prevalence of right-sided tumors, a lower frequency of distant metastases, and a better survival rate.

PMID:
19337834
DOI:
10.1007/s10620-009-0790-8
[PubMed - indexed for MEDLINE]
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