Retrospective evaluation of Middle Eastern patients (pts) with type II diabetes mellitus (DM) and colorectal cancer (CRC): Validation of metformin effect on overall survival (OS).
2014
478 Background: Epidemiologic data suggest that anti-DM medications may impact OS in CRC pts who have type 2 DM. Although type 2 DM and CRC are major health problems in the Middle East, little data exists on pts with both conditions from this region. Methods: Medical records from 1,835 CRC pts seen at King Hussein Cancer Center between 1/1/2004 and 12/31/2012 were evaluated for prevalence of type 2 DM; those with both conditions were evaluated for anti-diabetic therapy and treatment outcomes (OS and progression-free survival [PFS]). Results: 285 type 2 DM CRC patients were identified (prevalence 15.5%); 19 pts were censored as their anti-DM medications were not known. Median age of 266 pts analyzed was 62.1 years (± 8.9), M: F ratio 1.6:1, non-metformin (n = 109, 41%), metformin only (n = 43, 16%), metformin + insulin (n = 11, 4%), metformin + another oral agent (n = 104, 39%). Metformin use increased over time (19% in 2004 to 71% in 2012). Adjusting for age, gender, body mass index, and stage, type 2 DM ...
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