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- W2105371905 abstract "Introduction: We assessed whether older patients experience the same treatment benefits from adjuvant chemotherapy in a real-world setting as younger patients in clinical trials. Methods: This retrospective cohort analysis used the linked Surveillance, Epidemiology, and End Results (SEER)-Medicare database. The analysis included 3,390 patients, >65 years, diagnosed with stage II or III colon cancer between January 1, 2004, and December 31, 2007. Patients were enrolled in Medicare Parts A and B, and had undergone adjuvant treatment with fluorouracil plus leucovorin (5-FU/LV; n=1,368), 5-FU/LV plus oxaliplatin (FOLFOX; n=1,398), capecitabine (CAP; n=507), or CAP plus oxaliplatin (CAPOX; n=117) within 3 months of surgery. Differences in patient demographics and disease characteristics by treatment were assessed by chi-square test and ANOVA or t-test. Cox proportional hazards regression and propensity score-weighted analyses were used to measure the relative risk of death associated with each treatment. Results: Median time from surgical resection to initiation of treatment was similar across cohorts (44-48 days). Mean treatment duration was longer for 5-FU/LV (149 days) and FOLFOX (144 days) than CAP (121 days) and CAPOX (111 days); p<.0001. In the propensity score-adjusted survival models, patients treated with FOLFOX (HR=0.70; 95%CI=0.55-0.90) and CAPOX (HR=0.44; 95%CI=0.20-0.98) had a significantly lower risk of death than 5FU/LV, while risk of death was similar between CAP and 5-FU/LV. Conclusions: Elderly patients with colon cancer have similar benefits from adjuvant chemotherapies in real-world settings as demonstrated in younger patients in clinical trial settings." @default.
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- W2105371905 date "2013-02-19" @default.
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- W2105371905 title "Comparative Effectiveness of Adjuvant Chemotherapy in Elderly Colon Cancer Patients" @default.
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- W2105371905 doi "https://doi.org/10.5539/cco.v2n1p115" @default.
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