Evaluation of quality of life (QoL) in 1,210 patients (pts) with metastatic colorectal cancer (MCRC) treated with capecitabine (X) in Brazil: Udated results from a large pt cohort with analysis as a function of pts’ ECOG PS

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Background: The oral fluoropyrimidine X has superior efficacy and improved safety vs. 5-FU/LV in MCRC and early-stage colon cancer. Consequently, X is replacing 5-FU/LV as the backbone of MCRC therapy and is moving into the adjuvant setting. The QoL benefits of oral agents like X over traditional i.v. drugs are becoming more important in MCRC. Methods: Pts with MCRC who received standard oral X (1,250 mg/m2 twice daily on days 1–14, every 3 weeks) until progressive disease or unacceptable toxicity completed EORTC QLQ C-30 (v3.0) and CR-38 questionnaires at baseline, before cycle 1, at weeks 7 and 13, and at end of treatment. The proportion of pts with improvement, stabilization or worsening of QoL scores from week 7 was analyzed using linear models with repeated measures (generalized estimating questions technique) and SAS (v8.2). Each questionnaire item was analyzed as a function of pts’ ECOG status before first cycle and the evaluation periods. Results: Here we report QoL findings in 1210 pts (male/female, 51%/49%); median age 60 years (range 20–91); 53% of males and 57% of females had ECOG 0 at baseline. Almost half of the pts completed QoL questionnaires through to the end of treatment. Around 42% of pts who presented ECOG ≥1 had ECOG 0 at the end of treatment. Regardless of the baseline ECOG score, pts had significant improvements (p<0.0001 unless stated) in pain (p<0.0002), stoma-related problems (p=0.0003), defecation problems (p=0.0112), appetite loss (p=0.001), weight loss, insomnia (p=0.0074), constipation, body image (p=0.0142), emotional functioning, social functioning (p=0.0170), financial problems (p=0.0407), future perspective, and global health status (p=0.0003). Conclusions: X was associated with improved QoL, with significant benefits observed in most functional/symptomatic QoL domains. The efficacy, safety and convenience benefits of X as reported previously appear to have a direct impact on QoL. These data support its increasing use in the first-line and adjuvant settings.

No significant financial relationships to disclose.