Articles

Adherence to Capecitabine Among Patients With Gastrointestinal Cancer: A Prospective Cohort Study

Abstract

Adherence to capecitabine, an effective oral chemotherapy agent, is essential in achieving treatment response in cancer. In this study, we aimed to investigate factors associated with non-adherence to capecitabine in a sample of patients with gastrointestinal cancer. We enrolled 98 patients with colon, rectal or gastric cancers who were undergoing treatment with capecitabine as part of their single or multi-agent chemotherapy regimen. The patients were followed during cohort time up to four consecutive cycles of their chemotherapy. For adherence measurement, the participants were asked to bring back the leftover medicines at the time of follow-up visits and were considered adherent if they had taken ≥95% of their prescribed dose. The mean adherence rate was 97.7%, and the patients were adherent to capecitabine in 93.1% of their cycles. The patients who underwent neoadjuvant chemotherapy were significantly less adherent to capecitabine (60%) as compared with adjuvant (95.2%) and palliative chemotherapy (94.6%) [P=0.004]. Multivariable logistic regression revealed that neoadjuvant chemotherapy and the presence of nausea and mucositis were inversely associated with adherence rate. We did not find any association between adherence and any of our laboratory findings. Our findings suggest a high adherence rate to capecitabine among patients with gastrointestinal cancers. Neoadjuvant chemotherapy and the presence of nausea and mucositis may play a significant role in non-adherence to capecitabine.  

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IssueVol 60 No 11 (2022) QRcode
SectionArticles
DOI https://doi.org/10.18502/acta.v60i11.11649
Keywords
Capecitabine Adherence Gastrointestinal cancer Oral chemotherapy Side effects
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How to Cite
1.
Khajeh-Mehrizi A, Emami SAH, Safaee Nodehi SR, Jahangard-Rafsanjani Z, Roudini K, Dabiri MR, Emami SAM. Adherence to Capecitabine Among Patients With Gastrointestinal Cancer: A Prospective Cohort Study. Acta Med Iran. 2023;60(11):662-669.