BACKGROUND: Diarrhea is common with many types of chemotherapy and can have a major impact on maintaining dose intensity and treatment effectiveness, and on overall health care resource consumption. In this study, a cost of illness analysis was conducted to estimate the overall economic impact of grade III/IV diarrhea in patients with colorectal cancer receiving adjuvant or palliative chemotherapy. METHODS: This was a retrospective cohort study of patients with colorectal cancer who had received fluoropyrimidines, irinotecan or oxaliplatin (or a combination of these) and had developed grade III or IV diarrhea. Data collection included patient demographics, disease-related information and healthcare resource utilization to manage the grade III/IV diarrhea event (n=96). RESULTS: Grade III/IV diarrhea developed after the first cycle of chemotherapy in 54.2% of patients and was responsible for a median dose reduction and delay of 20% and 7 days, respectively. Overall, 31 of 96 patients (32.3%) required a hospital admission for supportive care with an 8-day median length of stay (range 2 to 28 days). When the economic impact of the grade III/IV diarrhea was quantified, the mean cost was Can 2559 dollars per patient (95%CI: 1665 to 3453 dollars). A logistic regression analysis identified grade IV diarrhea (OR 11.2; P<0.001) and severe diarrhea developing after the first chemotherapy cycle (OR 3.1; P=0.051) as being significantly associated with patient hospitalization. CONCLUSIONS: Grade III/IV diarrhea is a debilitating and costly complication of chemotherapy in colorectal cancer. Effective interventions that prevent the development of severe diarrhea need to be identified to save health-care costs and reduce patient morbidity.
BACKGROUND:Diarrhea is common with many types of chemotherapy and can have a major impact on maintaining dose intensity and treatment effectiveness, and on overall health care resource consumption. In this study, a cost of illness analysis was conducted to estimate the overall economic impact of grade III/IV diarrhea in patients with colorectal cancer receiving adjuvant or palliative chemotherapy. METHODS: This was a retrospective cohort study of patients with colorectal cancer who had received fluoropyrimidines, irinotecan or oxaliplatin (or a combination of these) and had developed grade III or IV diarrhea. Data collection included patient demographics, disease-related information and healthcare resource utilization to manage the grade III/IV diarrhea event (n=96). RESULTS: Grade III/IV diarrhea developed after the first cycle of chemotherapy in 54.2% of patients and was responsible for a median dose reduction and delay of 20% and 7 days, respectively. Overall, 31 of 96 patients (32.3%) required a hospital admission for supportive care with an 8-day median length of stay (range 2 to 28 days). When the economic impact of the grade III/IV diarrhea was quantified, the mean cost was Can 2559 dollars per patient (95%CI: 1665 to 3453 dollars). A logistic regression analysis identified grade IV diarrhea (OR 11.2; P<0.001) and severe diarrhea developing after the first chemotherapy cycle (OR 3.1; P=0.051) as being significantly associated with patient hospitalization. CONCLUSIONS: Grade III/IV diarrhea is a debilitating and costly complication of chemotherapy in colorectal cancer. Effective interventions that prevent the development of severe diarrhea need to be identified to save health-care costs and reduce patient morbidity.
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Authors: Bret D Wallace; Adam B Roberts; Rebecca M Pollet; James D Ingle; Kristen A Biernat; Samuel J Pellock; Madhu Kumar Venkatesh; Leah Guthrie; Sara K O'Neal; Sara J Robinson; Makani Dollinger; Esteban Figueroa; Sarah R McShane; Rachel D Cohen; Jian Jin; Stephen V Frye; William C Zamboni; Charles Pepe-Ranney; Sridhar Mani; Libusha Kelly; Matthew R Redinbo Journal: Chem Biol Date: 2015-09-10