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Abstract
Summary
"Chemotherapy-induced
nausea and vomiting (CINV) is one of the most problematic adverse
events that affects the well-being of cancer patients.
Risk factors for CINV and their elimination are necessary to increase the indications and effectiveness of chemotherapy. We enrolled 1549 chemotherapy-naive patients to two phase II trials and a phase III trial of palonosetron between 2005 and 2007. Treatment failure (any emetic episodes or any administration of rescue medication) and/or nausea, and their associations with patient factors were evaluated in acute and in delayed phases using univariate and multivariate analyses. Female gender (odds ratio, 95% confidence interval: 2.96, 2.09-4.20), age less than 55 years (2.56, 1.94-3.37), non-habitual alcohol intake (1.90, 1.43-2.51) and non-smoker (1.40, 1.04-1.90) were associated with treatment failure in acute phase. In contrast, only female gender (1.88, 1.34-2.64) was associated with treatment failure in delayed phase. The number of risk factors was significantly associated with CINV in both acute and delayed phases. Patient risk factors were significantly associated with CINV. Depending on the relationship between CINV- related risk factors, and a tailored antiemetic treatment, high-risk patients defined by the listed risk factors may be candidates for future clinical trials."
Risk factors for CINV and their elimination are necessary to increase the indications and effectiveness of chemotherapy. We enrolled 1549 chemotherapy-naive patients to two phase II trials and a phase III trial of palonosetron between 2005 and 2007. Treatment failure (any emetic episodes or any administration of rescue medication) and/or nausea, and their associations with patient factors were evaluated in acute and in delayed phases using univariate and multivariate analyses. Female gender (odds ratio, 95% confidence interval: 2.96, 2.09-4.20), age less than 55 years (2.56, 1.94-3.37), non-habitual alcohol intake (1.90, 1.43-2.51) and non-smoker (1.40, 1.04-1.90) were associated with treatment failure in acute phase. In contrast, only female gender (1.88, 1.34-2.64) was associated with treatment failure in delayed phase. The number of risk factors was significantly associated with CINV in both acute and delayed phases. Patient risk factors were significantly associated with CINV. Depending on the relationship between CINV- related risk factors, and a tailored antiemetic treatment, high-risk patients defined by the listed risk factors may be candidates for future clinical trials."
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