Τετάρτη 6 Φεβρουαρίου 2019

Risk factors associated with chemotherapy-induced nausea and vomiting in the triplet antiemetic regimen including palonosetron or granisetron for cisplatin-based chemotherapy: analysis of a randomized, double-blind controlled trial

Abstract

Purpose

The triplet antiemetic regimen is recommended for cisplatin-based highly emetogenic chemotherapy, in the current guidelines for antiemetic prophylaxis. Although risk factors related to chemotherapy-induced nausea and vomiting (CINV) have been identified by several prior studies, there are only few studies evaluating risk factors associated with the prophylactic triplet antiemetic therapy, particularly in palonosetron use. The present study aimed to reveal the risk factors related to CINV development in patients receiving cisplatin and to compare CINV risk factors between palonosetron and granisetron use.

Methods

In total, 825 patients in a phase III trial receiving palonosetron with graniestron were evaluated. Multivariate logistic regression models were used to predict risk factors associated with CINV development. Additionally, risk factors associated with CINV development were separately evaluated in each treatment group.

Results

Multivariate analysis of the entire study group revealed that sex, age, cisplatin dose, and granisetron use were significant and independent factors affecting CINV development in the overall phase. Similarly, sex and age were risk factors for CINV in both treatment groups. Kaplan–Meier curves classified by each treatment group showed no significant difference between the groups among patients without any risk factors for CINV (P = 0.353). Conversely, complete response rates for patients with at least one risk factor were higher in patients receiving palonosetron (P = 0.049).

Conclusions

This analysis revealed the importance of previously reported CINV risk factors when using triplet antiemetics. Palonosetron might be preferred for patients with at least one risk factor.



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