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01.03.2012 | Original Article | Ausgabe 3/2012

Supportive Care in Cancer 3/2012

Impact of initiating antiemetic prophylaxis with palonosetron versus ondansetron on risk of uncontrolled chemotherapy-induced nausea and vomiting in patients with lung cancer receiving multi-day chemotherapy

Zeitschrift:
Supportive Care in Cancer > Ausgabe 3/2012
Autoren:
Bruce Feinberg, James Gilmore, Sally Haislip, James Jackson, Gagan Jain, Sanjeev Balu, Deborah Buchner

Abstract

Purpose

The purpose of this study is to examine the risk of uncontrolled chemotherapy-induced nausea/vomiting (CINV) among lung cancer patients receiving multi-day chemotherapy and ondansetron- or palonosetron-initiated prophylactic antiemetic regimens in a community oncology setting.

Methods

The Georgia Cancer Specialists electronic medical records database was used to retrospectively identify lung cancer patients who received multi-day cisplatin or carboplatin regimens with ondansetron or palonosetron on day 1 between April 1, 2006 and July 31, 2009. Uncontrolled CINV events were identified through ICD-9-CM codes (nausea/vomiting), CPT codes (dehydration), rescue medications, nausea/vomiting hospitalizations, and/or antiemetic therapy after last chemotherapy administration of the cycle. Risk for uncontrolled CINV, up to 7 days after last chemotherapy administration, was analyzed at cycle level using logistic regression with regressors of gender, age, number of chemotherapy administration days, Charlson comorbidity index, cancer type, multicancer diagnoses, and chemotherapy regimen.

Results

A total of 209 palonosetron and 153 ondansetron patients (702 and 515 cycles, respectively) met the inclusion criteria. Palonosetron patients were significantly older (mean 67.9 versus 63.9 years; P < 0.0001), with no significant difference in gender, baseline comorbidity score, or multicancer diagnosis. Palonosetron cycles had 63% lower risk for uncontrolled CINV events versus ondansetron cycles [odds ratio (OR) 0.37; 95% confidence interval (CI) 0.25–0.54; P < 0.0001]. Sub-analysis by chemotherapy supported overall analysis (cisplatin OR 0.09; 95% CI 0.04–0.25; P < 0.0001; carboplatin OR 0.46; 95% CI 0.30–0.70; P = 0.0003).

Conclusion

In this retrospective analysis of lung cancer patients, multi-day chemotherapy cycles administered with palonosetron on day 1 were associated with a significantly lower risk for uncontrolled CINV events versus ondansetron-initiated chemotherapy cycles.

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