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- W2589460664 abstract "129 Background: This study analyzed the risk of chemotherapy induced nausea and vomiting (N&V) [CINV] associated with palonosetron versus other 5-HT 3 receptor antagonists (5-HT 3 -RAs) initiation among patients with non-colon gastrointestinal cancers receiving chemotherapy (CT) in a hospital outpatient setting. Methods: Patients diagnosed with any non-colon gastrointestinal cancer initiating any CT and antiemetic prophylaxis with palonosetron (Group 1) or other 5-HT 3 -RAs (Group 2) for the first time (index date) between 4/1/2007-3/31/2009 were identified from the Premier Perspective database. Patients included were aged ≥ 18 years, with no evidence of N&V, CT, and antiemetic medication in the 6 month pre-index date period, and with at least 36 consecutive months of data. A negative binomial GLM regression analysis was done estimating the number of CINV events (identified through either ICD-9-CM codes for N&V and/or volume depletion or CINV-related rescue medications 1 day after CT administration) in the follow-up period (first of 8 CT cycles or 6 months post index date) between the 2 groups (after matching on CT and specific CT cycle). Results: Of 658 identified patients, 215 initiated on palonosetron (Group 1; 32.7%). Group 1 patients were significantly younger [61.7 (SD: 11.3) vs. 62.2 (12.1) years; p = 0.0073], a higher percent received highly emetogenic chemotherapy (27.4% vs. 19.4%; p < 0.0001), and comprised of less African Americans (7.0% vs. 13.3%). In the follow-up period, the unadjusted number of CINV events per patient per CT cycle for Group 1 patients was lower versus Group 2 patients, though statistically non-significant (4.7 vs. 5.2; p = 0.1714). However, after controlling for differences in demographic and clinical variables, the regression model predicted a statistically significant reduction (30.9%) in the total CINV events per patient per CT cycle in favor of Group 1 patients; p = 0.0086. Conclusions: In this analysis, patients with non-colon gastrointestinal cancers initiated on palonosetron were more likely to experience a significantly lower rate of CINV events per patient per CT cycle versus those initiated on other 5-HT3-RAs. [Table: see text]" @default.
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- W2589460664 date "2011-02-01" @default.
- W2589460664 modified "2023-09-26" @default.
- W2589460664 title "Palonosetron versus other 5-HT3–receptor antagonists for chemotherapy-induced nausea and vomiting prevention in patients with noncolon gastrointestinal cancers." @default.
- W2589460664 doi "https://doi.org/10.1200/jco.2011.29.4_suppl.129" @default.
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