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ABSTRACT: Background
Three different injectable neurokinin-1 (NK-1) receptor antagonist formulations (CINVANTI® [C] vs. intravenous Emend® [E] vs. generic formulations of fosaprepitant [GFF]) were compared with respect to nausea and vomiting control, use of rescue therapy, and the development of infusion reactions over multiple cycles of chemotherapy.Methods
A retrospective analysis from 17 community oncology practices across the USA was conducted on patients who received moderately or highly emetogenic chemotherapy. The co-primary endpoints were the control of chemotherapy-induced nausea and vomiting (CINV) from days 1 to 5 over all cycles and the frequency of infusion-related reactions. Propensity score weighted multivariable logistic regression analysis was used to compare complete CINV control, the use of rescue therapy, and the risk of infusion reactions between groups.Results
The study enrolled 294 patients (C = 101, E = 101, GFF = 92) who received 1432 cycles of chemotherapy. Using CINVANTI® as the reference group, comparative effectiveness was suggested in CINV control over all chemotherapy cycles (odds ratio (OR): E vs. C = 1.00 [0.54 to 1.86] and GFF vs. C = 1.12 [0.54 to 2.32]). However, use of rescue therapy was significantly higher in the EMEND® group relative to CINVANTI® (OR = 2.69; 95%CI: 1.06 to 6.84). Infusion reactions were also numerically higher in the EMEND® group, but the difference did not reach statistical significance (OR = 4.35; 95%CI: 0.83 to 22.8).Conclusions
In this real-world analysis, patients receiving CINVANTI® had a reduced need for CINV rescue therapy and a numerically lower incidence of infusion reactions.
SUBMITTER: Dranitsaris G
PROVIDER: S-EPMC9213362 | biostudies-literature | 2022 Aug
REPOSITORIES: biostudies-literature
Dranitsaris George G Moezi Mehdi M Dobson Kate K Phelan Robert R Blau Sibel S
Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer 20220502 8
<h4>Background</h4>Three different injectable neurokinin-1 (NK-1) receptor antagonist formulations (CINVANTI® [C] vs. intravenous Emend® [E] vs. generic formulations of fosaprepitant [GFF]) were compared with respect to nausea and vomiting control, use of rescue therapy, and the development of infusion reactions over multiple cycles of chemotherapy.<h4>Methods</h4>A retrospective analysis from 17 community oncology practices across the USA was conducted on patients who received moderately or hig ...[more]