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Aprepitant has been shown to reduce chemotherapy-induced nausea and vomiting in children receiving highly emetogenic chemotherapy (HEC). In this study, we assessed the cost-effectiveness of aprepitant for children receiving HEC in India, United Kingdom, and the United States.We utilized individual patient-level outcome data from a pediatric randomized trial, which demonstrated the superiority of an aprepitant-based anti-emetic prophylaxis over standard ondansetron and dexamethasone for HEC. Health state for each day of follow-up was analyzed and quality-adjusted life years (QALYs) were estimated. The incremental cost-utility ratio (ICUR), incremental cost-effectiveness ratio (ICER), and net monetary benefit (NMB) for each country were estimated. Sensitivity analyses by varying cost of aprepitant, hospitalization, and health state utility values by ±25% were conducted.Use of the aprepitant-based regimen resulted in gain of 0.0019 QALY per chemotherapy cycle along with cost savings of $22.25, $1335.52, and $6612.10 for India, United Kingdom, and the United States, respectively. The cost savings per QALY was estimated to be $12,355.84 for India, $734,282.90 for the United Kingdom, and $3,567,564.11 for the United States. The cost savings for 50% gain in the percentage of days without grade 3 vomiting was $124.18 for India, $7451.63 for the United Kingdom, and $36,892.76 for the United States. The NMB for gain in QALY was $33.62, $1418.60, and $6727.01 for India, United Kingdom, and the United States, respectively. The estimates remained cost-effective across all scenarios of the sensitivity analyses.Aprepitant-based anti-emetic regimen is cost-effective for children receiving HEC. It results in overall cost savings and reduced healthcare-resource utilization. |
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