Abstract
Chemotherapy-induced nausea and vomiting (CINV) remains a challenge in cancer care. Improved understanding of CINV pathophysiology has triggered the development of new antiemetic therapeutic options, such as selective neurokinin-1 (NK1) receptor antagonists (RAs), which effectively prevent CINV when added to a standard antiemetic regimen (serotonin-3 RA and dexamethasone). Aprepitant and its water-soluble prodrug, fosaprepitant dimeglumine, are the most widely used NK1 RAs, with extensive clinical use worldwide. Recently, a Phase III trial prospectively evaluated fosaprepitant-based antiemetic therapy for CINV prevention in a large, well-defined nonanthracycline- and cyclophosphamide-based moderately emetogenic chemotherapy population. Fosaprepitant demonstrated significantly improved efficacy outcomes compared with a control regimen and was generally well tolerated, indicating that NK1 RAs are a valuable therapeutic option in this setting.
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