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Onco Targets Ther. 2018 Oct 4;11:6459-6478. doi: 10.2147/OTT.S158570. eCollection 2018.

Evolving role of neurokinin 1-receptor antagonists for chemotherapy-induced nausea and vomiting.

Author information

1
Department of Hematology/ Oncology, University of Alabama at Birmingham, Birmingham, AL, USA, rnavari@uabmc.edu.
2
Division of Hematology/Oncology, Department of Medicine, University of Tennessee Health Science Center and West Cancer Center, Memphis, TN, USA.

Abstract

To examine pharmacologic and clinical characteristics of neurokinin 1 (NK1)-receptor antagonists (RAs) for preventing chemotherapy-induced nausea and vomiting (CINV) following highly or moderately emetogenic chemotherapy, a literature search was performed for clinical studies in patients at risk of CINV with any approved NK1 RAs in the title or abstract: aprepitant (capsules or oral suspension), HTX019 (intravenous [IV] aprepitant), fosaprepitant (IV aprepitant prodrug), rolapitant (tablets or IV), and fixed-dose tablets combining netupitant or fosnetupi-tant (IV netupitant prodrug) with the 5-hydroxytryptamine type 3 (5HT3) RA palonosetron (oral or IV). All NK1 RAs are effective, but exhibit important differences in efficacy against acute and delayed CINV. The magnitude of benefit of NK1-RA-containing three-drug vs two-drug regimens is greater for delayed vs acute CINV. Oral rolapitant has the longest half-life of available NK1 RAs, but as a consequence should not be administered more frequently than every 2 weeks. In general, NK1 RAs are well tolerated; however, IV rolapitant was recently removed from US distribution, due to hypersensitivity and anaphylaxis, and IV fosaprepitant is associated with infusion-site reactions and hypersensitivity presumed related to its polysorbate 80 excipient. Also, available NK1 RAs have potential drug-drug interactions. Adding an NK1 RA to 5HT3 RA and dexamethasone significantly improves CINV control vs the two-drug regimen. Newer NK1 RAs offer more formulation options, higher acute-phase plasma levels, or improved tolerability, and increase clinicians' opportunities to maximize benefits of this important class of antiemetics.

KEYWORDS:

aprepitant; chemotherapy-induced nausea and vomiting; fosaprepitant; netupitant; neurokinin 1-receptor antagonists; rolapitant

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