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ABSTRACT
Introduction: Chemotherapy-induced nausea and vomiting (CINV) has a negative impact on the lives of subjects receiving chemotherapy. In 2009, the second generation 5-HT3-receptor antagonist, palonosetron, which is longer-acting than granisetron, was shown, as part of dual therapy with dexamethasone, to be superior to intravenous granisetron in the delayed phase of CINV.
Area covered: In an attempt to maintain plasma levels of granisetron during the delayed phase of CINV, longer-acting preparations of granisetron have been manufactured. In addition to comparing intravenous/oral granisetron with palonosetron, this review considers the new longer-acting preparations of granisetron (transdermal and subcutanous) with emphasis on whether they are effective in the delayed phase of CINV.
Expert opinion: Comparison of intravenous/oral granisetron and palonosetron, as part of triple therapy against the delayed phase of CINV, do not give clear-cut results as to non-inferiority or superiority of either agent. Subcutaneous granisetron is more convenient to use than transdermal granisetron, and has been shown to be non-inferior to palonosetron, as part of dual therapy, in the treatment of the acute and delayed phases of CINV. At present, it seems likely that there will be ongoing roles for intravenous and subcutaneous granisetron in CINV, but further data is required to ascertain the future of transdermal granisetron.
Declaration of interest
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.