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      Getting it right the first time: recent progress in optimizing antiemetic usage

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          Abstract

          Recent years have witnessed significant improvements in the prevention and management of chemotherapy-induced nausea and vomiting (CINV), allowing patients to complete their prescribed chemotherapy regimens without compromising quality of life. This reduction in the incidence of CINV can be primarily attributed to the emergence of effective, well-tolerated antiemetic therapies, including serotonin (5-hydroxytryptamine or 5-HT3) receptor antagonists, neurokinin-1 (NK-1) receptor antagonists, and the atypical antipsychotic olanzapine. While 5-HT3 receptor antagonists are highly effective in the prevention of acute CINV, NK-1 receptor antagonists and olanzapine have demonstrated considerable activity against both acute and delayed CINV. Various combinations of these three types of agents, along with dexamethasone and dopamine receptor antagonists, are now becoming the standard of care for patients receiving moderately or highly emetogenic chemotherapy. Optimal use of these therapies requires careful assessment of the unique characteristics of each agent and currently available clinical trial data.

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          Most cited references31

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          2016 MASCC and ESMO guideline update for the prevention of chemotherapy- and radiotherapy-induced nausea and vomiting and of nausea and vomiting in advanced cancer patients.

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            The oral neurokinin-1 antagonist aprepitant for the prevention of chemotherapy-induced nausea and vomiting: a multinational, randomized, double-blind, placebo-controlled trial in patients receiving high-dose cisplatin--the Aprepitant Protocol 052 Study Group.

            In early clinical trials with patients receiving highly emetogenic chemotherapy, the neurokinin antagonist aprepitant significantly enhanced the efficacy of a standard antiemetic regimen consisting of a type-three 5-hydroxytryptamine antagonist and a corticosteroid. This multicenter, randomized, double-blind, placebo-controlled phase III study was performed to establish definitively the superiority of the aprepitant regimen versus standard therapy in the prevention of chemotherapy-induced nausea and vomiting (CINV). Patients receiving cisplatin > or = 70 mg/m2 for the first time were given either standard therapy (ondansetron and dexamethasone on day 1; dexamethasone on days 2 to 4) or an aprepitant regimen (aprepitant plus ondansetron and dexamethasone on day 1; aprepitant and dexamethasone on days 2 to 3; dexamethasone on day 4). Patients recorded nausea and vomiting episodes in a diary. The primary end point was complete response (no emesis and no rescue therapy) on days 1 to 5 postcisplatin, analyzed by a modified intent-to-treat approach. Treatment comparisons were made using logistic regression models. Tolerability was assessed by reported adverse events and physical and laboratory assessments. The percentage of patients with complete response on days 1 to 5 was significantly higher in the aprepitant group (72.7% [n = 260] v 52.3% in the standard therapy group [n = 260]), as were the percentages on day 1, and especially on days 2 to 5 (P <.001 for all three comparisons). Compared with standard dual therapy, addition of aprepitant was generally well tolerated and provided consistently superior protection against CINV in patients receiving highly emetogenic cisplatin-based chemotherapy.
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              Addition of the neurokinin 1 receptor antagonist aprepitant to standard antiemetic therapy improves control of chemotherapy-induced nausea and vomiting. Results from a randomized, double-blind, placebo-controlled trial in Latin America.

              Aprepitant is a novel neurokinin 1 (NK(1)) antagonist that has been shown to improve control of chemotherapy-induced nausea and vomiting (CINV) when added to a standard antiemetic regimen of a 5-hydroxytriptamine-3 antagonist plus a corticosteroid. The authors sought to evaluate further the efficacy and tolerability of aprepitant plus standard therapy in a large clinical trial. This was a multicenter, randomized, double-blind, placebo-controlled, parallel-groups, Phase III study. Patients with cancer who were scheduled to receive treatment with high-dose cisplatin chemotherapy were randomized to receive 1 of 2 treatment regimens; the standard therapy group received intravenous ondansetron 32 mg and oral dexamethasone 20 mg on Day 1, and oral dexamethasone 8 mg twice daily on Days 2-4. The aprepitant group received oral aprepitant 125 mg, intravenous ondansetron 32 mg, and oral dexamethasone 12 mg on Day 1; oral aprepitant 80 mg and oral dexamethasone 8 mg once daily on Days 2-3; and oral dexamethasone 8 mg on Day 4. Patients recorded episodes of emesis, use of rescue therapy, and severity of nausea in a diary. A modified intent-to-treat approach was used to analyze the efficacy data. The primary endpoint was complete response (no emesis and no rescue therapy) during the 5-day period postcisplatin. Treatment comparisons were made using logistic regression models, and reported adverse events and physical and laboratory assessments were used to assess tolerability. A total of 523 patients were evaluated for efficacy, and 568 patients were evaluated for safety. During the 5 days after chemotherapy, the percentages of patients who achieved a complete response were 62.7% in the aprepitant group (163 of 260 patients) versus 43.3% in the standard therapy group (114 of 263 patients; P < 0.001). For Day 1, the complete response rates were 82.8% for the aprepitant group and 68.4% for the standard therapy group (P < 0.001); for Days 2-5, the complete response rates were 67.7% in the aprepitant group and 46.8% in the standard therapy group (P < 0.001). The overall incidence of adverse events was similar between the 2 treatment groups (72.8% in the aprepitant group [206 of 283 patients] and 72.6% in the standard therapy group [207 of 285 patients]) as were rates of serious adverse events, discontinuations due to adverse events, and deaths. In patients with cancer who are receiving high-dose cisplatin-based chemotherapy, therapy consisting of aprepitant (125 mg on Day 1 and 80 mg on Days 2-3) plus a standard regimen of ondansetron and dexamethasone provided superior antiemetic protection compared with standard therapy alone and was generally well tolerated. Copyright 2003 American Cancer Society.
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                Author and article information

                Contributors
                (901)683-0055 , lschwartzberg@westclinic.com
                Journal
                Support Care Cancer
                Support Care Cancer
                Supportive Care in Cancer
                Springer Berlin Heidelberg (Berlin/Heidelberg )
                0941-4355
                1433-7339
                19 March 2018
                19 March 2018
                2018
                : 26
                : Suppl 1
                : 19-27
                Affiliations
                ISNI 0000 0004 6013 2320, GRID grid.488536.4, West Cancer Center, ; Memphis, TN USA
                Author information
                http://orcid.org/0000-0002-7433-3428
                Article
                4116
                10.1007/s00520-018-4116-2
                5876255
                29556812
                e48d87b8-cbd8-41f3-805c-2d6d0b4c094a
                © The Author(s) 2018

                Open Access This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

                History
                : 22 November 2017
                : 15 February 2018
                Categories
                Special Article
                Custom metadata
                © Springer-Verlag GmbH Germany, part of Springer Nature 2018

                Oncology & Radiotherapy
                chemotherapy-induced nausea and vomiting,cinv,5-ht3 receptor antagonist,nk-1 receptor antagonist,olanzapine,radiotherapy-induced nausea and vomiting

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