Clinical benefits of adding olanzapine to 5-HT3 receptor antagonist, NK1 receptor antagonist, and dexamethasone for the prevention of nausea and vomiting in highly emetogenic chemotherapy: a systematic review and meta-analysis of the Clinical Practice Guidelines for Antiemesis 2023 from the Japan Society of Clinical Oncology.
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引用次数: 0
Abstract
Background: Olanzapine is an atypical antipsychotic drug used for chemotherapy-induced nausea and vomiting. It is particularly effective in preventing delayed nausea and vomiting induced by highly emetogenic chemotherapy (HEC). However, it has side effects, such as hyperglycemia and somnolence, the efficacy and safety of adding olanzapine to triplet antiemetic therapy (5-HT3 receptor antagonist, NK1 receptor antagonist, and dexamethasone) must be verified.
Methods: We performed a systematic review and meta-analysis to compare the effectiveness of olanzapine combined with triplet antiemetic therapy and triplet antiemetic therapy in preventing nausea and vomiting for HEC. We set five items (hyperglycemia, prevention of vomiting, prevention of nausea, adverse events, and cost (drug costs)) as outcomes and conducted a systematic review.
Results: Five randomized controlled trials was extracted and they showed that the addition of olanzapine was effective in control of nausea and vomiting, especially in the delayed phase. Complete response of acute and delayed phase were significantly higher in the olanzapine group. Risk difference was - 0.14 [95% CI - 0.26, - 0.03; p = 0.02] and - 0.14 [95% CI - 0.19, -0.09; p < 0.00001], respectively. Additionally, we evaluated hyperglycemia and somnolence, which are typical side effects of olanzapine. However, the incidence of grade ≥ 2 was low in both events, and there was no significant difference between olanzapine and control groups.
Conclusions: Adding olanzapine to triplet antiemetic therapy is useful in preventing nausea and vomiting induced by HEC and there would be minimal adverse effects from the combination use.
期刊介绍：
The International Journal of Clinical Oncology (IJCO) welcomes original research papers on all aspects of clinical oncology that report the results of novel and timely investigations. Reports on clinical trials are encouraged. Experimental studies will also be accepted if they have obvious relevance to clinical oncology. Membership in the Japan Society of Clinical Oncology is not a prerequisite for submission to the journal. Papers are received on the understanding that: their contents have not been published in whole or in part elsewhere; that they are subject to peer review by at least two referees and the Editors, and to editorial revision of the language and contents; and that the Editors are responsible for their acceptance, rejection, and order of publication.
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