• Br J Anaesth · Aug 2023

    Randomized Controlled Trial

    Palonosetron as prophylaxis for post-discharge nausea and vomiting: a prospective, randomised, double-blind, placebo-controlled trial in ambulatory surgery.

    • Antonio Moraitis, Tomi Myrberg, Magnus Hultin, Helena Nyström, and Jakob Walldén.
    • Department of Surgical and Perioperative Sciences (Sundsvall), Faculty of Medicine, Umeå University, Umeå, Sweden. Electronic address: antonio.moraitis@umu.se.
    • Br J Anaesth. 2023 Aug 1; 131 (2): 276283276-283.

    BackgroundApproximately 25% of ambulatory surgery patients experience post-discharge nausea and vomiting (PDNV). We aimed to investigate whether palonosetron, a long-acting anti-emetic, decreases the incidence of PDNV in high-risk patients.MethodsIn this prospective, randomised, double-blind, placebo-controlled trial, 170 male and female patients undergoing ambulatory surgery under general anaesthesia, with a high predicted risk for PDNV, were randomised to receive either palonosetron 75 μg i.v. (n=84) or normal saline (n=86) before discharge. During the first 3 postoperative days (PODs), we measured outcomes using a patient questionnaire. The primary outcome was the incidence of a complete response (no nausea, vomiting, or use of rescue medication) until POD 2. Secondary outcomes included the incidence of PDNV each day until POD 3.ResultsThe incidence of a complete response until POD 2 was 48% (n=32) in the palonosetron group and 36% (n=25) in the placebo group (odds ratio 1.69 [95% confidence interval: 0.85-3.37]; P=0.131). No significant difference in the incidence of PDNV was observed between the two groups on the day of surgery (47% vs 56%; P=0.31). Significant differences in the incidence of PDNV were found on POD 1 (18% vs 34%; P=0.033) and POD 2 (9% vs 27%; P=0.007). No differences were observed on POD 3 (15% vs 13%; P=0.700).ConclusionsCompared with placebo, palonosetron did not reduce the overall incidence of post-discharge nausea and vomiting up to postoperative day 2. The lower incidence of post-discharge nausea and vomiting on poatoperative days 1 and 2 in the palonosetron group requires further investigation.Clinical Trial RegistrationEudraCT 2015-003956-32.Copyright © 2023 The Author(s). Published by Elsevier Ltd.. All rights reserved.

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