Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
Efficacy of Pharmacotherapy for Seasonal Influenza in Young and Middle-aged Adults: A Systematic Review and Network Meta-analysis
Nao HanakiRyoto SakaniwaTakuhiro MoromizatoJun MiyataKeiko IshimuraMidori NoguchiHiroyasu Iso
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JOURNAL OPEN ACCESS Advance online publication

Article ID: 2100-23

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Abstract

Background Seasonal influenza affects healthcare demand. However, the efficacy of anti-influenza drugs, particularly among young patients at a low risk of complications, has rarely been evaluated. Therefore, we evaluated the efficacy of anti-influenza drugs against seasonal influenza in healthy young and middle-aged adults.

Methods A systematic review and network meta-analysis were conducted. The Cochrane Central Register of Controlled Trials and Medical Literature Analysis and Retrieval System Online were searched for original articles reporting double-blind, randomized controlled trials published up to the end of July 2023. Clinical trials that tested the efficacy of anti-influenza drugs in young and middle-aged patients with seasonal influenza were also included. The primary outcome was time to fever alleviation. The efficacy and adverse effects of these treatments were estimated using a Bayesian hierarchical random-effects model and a Markov chain Monte Carlo simulation.

Results In total, 24 articles with 34 treatments and 8,949 individuals were included. Oseltamivir (300 mg/day for 5 days) showed the largest reduction in time to fever alleviation by -19.1 (95% confidence interval [CI]: -29.4, -10.7) h compared with a placebo. Baloxavir marboxil (40 mg/day) reduced the time to symptom alleviation by -28.2 (95% CI: -42.7, -13.7) h, and peramivir (300 mg/day) administered by intravenous infusion for 1 day reduced the time to resumption of usual activities by -43.5 (95% CI: -72.8, -14.2) h.

Conclusion Several pharmaceutical treatments were able to reduce the recovery time for fever and symptom alleviation and resumption of usual activities in young and middle-aged adults with seasonal influenza without increasing the risk of complications.

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© 2024 by The Japanese Society of Internal Medicine

This article is licensed under a Creative Commons [Attribution-NonCommercial-NoDerivatives 4.0 International] license.
https://creativecommons.org/licenses/by-nc-nd/4.0/
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