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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mant, David Harnden, Anthony Perera, Rafael Heneghan, Carl Shun-shin, Matthew Thompson, Matthew |
| Description | Author Affiliation: Shun-Shin M ( Kadoorie Centre, John Radcliffe Hospital, Headington, Oxford OX3 9DU.); |
| Abstract | Objective To assess the effects of the neuraminidase inhibitors oseltamivir and zanamivir in treatment of children with seasonal influenza and prevention of transmission to children in households. Design Systematic review and meta-analysis of data from published and unpublished randomised controlled trials. Data sources Medline and Embase to June 2009, trial registries, and manufacturers and authors of relevant studies. Review methods Eligible studies were randomised controlled trials of neuraminidase inhibitors in children aged ≤12 in the community (that is, not admitted to hospital) with confirmed or clinically suspected influenza. Primary outcome measures were time to resolution of illness and incidence of influenza in children living in households with index cases of influenza. Results We identified four randomised trials of treatment of influenza (two with oseltamivir, two with zanamivir) involving 1766 children (1243 with confirmed influenza, of whom 55-69% had influenza A), and three randomised trials for postexposure prophylaxis (one with oseltamivir, two with zanamivir) involving 863 children; none of these trials tested efficacy with the current pandemic strain. Treatment trials showed reductions in median time to resolution of symptoms or return to normal activities, or both, of 0.5-1.5 days, which were significant in only two trials. A 10 day course of postexposure prophylaxis with zanamivir or oseltamivir resulted in an 8% (95% confidence interval 5% to 12%) decrease in the incidence of symptomatic influenza. Based on only one trial, oseltamivir did not reduce asthma exacerbations or improve peak flow in children with asthma. Treatment was not associated with reduction in overall use of antibiotics (risk difference −0.30, −0.13 to 0.01). Zanamivir was well tolerated, but oseltamivir was associated with an increased risk of vomiting (0.05, 0.02 to 0.09, number needed to harm=20). Conclusions Neuraminidase inhibitors provide a small benefit by shortening the duration of illness in children with seasonal influenza and reducing household transmission. They have little effect on asthma exacerbations or the use of antibiotics. Their effects on the incidence of serious complications, and on the current A/H1N1 influenza strain remain to be determined. |
| ISSN | 09598138 |
| e-ISSN | 17561833 |
| Journal | BMJ (British Medical Journal) |
| Volume Number | 339 |
| Language | English |
| Publisher | British Medical Journal Publishing Group |
| Publisher Date | 2009-08-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Antiviral Agents Therapeutic Use Enzyme Inhibitors Influenza, Human Drug Therapy Neuraminidase Antagonists & Inhibitors Oseltamivir Zanamivir Anti-Bacterial Agents Asthma Bias (Epidemiology) Child, Preschool Infant Otitis Media Randomized Controlled Trials As Topic Risk Factors Meta-Analysis Medicine |
| Content Type | Text |
| Resource Type | Article |
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