Use of intravenous zanamivir after development of oseltamivir resistance in a critically Ill immunosuppressed child infected with 2009 pandemic influenza A (H1N1) virus.

Dulek, Daniel E; Williams, John V; Creech, C Buddy; Schulert, Alynna K; Frangoul, Haydar A; Domm, Jennifer; Denison, Mark R; Chappell, James D · Clin Infect Dis · 2010

case_report · Level V

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Abstract

Immunosuppressed patients receiving oseltamivir for 2009 novel H1N1 influenza A infection may develop drug resistance, leading to treatment failure. Intravenous zanamivir was administered on a compassionate-use basis to a profoundly immunosuppressed pediatric patient with severe oseltamivir-resistant novel H1N1 pneumonia. The regimen was well tolerated and was associated with a decrease in viral burden.

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