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Efficacy, safety, and pharmacokinetics of intravenous peramivir in children with 2009 pandemic H1N1 influenza A virus infection.

ABSTRACT: Peramivir is a new neuraminidase inhibitor for intravenous administration that was first introduced in clinical practice in Japan. We conducted a multicenter, open-label, uncontrolled study in children with influenza virus infection ranging in age from ?28 days to <16 years during the 2009 pandemic A (H1N1) influenza epidemic to evaluate the efficacy, safety, and pharmacokinetics of peramivir in children after intravenous infusion of 10 mg/kg (600 mg maximum) once daily. Among the 106 children (125 days to 15 years old) confirmed to have been infected with the pH1N1 virus by the PCR who were treated with peramivir, the median time to alleviation of symptoms was 29.1 h (95% confidence interval = 22.1 to 32.4), and the proportion of the 106 children who were virus positive was 78.2% on day 2 after the start of treatment and had decreased to 7.1% on day 6. The results of the safety evaluation among 117 patients enrolled in this study showed that adverse events and adverse drug reactions were reported in 62.4 and 29.1%, respectively, of the patients. All of the adverse events and adverse drug reactions resolved or improved rapidly. A population pharmacokinetic analysis was performed on the basis of 297 observed plasma concentration data obtained from 115 children with influenza virus infection. Peramivir exposure in children was within the range of levels within which the efficacy and safety was confirmed in adults, and it is considered that peramivir is clinically and virologically effective and safe in children with pH1N1 virus infection.

SUBMITTER: Sugaya N

PROVIDER: S-EPMC3256071 | biostudies-literature | 2012 Jan

REPOSITORIES: biostudies-literature

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Efficacy, safety, and pharmacokinetics of intravenous peramivir in children with 2009 pandemic H1N1 influenza A virus infection.

Sugaya Norio N Kohno Shigeru S Ishibashi Toru T Wajima Toshihiro T Takahashi Takao T

Antimicrobial agents and chemotherapy 20111024 1

Peramivir is a new neuraminidase inhibitor for intravenous administration that was first introduced in clinical practice in Japan. We conducted a multicenter, open-label, uncontrolled study in children with influenza virus infection ranging in age from ≥28 days to <16 years during the 2009 pandemic A (H1N1) influenza epidemic to evaluate the efficacy, safety, and pharmacokinetics of peramivir in children after intravenous infusion of 10 mg/kg (600 mg maximum) once daily. Among the 106 children ( ...[more]

PMID: 22024821

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Project description:ObjectiveThis report presents a review of the efficacy and safety of peramivir, a neuraminidase inhibitor that was granted Emergency Use Authorization by the US Food and Drug Administration (FDA) from October 23, 2009 to June 23, 2010 during the 2009 H1N1 pandemic.MethodsLiterature was accessed via PubMed (January 2000-April 2014) using several search terms: peramivir; BCX-1812; RWJ 270201; H1N1, influenza; antivirals; and neuraminidase inhibitors. The peramivir manufacturers, Shionogi and Co Ltd and BioCryst Pharmaceuticals, were contacted to obtain unpublished data and information presented at recent scientific meetings. Information was obtained from the Centers for Disease Control and Prevention (CDC) and from US FDA websites. English-language and Japanese-language reports in the literature were reviewed and selected based on relevance, along with information from the CDC, US FDA, and the drug manufacturers.ResultsWe obtained eleven clinical trial reports of intravenous peramivir, two of which described comparisons with oseltamivir. Seven of nine other recently reported published studies was a dose-response study. Clinical reports of critically ill patients and pediatric patients infected with pandemic H1N1 described that early treatment significantly decreased mortality. Peramivir administered at 300 mg once daily in adult patients with influenza significantly reduces the time to alleviation of symptoms or fever compared to placebo. It is likely to be as effective as other neuraminidase inhibitors.ConclusionAlthough peramivir shows efficacy for the treatment of seasonal and pH1N1 influenza, it has not received US FDA approval. Peramivir is used safely and efficiently in hospitalized adult and pediatric patients with suspected or laboratory-confirmed influenza. Peramivir might be a beneficial alternative antiviral treatment for many patients, including those unable to receive inhaled or oral neuraminidase inhibitors, or those requiring nonintravenous drug delivery.

Dataset Information

Efficacy, safety, and pharmacokinetics of intravenous peramivir in children with 2009 pandemic H1N1 influenza A virus infection.

Publications

Efficacy, safety, and pharmacokinetics of intravenous peramivir in children with 2009 pandemic H1N1 influenza A virus infection.

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