from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A synthetic antiviral ribonucleoside, C8H12N4O5, that inhibits the replication of DNA and RNA, used to treat respiratory syncytial virus.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An antiviral drug used to treat a number of DNA and RNA viruses.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an inhaled antiviral agent (trade name Virazole) that may be used to treat serious virus infections


from The American Heritage® Dictionary of the English Language, 4th Edition

Probably rib(onucleic) a(cid) + vir(us) + -in.


  • The midstage clinical trial "Quantum" was testing 235 patients who were receiving PSI-938 alone, or in combination with PSI-7977, or in combination with both PSI-7977 and another drug called ribavirin.

    Pharmasset Halts Hepatitis C Drug in Test

  • Six months to a year of weekly injections of the drug interferon, which helps the immune system fight viruses, combined with a daily pill called ribavirin, has doctors claiming success rates as high as 99 percent.

    CNN Transcript Aug 6, 2007

  • Currently fewer than half of patients with genotype 1 hepatitis C are treated effectively by the standard combination of two drugs, peginterferon alfa-2b plus ribavirin, which is typically given for 48 weeks.

    WebWire | Recent Headlines

  • During the three months ended March 31, 2010, our development costs associated with ANA598 were primarily associated with our Phase II study of ANA598 in combination with pegylated interferon alpha and ribavirin, which is the current standard of care (SOC) for the treatment of hepatitis C.

    GuruFocus Updates -

  • The only U.S. Food and Drug Administration approved therapy is interferon and ribavirin, which is very toxic, requires 48 weeks of treatment and works in less than half of patients.

    Health News from Medical News Today

  • A sixth group took only interferon and ribavirin, which is the current standard of care for HCV antiviral treatment. - medical news plus CME for physicians

  • The drug ribavirin, which is given to Lassa victims, was given to the fifth Lujo virus patient

    CBS 11 / TXA 21 - Dallas / Fort Worth's Source for Breaking News, Weather, and Sports

  • April 23, 2009 / PRNewswire-FirstCall / -- Valeant Pharmaceuticals today announced that results from the week-60 analysis for its Phase IIb dose-finding clinical trial for taribavirin, a prodrug of ribavirin which is in development for the treatment of chronic hepatitis C in conjunction with a pegylated interferon, was presented today at the European Association for the Study of Liver (EASL) 44th Annual Meeting in Copenhagen, Denmark.


  • The main safety issue the agency raised with regard to boceprevir was an "increased frequency and severity of anemia" or a decrease in the number of red blood cells when boceprevir is added to pegylated interferon and ribavirin, two other drugs currently used to treat hepatitis C.

    Hepatitis C Drugs Await FDA Approval

  • Incivek is given for 12 weeks with standard treatment, with all patients stopping the drug and getting continued treatment with pegylated-interferon and ribavirin alone for another 12 to 36 weeks.

    Hepatitis C Drug Approved


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