Peginterferon Alfa 2-a



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Therapeutic Categories


Biological response modifier, BRM

Antiviral agent: Treatment of hepatitis

Chemical Name

Mono(N2,N6-dicarboxy-L-lysyl)interferon alfa-2a, diesters with polyethylene glycol monomethyl ether (WHO)

Foreign Names

  • Peginterferonum alfa-2a (Latin)
  • Peginterferon alfa 2-a (German)
  • Peginterferon alfa 2-a (French)
  • Peginterferon alfa 2-a (Spanish)

Generic Names

  • Peginterferon Alfa 2-a (OS: USAN, BAN)
  • Interferon alfa-2a [poly(oxyethylen)] (IS)
  • Interferon alfa-2a macrogol (IS)
  • Interferon alfa-2a, pegyliert (IS)
  • PEG-interferon alfa-2a (IS)
  • Polyethylene glycol interferon alfa-2a (IS)
  • Ro 258310 (IS)

Brand Names

  • Pegasys RBV (Peginterferon Alfa 2-a and Ribavirin)
    Roche, Australia; Roche, Canada; Roche, New Zealand; Roche, Philippines
  • Pegasys
    Chugai Pharmaceutical, Japan; Roche, Armenia; Roche, Argentina; Roche, Austria; Roche, Australia; Roche, Aruba; Roche, Azerbaijan; Roche, Bosnia & Herzegowina; Roche, Belgium; Roche, Brazil; Roche, Belarus; Roche, Canada; Roche, Switzerland; Roche, Chile; Roche, China; Roche, Colombia; Roche, Cuba; Roche, Czech Republic; Roche, Germany; Roche, Denmark; Roche, Ecuador; Roche, Spain; Roche, Finland; Roche, France; Roche, United Kingdom; Roche, Georgia; Roche, Hong Kong; Roche, Croatia (Hrvatska); Roche, Hungary; Roche, Indonesia; Roche, Ireland; Roche, Israel; Roche, Iceland; Roche, Italy; Roche, Kenya; Roche, Cambodia; Roche, South Korea; Roche, Kazakhstan; Roche, Laos; Roche, Lithuania; Roche, Luxembourg; Roche, Latvia; Roche, Moldova; Roche, Macedonia; Roche, Mexico; Roche, Netherlands; Roche, Norway; Roche, New Zealand; Roche, Oman; Roche, Philippines; Roche, Portugal; Roche, Paraguay; Roche, Romania; Roche, Serbia; Roche, Russian Federation; Roche, Sweden; Roche, Slovenia; Roche, Slovakia; Roche, Thailand; Roche, Tunisia; Roche, Turkey; Roche, Taiwan; Roche, Ukraine; Roche, United States; Roche, Uruguay; Roche, Uzbekistan; Roche, Venezuela; Roche, South Africa; Roche RX, Singapore
  • Unitron PEG
    Schering-Plough, Canada

International Drug Name Search


BANBritish Approved Name
ISInofficial Synonym
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld Health Organization

Click for further information on drug naming conventions and International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.