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Interferon Beta-1a

In the US, Interferon Beta-1a (interferon beta-1a systemic) is a member of the drug class interferons and is used to treat Multiple Sclerosis and Neuritis.

US matches:



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Antineoplastic agent

Biological response modifier, BRM


Treatment of multiple sclerosis, MS

Foreign Names

  • Interferonum beta-1a (Latin)
  • Interferon beta-1a (German)
  • Interféron bêta-1a (French)
  • Interferón beta-1a (Spanish)

Generic Names

  • Interferon Beta-1a (OS: BANM, USAN)
  • Interferon Beta-1a (Genetical Recombination) (OS: JAN)
  • beta1A-IF (IS)
  • IFNbeta1a (IS)
  • Interferoni beta-1a (IS)
  • R-Frone (IS)
  • rh-IFN-Beta-1a (IS)
  • Interferon Beta-1a (Genetical Recombination) (PH: JP XVI)
  • Interféron bêta-1a (solution concentrée d') (PH: Ph. Eur. 8)
  • Interferon beta-1a concentrated solution (PH: Ph. Eur. 8)
  • Interferon Beta-1a Concentrated Solution (PH: BP 2016)
  • Interferon-beta-1a-Lösung, konzentrierte (PH: Ph. Eur. 8)
  • Interferoni beta-1a solutio concentrata (PH: Ph. Eur. 8)

Brand Names

  • Avonex
    Abbott, Ecuador; Abbott, Venezuela; Biogen, Australia; Biogen, Belgium; Biogen, Brazil; Biogen, Canada; Biogen, Czech Republic; Biogen, Germany; Biogen, Denmark; Biogen, Spain; Biogen, France; Biogen, Georgia; Biogen, Hungary; Biogen, Ireland; Biogen, Israel; Biogen, Iceland; Biogen, Lebanon; Biogen, Oman; Biogen, Romania; Biogen, Tunisia; Biogen Idec, Austria; Biogen Idec, Bosnia & Herzegowina; Biogen Idec, United Kingdom; Biogen Idec, Hong Kong; Biogen Idec, Italy; Biogen Idec, Lithuania; Biogen Idec, Norway; Biogen Idec, New Zealand; Biogen Idec, Serbia; Biogen Idec, United States; Biogen Idec Limited, Greece; Biogen Japan, Japan; Biogen Switzerland, Switzerland; BiogenIdec, Sweden; Gedeon Richter, Latvia; Medis Adria, Croatia (Hrvatska); Pharmaplan, South Africa; Biogen Idec, Poland
  • Avonex Pen
    Gen, Turkey
  • Axuareb
    Pisa, Mexico
  • Di Ning
    Changsheng Gene Pharmaceutical, China
  • Emaxem
    Probiomed, Dominican Republic; Probiomed, Guatemala; Probiomed, Honduras; Probiomed, Mexico
  • Jumtab
    Probiomed, Guatemala; Probiomed, Honduras; Probiomed, Mexico
  • Neurauxa
    Pisa, Mexico
  • Rebif
    EMD Serono, Canada; EMD Serono, United States; Merck, Belgium; Merck, Switzerland; Merck, Ecuador; Merck, Finland; Merck, Hong Kong; Merck, Croatia (Hrvatska); Merck, Hungary; Merck, Indonesia; Merck, South Korea; Merck, Mexico; Merck, Netherlands; Merck, Philippines; Merck, Serbia; Merck, Sweden; Merck, Slovenia; Merck S.L., Spain; Merck Sereno, Latvia; Merck Serono, Austria; Merck Serono, Australia; Merck Serono, China; Merck Serono, Czech Republic; Merck Serono, Germany; Merck Serono, Denmark; Merck Serono, France; Merck Serono, United Kingdom; Merck Serono, Georgia; Merck Serono, Ireland; Merck Serono, Israel; Merck Serono, Iceland; Merck Serono, Italy; Merck Serono, Lebanon; Merck Serono, Malaysia; Merck Serono, Norway; Merck Serono, Oman; Merck Serono, Poland; Merck Serono, Portugal; Merck Serono, Romania; Merck Serono, Taiwan; Merck Serono, South Africa; Serono, Brazil; Serono, Greece; Serono, Tunisia; Serono, Turkey; Serono Europe, Lithuania
  • Rebif NF
    Merck, Chile; Merck Serono, Argentina
  • Rebif RebiDose
    Merck, Switzerland


BANMBritish Approved Name (Modified)
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
USANUnited States Adopted Name

Further information on drug naming conventions: 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.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.