interferon beta-1a · Medicine question

When does serum antiviral activity peak after an intramuscular injection of Avonex (interferon beta-1a)?

Name: When does serum antiviral activity peak after an intramuscular injection of Avonex (interferon beta-1a)?
Published: 2026-11-08T13:50:26.556Z

iatroX medicinesPublished 8 November 2026

The answer

Answer

Serum antiviral activity peaks 5–15 hours after intramuscular Avonex (interferon beta-1a), as measured indirectly using an assay sensitive to interferon but not specific for interferon beta.

Sources for this answer

AVONEX 30 micrograms/0.5 ml solution for injection.Biogen Idec Ltd · emc · SmPC §5.2 Pharmacokinetic properties · Version 34Document updated 13 May 2026

Sources checked 8 November 2026

loading page…

Answer

Sources for this answer

Answer

Sources for this answer

More questions about interferon beta-1a