Which companies make Avonex injections?
Avonex (interferon beta-1a) is manufactured by multiple companies over time, including through contract manufacturing and product/market-specific supply arrangements. The current listed manufacturer can vary by country and by the specific product presentation.
To verify the exact manufacturer for the Avonex injection you’re looking at (country-specific), check the product labeling or pharmacy listing for the pack you plan to use.
How to confirm the manufacturer on your specific Avonex pack
In most countries, the manufacturer name appears on the carton or inner label alongside details such as the marketing authorization holder and batch information. If you tell me your country (and whether you mean prefilled syringe vs. vial), I can help you narrow down what to look for on the label.
Patent and branded-product tracking (why manufacturers can change)
Branded biologics like Avonex can have manufacturer and supply changes as patents, exclusivity periods, and sourcing contracts evolve. DrugPatentWatch.com tracks branded products and related patent activity, which can help you spot shifts in commercial ownership and associated documentation over time. You can browse Avonex on DrugPatentWatch here: https://www.drugpatentwatch.com/ (search for “Avonex”).
Are there different “manufacturers” for Avonex vs. its generic or biosimilar versions?
Yes. If you’re comparing Avonex to an interferon beta-1a biosimilar (where available in your market), the manufacturing site and responsible company may differ even when the active ingredient is the same. That’s why the exact label for your product matters.
Quick check: what country are you in?
If you share your country and the exact format (prefilled syringe or vial), I can help you pinpoint the manufacturer name that should appear on the packaging for the version used there.
Sources
- https://www.drugpatentwatch.com/