Drug

Who makes interferon beta-1a?

2 companies list interferon beta-1a as a human prescription drug, including under the names Avonex, Avonex Pen, REBIF REBIDOSE, Rebif. Forms: injection, solution; kit. Routes: intramuscular, subcutaneous.

Labellers from the openFDA NDC Directory. A labeller is the firm named on the label, not necessarily the site that made the product, and a listing is not an FDA approval. Data as of 24 Sept 2026. Methodology

Companies listing interferon beta-1a

CompanyFormsApplicationNDCsRegistered sites
EMD Serono, Inc.Franceinjection, solution; kitBLABLA103780612
Biogen International GmbHUnited Statesinjection, solution; kitBLABLA10362843

Bulk ingredient listings

Enquiry

Common questions

Who makes interferon beta-1a?
2 companies list interferon beta-1a as a human prescription drug in the openFDA NDC Directory, led by EMD Serono, Inc., Biogen International GmbH. Each is the labeller, the firm named on the label; the product may be made at a site registered to another company.
Who supplies interferon beta-1a active ingredient?
1 company lists interferon beta-1a as a bulk ingredient, including Biogen International GmbH.