Betaseron parent company?

Who makes Betaseron today?

Betaseron (interferon beta-1b) is made by Bayer. The product is marketed under Bayer brand names in many countries.

What company owned Betaseron historically?

Betaseron was originally developed and commercialized by Berlex Laboratories (a Bayer-related entity at the time). Bayer later consolidated ownership of Betaseron within its corporate structure.

Is Betaseron the same as other interferon beta-1b products?

Yes—Betaseron is an interferon beta-1b product. Other countries may market different brand names or have generic/biosimilar alternatives, but the parent manufacturer/marketer for Betaseron is Bayer.