As soon as US biotechnology firm Biogen Idec announced that it might be for sale, several potential buyers were identified, but Ireland's Elan may hold a trump card in that it has options to acquire or sell the other 50% interest in the multiple sclerosis drug Tysabri (natalizumab) collaboration with the Massachusetts-based company in the event of a change of ownership.
Given the significant interest that Big Pharma has shown for biotechnology - as evidenced by Anglo-Swedish drug major AstraZeneca's $15.6 billion buy of MedImmune - equal to 11 times annual sales (Marketletters passim), possible contenders for Biogen Idec include worldwide giant Pfizer, and fellow US-based Johnson & Johnson, as well as European drug majors such as GlaxoSmithKline, Sanofi-Aventis, Novartis and Roche.
Prompted by expression of interest from Carl Icahn
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