Biotechnology Shares of Swedish Orphan Biovitrum, also known as Sobi, gained more than 2% in early trading, as the company revealed that the European Commission has approved an extension of the indication for Doptelet (avatrombopag) to include the treatment of primary chronic immune thrombocytopenia (ITP) in adult patients who are refractory to other treatments (eg, corticosteroids, immunoglobulins) in all European Union member states. 20 January 2021