Roche is buying gene therapy specialist Spark Therapeutics Inc. for $4.8bn to get hold of the latter's already approved Luxturna for inherited blindness and a pipeline that contains a couple of potential hemophilia A treatments that will boost the Swiss major's presence in the rare blood disease space.
The Basel-based company is splashing out $114.50 per share to acquire Spark, representing a premium of 122% on the US...








