Relaunched Drug Tysabri Avoids Prior Brain Problem By THOMAS GRYTA [WSJ] April 16, 2008; Page B8 Biogen Idec Inc. and Elan PLC reported that about 26,000 patients are using their Tysabri multiple-sclerosis treatment, as of the end of March. Notably, since the drug's relaunch in July 2006, there have been no cases of a rare, often deadly, brain infection called progressive multifocal ...
