LONDON, Aug 13 (Reuters) - The European Medicines Agency said on Wednesday it was assessing two cases of a potentially deadly brain disease reported last month in multiple sclerosis (MS) patients being treated with the drug Tysabri.
The London-based agency said it would then decide whether any changes were necessary to the currently approved label for product, which is made by Elan Corp Plc (ELN) and Biogen Idec Inc (BIIB).
Shares in both companies slumped following the July 31 news of the latest cases of the brain infection known as progressive multifocal leukoencephalopathy (PML).‹
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”