Reported by Trent S.-in Miami -- thanks Trent
Biotechnology companies Biogen Idec Inc. and Elan Corp. on Monday reported the fourth case this year of a deadly brain infection in a patient taking their multiple-sclerosis drug Tysabri.
The companies said they notified relevant regulatory agencies about the patient, located in the European Union, on Dec. 11. That patient has received about 26 months of Tysabri for the autoimmune condition multiple sclerosis and is being treated by a physician.
The drug has been facing pressure on the market since August, when the companies reported two new cases of the brain infection called progressive multifocal leukoencephalopathy, or PML. A third case was reported in November. More than 35,500 patients are taking the drug worldwide.
The companies have argued the risks, which are on the drug's label, are outweighed by the benefit the drug provides to multiple sclerosis patients. Tysabri was pulled from the market in 2005 after being linked to PML but reintroduced under restricted sales conditions in mid-2006.
Source: CNNMoney.com © 2008 Cable News Network.(15/12/08).
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