Potential test for PML risk - Tysabri gets Europe approval
Potential test for PML risk - Tysabri gets Europe approval
Biogen Idec Inc.'s diagnostic test that may help determine the risk of developing a rare brain infection in patients using multiple sclerosis drug Tysabri has received marketing approval in Europe.
Tysabri, sold with Elan Corp, is a highly effective treatment for the debilitating disease, but it has been linked in a small number of patients to progressive multifocal leukoencephalopathy, or PML. Global sales rose 16% to $ 1.2 billion last year, although growth has been lower than originally expected in recent years because of the risks of the infection....Read More - http://www.msrc.co.uk/index.cfm/fuseact ... ageid/1905
MS-UK - http://www.ms-uk.org/
- HarryZ
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Re: Potential test for PML risk - Tysabri gets Europe approv
Reading about this test on the net indicates that having a negative result doesn't guarantee you won't get PML. Having a positive test doesn't mean you will necessarily get PML. Some patients don't want to have the test and are willing to take the chance they will be OK.squiffy2 wrote:
Biogen Idec Inc.'s diagnostic test that may help determine the risk of developing a rare brain infection in patients using multiple sclerosis drug Tysabri has received marketing approval in Europe.
Some patients who get a positive test still want to try Tysabri but their docs won't prescribe it for them under the circumstances.
Has to be frustrating for all involved.
Harry
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