bestsynd
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Joined: 31 Dec 1969
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Location: Southern CA
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 Posted: Thu Mar 02, 2006 8:28 pm Post subject: Multiple Sclerosis Drug Tysabri Showed Promise |
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Multiple Sclerosis Drug Tysabri Showed Promise - MS Sufferers Ask the Food and Drug Administration to Bring it Back to Market
March 2nd 2006
Tysabri
Stanford researchers have found that the new drug natalizumab (Tysabri) can have fatal consequences. The drug went through the U.S. Food and Drug Administration (FDA) fast-track approval process in 2004 following promising results seen early in two clinical trials. The drug has been used to treat multiple sclerosis (MS).
Two patients have contracted a rare brain infection called progressive multifocal leukoencephalopathy (PML) last month, and two died of the disease. This spurred the marketer, Biogen Idec and Elan Pharmaceuticals, to pull the drug off the market until the risks can be investigated.
Multiple sclerosis is an immune disorder that affects 400,000 Americans, mostly young adults. MS is a debilitating disease that begins with numbness and muscle weakness, often getting worse with time. The disease will cause nervous system damage.
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