Author Topic: 495 PML cases as of 9/4/14 (3 of them Crohn's disease)  (Read 63 times)

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Offline agate

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495 PML cases as of 9/4/14 (3 of them Crohn's disease)
« on: September 21, 2014, 12:23:06 pm »
As of September 2, 2014, there have been 495 PML cases among Tysabri-treated patients. All but 3 of the cases have been people with MS. The 3 other cases have had Crohn's disease.

At present the risk of PML is about 3.72 per 1,000, and the death rate for the PML patients is at 22%

The data is based on a total of 129,100 patients ever treated with Tysabri up to 6/30/14.




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MS Speaks--online for 12 years

SPMS, diagnosed 1980. Avonex 2001-2004. Copaxone 2007-2010.