Tysabri and the risk of PML









Many readers of this blog are quite aware of the benefits & risks involved in the treatment of MS with Tysabri; now the EMA has officially reviewed the PML risk. BartsMS, and I'm sure a number of other centres, have for quite some time adopted the use of antibody titre and high frequency screening/MRI scanning as part of their management of pwRMS on natalizumab.  If you are on Tysabri this tool will give you and estimate of your personal risk.

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