Friday, May 16

The PML RESTORE trial: What did we learn about Tysabri, PML and multiple sclerosis?

The information from the RESTORE trial helped to clarify an important question about whether or not Tysabri (natalizumab) can be used intermittently. The results suggest that a planned interruption of treatment results in a worsening of the MS. Clinical worsening occurred in as little as 1 month, whereas MRI changes did not occur until after the third month without natalizumab.
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