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- Sat Oct 20, 2012 9:26 am
- Forum: Tysabri (Antegren, Natalizumab)
- Topic: Tysabri long-term use anyone?
- Replies: 21
- Views: 40053
Re: Tysabri long-term use anyone?
As of November 2012, I will be on Tysabri for 5 years. I tested positive for JCV earlier this year, and I believe that was the ONLY test I have had for JCV since I started the study. Now that I am positive for JCV, I am at higher risk of developing PML. And, each month I continue the Tysabri makes t...