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Real members of MyMSTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.

Has anyone opted to continue Tysabri after testing JCV positive?

A MyMSTeam Member asked a question 💭
Jersey City, NJ

I’ve been on Tysabri for six years and it’s been working, but I’ve test JCV positive.
I can switch to another infusion therapy or try something else.
I hate starting all over again BUT the chances of PML are terrifying.
Anyone out there have gotten PML while on infusion therapy?

November 9, 2023
 · 
Reactions
A MyMSTeam Member

All I know is I have been on Tysabri for over 30 years & will never change off it.They Always test every time I go for the infusion, I love it.🤗

November 10, 2023
A MyMSTeam Member

I’m in my third year of tysabri, and have continued for the last year after becoming JC positive. The advice I received was that there was no hurry to change while the the JC index value is low, but I should change within a few years.

November 10, 2023

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