Quote:
Originally Posted by kingrex
I did see the NEJM report today...however, even though the patient had stopped immunosuppressants 8 mos. previous, he had been on that therapy for 5 years, and there is no way to demonstrate that his immune system was functioning normally when he began Tysabri infusion. In fact, his immune system may well have been very abnormal after such protracted immunosuppressant therapy.
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I suppose that was possible but the patient's health, with the exception of the problems associated with Crohn's, was very good when he started on the Tysabri. His viral blood count was normal...until he started to use the Tysabri which indicates the JCV virus was not active.
You are very right in saying that we will just have to wait for more safety data as more patients start to use Tysabri.
Harry