Recs: 10 Re: Why is Tysabri not first line treatment? teresa , Who said it is not? eom The notion that Tysabri cannot /should not be used as a first line therapy is perpetuated by several parties. Number one is BIIB, second is the FDA's handling of the issue, and third, forth and fifth, are those
neuro's. patients and posters that read the "generally recommend" ...