Slide 7* confirms that Tysabri is the BIC for reducing relapses in RRMS with a 67% reduction.
On Tysabri my wife went about 5 years without an attack or any evidence of new injury per gd-MRI. (Switched her to Tecfidera due to JCV+)
* RMS Clinical Efficacy Outcomes Comparison of Reduction in Annualized Relapse Rate (ARR)
It is astonishing what foolish things one can temporarily believe if one thinks too long alone ... where it is often impossible to bring one's ideas to a conclusive test either formal or experimental. J.M. Keynes