Copaxone vs Tysabri in the US Market Or you could say sequential growth in the latest Q was: Copaxone 1.9% Tysabri 7.7% Unless there was a price increase for Tysabri or some other distortion, Tysabri performed relatively better. IF the neuro's treating MS get more comfortable with the PML risk, Tysabri could gain a lot on it's superior patient outcomes. Thanks for the data table. ij