hi i guess the consensus is that the lesions don't have a heck of a lot to do with edss at the end of the day..
anyway, one of the things copaxone is supposed to do is increase your uric acid level: http://msj.sagepub.com/cgi/content/abstract/6/6/378
do you know what your serum uric acid has been over the last while? serum ua is a decent indicator of disease process and optimizing your level might help you out too, according to some recent research.
i don't take copaxone, but i have been trying to get my uric acid level optimized by correcting previously deficient serum zinc. getting your zinc up to par boosts the uric acid and is also used by your body for myriad other processes. my old serum UA levels were ms average (194) and below (188), and i'm going in next week to find out if i've corrected them any with zinc. from the studies i've looked at uric acid in healthy controls is 290-300 umol/L. gout starts up around the UA=360 mark.
so as to getting more aggressive, i would say that depending on your current levels for zinc and UA, perhaps a little zinc treatment could help your copaxone do an even better job.