Glatiramer Acetate Glatiramer acetate (Copaxone) is a polypeptide mixture that was originallly designed to mimic MBP. The mechanism of action of glatiramer acetate is distinct from that of glatiramer acetate is distinct from that of IFN; therefore,patients may respond differenttly to this drug. Glatiramer acetate(20 mg SC q.d.) has also been show to reduce the frequency of relapses by approximtely one third and therefore is also recommended as a first-line treatment for RR-MS or for patients who are IFN intolerant.Glatiramer acetate results in a one-third reduction in the inflammatory activity seen on MRI