sentences:  A 2010 Cochrane review concluded that glatiramer acetate had partial efficacy in "relapse-related clinical outcomes" but no effect on progression of the disease.As a result, it is approved by the FDA for reducing the frequency of relapses, but not for reducing the progression of disability.A 15-year followup of the original trial compared patients who continued with glatiramer to patients who dropped out of the trial.