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Abstract
The ‘Decade of the Brain’ (1990–2000) saw unprecedented advances in neurosciences including multiple sclerosis. It could have not been more aptly named, as it produced a shift in the paradigm of multiple sclerosis management, making multiple sclerosis a treatable disorder with the availability of several therapeutic options. For a chronic progressive neurological disorder like multiple sclerosis, this change in the understanding and treatment touched the lives of hundreds of thousands of patients worldwide and many more who provided care and counsel as family and friends. Of the four agents available for the treatment of the most common type of multiple sclerosis – relapsing–remitting – three are β-interferons and one is a noninterferon polypeptide of four amino acids (glatiramer acetate) with a distinct immunomodulating profile. Glatiramer acetate is now approved and available in North America, Europe and many other countries. It has been tested in pivotal trials as well as long term extension trials for almost 10 years (8 years published) providing remarkable evidence of efficacy and safety. This review will highlight the immune mechanisms and clinical data reported with glatiramer acetate in multiple sclerosis over the past three decades.