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Rational for an early treatment of multiple sclerosis
Multiple sclerosis (MS) is a demyelinating disease of the central nervous system (CNS) of unknown etiology. Its pathological hallmark is the presence within the CNS of inflammatory infiltrates containing few autoreactive T cells and a multitude of pathogenic nonspecific lymphocytes. Based on that, various non-specific immunosupressive agents have been tested with marginal benefits on the natural evolution of the disease and frequent short- and long-term adverse effects. Moreover, due to their unfavourable profile, these therapies have been usually limited to patients with progressive courses or high clinical activity. The recent approval of IFNb and Copolymer 1, as therapies able to modify the disease course in relapsing-remitting and secondary progressive, as well as the available immunopathological and clinical data suggesting that the early treatment of MS with safe profile immunomodulatory drugs could be advantageous compared to late treatments, supports the ‘putative’ relevance of these new drugs in the early treatment of MS patients. However we must wait for the results of ongoing clinical trials to define if such an early treatment has substantial advantages compared to late treatment.
Copolymer 1Early treatmentIFNbImmunomodulatory drugsMultiple sclerosisEsclerosis múltiple