Multiple sclerosis (MS) is an autoimmune disorder, with involvement of both the humoral and cellular components of the immune system. The use of plasma exchange (PE) in steroid-refractory relapses has become an integral part of national and international guidelines for the treatment of steroid-resistant relapses of MS with an efficacy of 40-70%. So far, 6 studies of immunoadsorption (IA) treatment in different forms of MS have been published, 4 of them in steroid-refractory MS relapses. These 4 studies revealed a significant clinical improvement in 73-85% of patients with steroid-refractory MS relapses. However in MS patients with non-active relapsing-remitting or secondary progressive course, there was no clinical improvement. Despite the limited number of patients and studies, these data suggest a reasonably similar efficacy of IA in the treatment of steroid-refractory MS relapses compared to PE. More prospective trials are needed to confirm and extend these results.
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