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Abstract:
Copyright ARNOLD, HODDER HEADLINE PLC
Abstract:
As response to interferon beta (IFNB) treatment a 50% reduction of the mean relapse rate compared to pretreatment values has been reported. However, individual responses vary considerably, ranging from no reduction in exacerbation frequency to complete suppression of relapses for at least two years. At the moment valid predictors for IFNB response are lacking. Here we present a prospective evaluation of 33 patients with primary relapsing multiple sclerosis, who were followed for two years of IFNB treatment. A low interferon gamma (IFG) production before treatment predicted a two-year term without exacerbations in 68.8% of cases correctly, whereas a high pretreatment IFG production implied the risk of at least one relapse in the first two years in 70.6%. These preliminary results encourage further evaluation of IFG as predictor of an IFNB treatment response.
