Neutralizing antibodies (NAbs) are a major hurdle to the successful use of biologics in clinical practice. The impact of NAbs is obvious in biologic systems with no redundancy. NAbs induced in response to treatment with recombinant erythropoietin or thrombopoietin cause life-threatening complications of pure red cell aplasia and thrombocytopenia as a direct result of inhibiting the activity of ...

Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system which is accompanied by considerable disability and high costs. This report summarises the evidence on effectiveness and costs of beta-interferons and natalizumab in the treatment of multiple sclerosis.The review included systematic reviews and randomised controlled trials (with an observation time of at lea...

This article refers to ‘Intravenous immunoglobulin therapy in adult patients with idiopathic chronic cardiomyopathy and cardiac parvovirus B19 persistence: a prospective, double-blind, randomized, placebo-controlled clinical trial’ by M.R. Hazebroek et al., published this issue on pages 302–309. Parvovirus (B19V) is common cause of rash children (erythema infectiosum), occasionally polyarthropa...