Background.In this retrospective study,we report our experience with infliximab for recalcitrant psoriasis.Methods.Twelve patients were treated between September 2001 and April 2005.Infliximab 5 mg/kg was given at 0,2 and 6 weeks followed by 5 mg/kg at 8-week intervals.When two patients developed resistance to treatment,methotrexate was added at a dose of 5-7.5 mg weekly for all patients.Response to treatment was assessed with physician global assessment with a score of excellent,good,moderate,poor and failure.Ten patients had chronic plaque psoriasis,one had pustular palmoplantar psoriasis and one had acrodermatitis continua of Hallopeau.Results.Nine patients,including the patient with acrodermatitis continua,showed an excellent response.Two patients initially showed good response but became resistant to treatment.One patient failed to respond,and treatment was discontinued.With time,six patients with excellent response and two with good response developed side-effects that necessitated stopping treatment.Conclusions.We have found infliximab tobe very impressive,both in efficacy and speed of action,in severe psoriasis.Its use,however,is limited,as it requires hospital admission and by the need for concomitant methotrexate.Because of its powerful immunosuppressive action,the possibility of activating tuberculosis and inducing lymphoma remains a concern.
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