... years.ResultsContinuation rates of infliximab therapy Of the initial 511 patients enrolled in the study, 507 effectivelystarted infliximab therapy. All patients had long-standing, active, refractory RA, ... 1 of 7(page number not for citation purposes)Vol 8 No 4Research articleFour-year follow-up of infliximab therapy in rheumatoid arthritis patients with long-standing refractory disease: attrition ... primarily maintained toevaluate effectiveness and safety issues [27,28]. Evaluation of the efficacy of long-term therapy shows that, after 4 years of infliximab therapy, the majority of patients...