Figure 1From: Infliximab concentration monitoring improves the control of disease activity in rheumatoid arthritisStudy design. Each visit corresponds to infliximab infusion and included clinical assessment, a blood sample for measurement of infliximab, and testing for antibody against infliximab. The final therapeutic decision took into account infliximab concentration measured at visit 1. RA, rheumatoid arthritis.Back to article page