Figure 1From: Infliximab in ankylosing spondylitis: alone or in combination with methotrexate? A pharmacokinetic comparative studyArea under the concentration curve versus the time curve for serum infliximab concentration between baseline and week 18 (AUC 0-18 ) for patients with ankylosing spondylitis who had predominantly axial symptoms and were receiving infliximab or infliximab + methotrexate (MTX) treatment. The patient with anti-infliximab antibodies is shown as an open circle.Back to article page