Ankylosing Spondylitis and Rheumatoid Arthritis: Serum Levels of TNF- and Its Soluble Receptors during the Course of Therapy with Etanercept and Infliximab
Figure 4
Detection of etanercept in the TNF-R2 ELISA. Serial dilutions of etanercept were assayed in the TNF-R2 ELISA and compared to recombinant standards (a). Patient sera at the 12 week time point of etanercept treatment were analyzed using TNF-R2 ELISA (b). The significant difference between the patient groups is indicated by the value.