Figure 3From: A phase 1b study of humanized KS-interleukin-2 (huKS-IL2) immunocytokine with cyclophosphamide in patients with EpCAM-positive advanced solid tumors Serum levels of antibodies over time. (a) Anti-idiotype antibodies; (b) anti-Fc-IL2 antibodies; and (c) anti-IL2 antibodies.Back to article page