FACS analysis of 4 subpopulations of CD25⁺ peripheral mononuclear blood cells in 15 patients treated with RFT5-SMPT-dgA. The median fluorescence before start of treatment was defined as relative value 1. Changes under therapy were calculated as compared with the value before IT therapy. CD25/CD3⁺ (○), CD25/CD4⁺ (▪), CD25/CD8⁺ (□), and CD25/CD19⁺ PBLs (•).