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Mean changes in CD4+ counts from baseline. Shown are mean CD4+ T-cell count changes from baseline in study arms A (10 mg/kg) (filled squares), B (10 mg/kg plus 6 mg/kg) (open triangles), and C (25 mg/kg) (filled diamonds). The data were derived from weekly CD4+ T-cell counts obtained for all patients in the study. The last administration of ibalizumab (arrowheads) occurred at week 8 (arm C) or 9 (arms A and B).
