Effect of DGKKO on VITT thrombosis in a microfluidic system. Studies were performed as described in Figure 2 but in the presence of IgG isolated from 3 patients with VITT, in duplicates. (A) Representative studies from 1 patient with VITT (patient VITT1). (B) Cumulative data of studies with IgGs isolated from patients with VITT (VITT1-VITT3).