GFAP and Stroke: In the only prior published assessment of the device, assessing the use of the LFA in patients with suspected stroke, the LVOne GFAP LFA demonstrated a significant positive correlation (Rho = 0.86) between test results and plasma GFAP concentrations measured using a hospital-based PoC test platform (Abbott iSTAT Alinity, TBI plasma cartridge) (Gaude et al. 2025).