ICANS grade and measures of endothelial activation, cytokine levels, and qPCR for ΔNGFR relative to cell infusion, anticytokine therapy, and rimiducid administration. (A) Fibrinogen and D-dimer. (B) Cytokine levels and ΔNGFR qPCR. (C) Rimiducid pharmacokinetics and CAR T-cell kinetics by qPCR for ΔNGFR.