Fig. 1. Graphic sumary of our two patients treated with daratumumab for PRCA.

a, b. Reticulocyte count shown graphically post-transplant in our two case reports with times of day 0 and treatment with daratumumab shown with arrows. The anti-donor isohemagglutinin titers in each patient post-transplant are shown below each figure (only a few representative titers are shown for the sake of simplicity). a Corresponds to case #1 and b to case #2.