Table 1. Trend of Lab Values in our patient throughout his hospital course. The numbers in the top row correspond to the day of the hospital admission.

Hospital Course	1	2 (initiation of plasma exchange and prednisone)	3 (initiation of caplacizumab –yhdp)	4	5	6	7 (plasma exchange stopped)	8	9
Creatinine (mg/dL)	1.51	1.14	1.09	0.85	0.82	0.79	0.83	0.85	077
Hemoglobin (g/dL)	13.7	11.6	11.1	10.7	11.1	11.4	11.3	11.7	12.5
Platelets (k/mcl)	9	9	4	28	91	185	251	294	374
Lactate Dehydrogenase (U/L)	1068	1061	641	266	227	216	221	208	210
Haptoglobin mg/dL	<10	-	-	-	-	79	95	105	129
Total Bilirubin (mg/dL)	2.8	2.3	2.4	0.9	0.5	0.5	0.4	0.5	0.6
ADAMTS13 Activity (%)	3	-	-	-	-	-	-	-	54
ADAMTS13 Inhibitor (BU)	0.6	-	-	-	-	-	-	-	0.0