Table 4.

Time to resolve TA-TMA biomarkers after start of eculizumab therapy

TA-TMA biomarkerNumber of days to resolve in responding patients, median (IQR)
All participantsWithout bleedingWith bleeding 
LDH returned to normal for age 70 (33 -110) 31 (7-44) 154 (125-171) 
Schistocytes absent for >14 d 68 (40 -108) 46 (38-114) 76 (58-83) 
No RBC transfusions for >14 d 45 (19 - 76) 40 (12-62) 41 (20-80) 
No platelet transfusions for >14 d 60 (30 - 89) 40 (28-64) 78 (60-92) 
Severe hypertension resolution 69 (45 -117) 79 (54-143) 36 (26-69) 
rUPCRof <1 mg/mg 81 (45 -120) 48 (14-81) 110 (96-125) 
sC5b-9 of <244 ng/mL 5 (3 - 30) 5 (2-29) 8 (3-35) 
All TA-TMA biomarkers (in days) 156 (90-167) 105 (81-162) 158 (154-169) 
All TA-TMA biomarkers (in weeks) 22 (13-24) 15 ( 12-23) 23 (22-24) 
TA-TMA biomarkerNumber of days to resolve in responding patients, median (IQR)
All participantsWithout bleedingWith bleeding 
LDH returned to normal for age 70 (33 -110) 31 (7-44) 154 (125-171) 
Schistocytes absent for >14 d 68 (40 -108) 46 (38-114) 76 (58-83) 
No RBC transfusions for >14 d 45 (19 - 76) 40 (12-62) 41 (20-80) 
No platelet transfusions for >14 d 60 (30 - 89) 40 (28-64) 78 (60-92) 
Severe hypertension resolution 69 (45 -117) 79 (54-143) 36 (26-69) 
rUPCRof <1 mg/mg 81 (45 -120) 48 (14-81) 110 (96-125) 
sC5b-9 of <244 ng/mL 5 (3 - 30) 5 (2-29) 8 (3-35) 
All TA-TMA biomarkers (in days) 156 (90-167) 105 (81-162) 158 (154-169) 
All TA-TMA biomarkers (in weeks) 22 (13-24) 15 ( 12-23) 23 (22-24) 

Patients with clinically significant GI bleeding.