Table 2.

Endothelial injury–related outcomes, engraftment, and GVHD outcomes

No abatacept (n = 14)Abatacept (n = 50)P value
Neutrophil engraftment, median (range), d 11 (9-15) 12 (9-14) .1 
Platelet engraftment (20 × 103), median (range), d 16 in 13 patients (12-81) 18 (13-43) .4 
Lowest myeloid chimerism anytime until last follow-up, % 100 100 1.0 
Acute GVHD all grades, n (%) 9 (64) 7 (14) .0004 
Acute visceral GVHD, n (%) 5 (35) 0 (0) .0003 
Grade 2-4 GVHD, n (%) 5 (35) 0 (0) .0003 
Grade 3-4 GVHD, n (%) 5 (35) 0 (0) .0003 
Chronic GVHD, n (%) 5 (35) 7 (14) .1 
Moderate-severe chronic GVHD, n (%) 4 (28) 5 (10) .09 
Any endothelial injury–related event, n (%) 9 (64) 8 (16) .0009 
TA-TMA all risk, n (%) 9 (64) 6 (12) .002 
TA-TMA moderate and high risk, n (%) 8 (57) 3 (6) <.001 
TA-TMA high risk, n (%) 3 (21) 2 (4) .06 
SOS, n (%) 2 (14) 2 (4) .2 
PRES, n (%) 1 (7) 1 (2) .3 
DAH, n (%) 0 (0) 0 (0) 1.0 
>1 endothelial injury event 3 (TMA and SOS [n = 2]; TMA and PRES [n = 1]) 1 (TMA and SOS) .03 
No abatacept (n = 14)Abatacept (n = 50)P value
Neutrophil engraftment, median (range), d 11 (9-15) 12 (9-14) .1 
Platelet engraftment (20 × 103), median (range), d 16 in 13 patients (12-81) 18 (13-43) .4 
Lowest myeloid chimerism anytime until last follow-up, % 100 100 1.0 
Acute GVHD all grades, n (%) 9 (64) 7 (14) .0004 
Acute visceral GVHD, n (%) 5 (35) 0 (0) .0003 
Grade 2-4 GVHD, n (%) 5 (35) 0 (0) .0003 
Grade 3-4 GVHD, n (%) 5 (35) 0 (0) .0003 
Chronic GVHD, n (%) 5 (35) 7 (14) .1 
Moderate-severe chronic GVHD, n (%) 4 (28) 5 (10) .09 
Any endothelial injury–related event, n (%) 9 (64) 8 (16) .0009 
TA-TMA all risk, n (%) 9 (64) 6 (12) .002 
TA-TMA moderate and high risk, n (%) 8 (57) 3 (6) <.001 
TA-TMA high risk, n (%) 3 (21) 2 (4) .06 
SOS, n (%) 2 (14) 2 (4) .2 
PRES, n (%) 1 (7) 1 (2) .3 
DAH, n (%) 0 (0) 0 (0) 1.0 
>1 endothelial injury event 3 (TMA and SOS [n = 2]; TMA and PRES [n = 1]) 1 (TMA and SOS) .03 

or Create an Account

Close Modal
Close Modal