Table 1.

Ex vivo thrombin generation parameters for mice treated with platelet inhibitors

ParameterLag time (min)Time to peak (min)Velocity index (nM/min)Peak (nM)ETP (nM/min)
Control (untreated littermates, n = 7) 4.4 ± 1.2 9.5 ± 3.2 12.8 ± 9.4 48.6 ± 26.6 541.3 ± 187.5 
Platelet-poor plasma (n = 5) 4.3 ± 1.6 13.3 ± 2.8 1.5 ± 1.1* 12.1 ± 5.3* 264.6 ± 95.0* 
Vehicle (water) (n = 3) 4.8 ± 0.6 9.1 ± 1.2 14.0 ± 10.5 52.5 ± 27.9 569.1 ± 123.8 
High DAPT (n = 3) 5.3 ± 0.6 10.4 ± 2.0 8.0 ± 2.8 38.3 ± 6.8 390.9 ± 84.5 
Vehicle (dimethyl sulfoxide) (n = 6) 5.2 ± 1.1 10.4 ± 3.0 10.9 ± 5.8 46.6 ± 15.2 708.4 ± 158.1 
Ibrutinib (n = 7) 6.1 ± 1.7 12.3 ± 3.7 8.1 ± 5.2 39.5 ± 11.3 667.4 ± 189.9 
ParameterLag time (min)Time to peak (min)Velocity index (nM/min)Peak (nM)ETP (nM/min)
Control (untreated littermates, n = 7) 4.4 ± 1.2 9.5 ± 3.2 12.8 ± 9.4 48.6 ± 26.6 541.3 ± 187.5 
Platelet-poor plasma (n = 5) 4.3 ± 1.6 13.3 ± 2.8 1.5 ± 1.1* 12.1 ± 5.3* 264.6 ± 95.0* 
Vehicle (water) (n = 3) 4.8 ± 0.6 9.1 ± 1.2 14.0 ± 10.5 52.5 ± 27.9 569.1 ± 123.8 
High DAPT (n = 3) 5.3 ± 0.6 10.4 ± 2.0 8.0 ± 2.8 38.3 ± 6.8 390.9 ± 84.5 
Vehicle (dimethyl sulfoxide) (n = 6) 5.2 ± 1.1 10.4 ± 3.0 10.9 ± 5.8 46.6 ± 15.2 708.4 ± 158.1 
Ibrutinib (n = 7) 6.1 ± 1.7 12.3 ± 3.7 8.1 ± 5.2 39.5 ± 11.3 667.4 ± 189.9 

Values indicate mean ± standard deviation; comparisons are by unpaired t test within each group. ETP, endogenous thrombin potential.

*

P < .05 compared with appropriately matched control, indicated by groups in the table.

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