TABLE 2

Formation of O-demethyl apixaban sulfate in incubations of human liver S9 with SULT inhibitors

Human liver S9 were incubated with 20 or 100 μM O-demethyl apixaban in the presence of PAPS and SULT inhibitors at 37°C for 30 min. Details of the incubation and sample analyses are described under Materials and Methods.


Treatment Group

O-Demethyl Apixaban

Remaining Enzyme Activity
μM %
Control 20 100
100 100
Quercetin (1 μM) 20 0.12
100 0.54
Estrone (1 μM) 20 90.80
100 135.36
DCNP (0.5 μM) 20 5.08

100
8.37