TABLE 5 

Kpuu of ethyl ester prodrug (PF-06757303) and its corresponding active diacid (PF-06649298) in human hepatocytes

Incubation Time (min)Kpuu of Active Diacid 
(PF-06649298) 
When Incubated DiacidKpuu of Prodrug 
(PF-06757303) 
When Incubated ProdrugKpuu of Active Diacid 
(PF-06649298) 
When Incubated Prodrug
151.1 ± 0.20.07 ± 0.0171 ± 21
401.5 ± 0.10.07 ± 0.0171 ± 6
1203.0 ± 0.20.07 ± 0.00159 ± 2
  • Kpuu was measured at hepatocyte cell density of 0.5 million cells/ml and 1 μM test compound concentration.