TABLE 3 

Comparison of metabolic lability in pooled human liver microsomes between drugs and their fluorinated analogs

CompoundCLint 
(μl/min per milligram of protein)Stability Factor
Parent DrugFluorinated Analog
Midazolam691 (38)507 (23)1.4
Ramelteon63 (18)95 (10)0.66
Celecoxib23 (5)34 (4)0.67
Risperidone40 (1)27 (5)1.5
  • Values in parentheses are standard errors.