Pharmacokinetic Model

F Dose

GIT

ka

Systemic Circulation

(Vd)

k

  • Dose : The administered dose, mg

  • F : The drug bioavailability, no units

  • ka : The first order absorption rate constant, hour -1

  • Vd : The volume of distribution, liters

  • k = (CLT/Vd) : The first order elimination rate constant, hour -1