Dược Động Học :
▧ Volume of Distribution :
* 16 L/kg
▧ Metabolism :
Hepatic
▧ Route of Elimination :
The major route of metabolism is cytochrome CYP3A4 mediated N-demethylation to norpropoxyphene, which is excreted by the kidneys.
In 48 hours, approximately 20% to 25% of the administered dose of propoxyphene is excreted via the urine, most of which is free or conjugated norpropoxyphene.
▧ Half Life :
6-12 hours
▧ Clearance :
* 2.6 L/min