Dược Động Học :
▧ Absorption :
Rapid. Absolute bioavailability is greater than 90%, indicating that pramipexole is well absorbed and undergoes little presystemic metabolism. Food does not affect the extent of absorption.
▧ Volume of Distribution :
* 500 L
▧ Protein binding :
About 15% bound to plasma proteins.
▧ Metabolism :
No metabolites have been identified in plasma or urine.
▧ Route of Elimination :
Urinary excretion is the major route of pramipexole elimination, with 90% of a pramipexole dose recovered in urine, almost all as unchanged drug. Nonrenal routes may contribute to a small extent to pramipexole elimination, although no metabolites have been identified in plasma or urine.
▧ Half Life :
8 hours
▧ Clearance :
* renal cl=400 mL/min