
N-[4-cyano-3-(trifluoromethyl)phenyl]-3-(4-fluorophenyl) sulfonyl-2-hydroxy-2-methyl-propanamide
2. 本品是一種消旋性異構物,其抗雄性素的作用幾乎完全來自(R)型的異構物
Absorption
Well absorbed. T max is 31.3 h (active isomer). C max is 0.77 mcg/mL (active isomer).
Distribution
96% protein bound.
Metabolism
Undergoes stereospecific metabolism. The S-isomer (inactive) is metabolized by glucuronidation. The R-isomer (active) undergoes glucuronidation but is predominantly oxidized to an inactive metabolite.
Elimination
Eliminated in urine and feces; t ½ is 5.8 days (active isomer).
Special Populations
Hepatic Function Impairment
The t ½ of the R-isomer is increased about 76% in patients with severe liver disease. No dosage adjustment is necessary.
Warfarin
Prothrombin time may increase when bicalutamide is initiated in patients stabilized on chronic warfarin therapy.
2. 本品禁用於對該藥過敏的任何病人。
2. 本品禁用於女性,而且絕不可用於孕婦或授乳婦。
限用於與LHRH類似劑療法或手術去勢療法併用於進展性攝護腺癌。



