Blocks the cytosol transport of testosterone to the nucleus, producing cellular androgen deprivation.


Main side effects breast pain and gynecomastia that occurs in approximately 2 out of 3 patients.

Raises serum testosterone by 70% and serum estradiol levels by 85%.

Pure antiandrogen that acts by blocking the binding of dihydrotestosterone to the androgen receptor.

Thought to have a better safety and biochemical profile than flutamide.

Drug withdrawal can lead to a response in patients with prostate cancer.

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