Flutamide belongs to the class of anti-androgen (anti-testosterone) drugs. Testosterone is a naturally occurring hormone in men, it has many different effects, but it also helps prostate cancer cells grow and metastasize. Flutamide is used to treat prostate cancer. Flutamide works by blocking the effects of testosterone, thereby slowing the growth and spread of prostate cancer cells.

Yonsa drug belongs to the group of anti-androgen drugs, which are effective in the treatment of prostate cancer. Yonsa works by blocking the production of testosterone, which helps slow the growth and spread of tumors in prostate cancer.