The plasma luteinizing hormone (LH), follicle stimulating hormone (FSH), prolactin, testosterone and human growth hormone (HGH) response to insulin-induced hypoglycemia in patients with benign prostatic hypertrophy and age-matched control patients were not different. Although all 6 drugs used were effective for treating these benign prostatic hypertrophy patients the 3 drugs, chlormadinone acetate, oxendrone and allylestrenol, were especially recommended.