Following surgery, up to 70% of men who have had nerves spared on both sides of the prostate will regain erections with the use of one or more oral drugs for erectile dysfunction. Results are less favorable for men who have had a single nerve spared or no nerves spared.
Following radiation therapy, overall, 50% to 60% of men regain erections with medication. However, current data are rather limited, especially for patients treated with radioactive seed implants.
Men treated with hormone therapy do not respond well to any erectile dysfunction treatments, but data remains limited.