Inclusion criteria | Exclusion criteria |
18 years of age or older | Uncontrolled diabetes mellitus |
Erectile dysfunction treatment-naive | Dyslipidemia |
Serum testosterone levels between 280 and 350 ng/dl | Peyronie’s disease |
IIEF-5 between 12 and 21 | Previous pelvic surgery |
Normal levels of LH, FSH, E2 and PRL | Depression |
| Hormonal disorders |