Study Group | Drug | PDE Inhibition |
---|---|---|
A | Saline | - |
B | Saline | - |
C | Cilostazol | 3 |
D | RO 20-1724 | 4 |
E | Sildenafil | 5 |
F | Cilostazol + RO 20-1724 | 3 + 4 |
G | Cilostazol + Sildenafil | 3 + 5 |
H | RO 20-1724 + Sildenafil | 4 + 5 |
I | Cilostazol + RO 20-1724 + Sildenafil | 3 + 4 + 5 |
J | Dexamethasone | - |