This is a brief summary of some of the many studies that have taken place across the globe since the introduction of the first PDE-5 inhibitors.
Sildenafil Citrate (Kamagra) is one such PDE-5 inhibitor.
| Study | Subjects | Noted results |
Boshier A et al
BJU Int 2004 93:796-801 |
22,473 UK males |
efficacy of 71%, no unexpected dangers noted and no increase in deaths through usage, i.e. about norm per capita |
Fagelman E et al.
Urology 2001 57:1141-1144 |
164 USA males |
improvement in 68%-81% (loose figure) |
Sanchez Ramos A et al.
Spinal Cord 2001 39:637-643. |
170 Spanish males |
88% had improved erections |
Sairam K et al.
BMC Urology 2002 2:4 |
147 UK males |
90% successful, 80% willing to continue |