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Evidence summaries

Phosphodiesterase Inhibitors for Erectile Dysfunction in Patients with Diabetes Mellitus

Phosphodiesterase type 5 (PDE-5) inhibitors are effective for erectile dysfunction in patients with diabetes. Level of evidence: "A"

A Cochrane review [Abstract] 1 included 8 studies with a total of 1717 subjects. 80% of the participants had type 2 diabetes. Weighted mean difference (WMD) for the International Index of Erectile Function (IIEF) questions 3 and 4 (frequency of penetration during and maintaining erection to completion of intercourse) was 0.9 (95% CI 0.8 to 1.1) and 1.1 (95% CI 1.0 to 1.2) at the end of the study period, in favour of the intervention group. The RR for answering "yes" to a global efficacy question ( "did the treatment improve your erections?") was 3.8 (95% CI 3.1 to 4.5) in the PDE-5 inhibitors compared with the control arm. The WMD between the percentage of successful attempts in the PDE-5 inhibitors and in the control arm was 26.7 (95% CI 23.1 to 30.3). Headache was the most frequent adverse event reported.

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    References

    • Vardi M, Nini A. Phosphodiesterase inhibitors for erectile dysfunction in patients with diabetes mellitus. Cochrane Database Syst Rev 2007 Jan 24;(1):CD002187. [PubMed]

Primary/Secondary Keywords