Efficacy and safety of local anaesthetics for premature ejaculation: a systematic review and meta-analysis
Abstract
To assess the efficacy and safety of local anaesthetics for premature ejaculation (PE), a systematic review of the literature was performed using the Cochrane Library, PUBMED and EMBASE. We screened and retrieved the randomized controlled trials on the treatment of PE with local anaesthetics. End points included intravaginal ejaculation latency time (IELT), patient-reported outcome assessments and adverse events. Meta-analyses were conducted with Stata 11.0. In total, seven publications involving 566 patients with local anaesthetics and 388 with placebos strictly met our eligibility criteria. Meta-analyses showed that after the patients were treated with the local anaesthetics, the value of the standardized mean difference of the changes in IELT was 5.02 (95% CI: 3.03-7.00). A higher rate of adverse events occurred compared with placebos (odds ratio: 3.30, 95% CI: 1.71-6.36), but these events were restricted to local side effects. In addition, significantly greater improvement was observed in patient-reported outcomes. In summary, local anaesthetics can prolong IELT and improve ejaculatory control and sexual satisfaction.
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 566 participants or records.
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