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For all statistical results, P < 0.05 was considered statistically significant.

  • It is important to distinguish PE from other dysfunctions.
  • Rapid ejaculation with loss of erection may indicate ED.
  • A thorough medical and sexual history is critical.
  • Physical examination may rule out anatomical issues.
  • Laboratory tests are not routinely required.
  • Thyroid function tests may be done if symptoms suggest.
  • Neurological examination is rarely needed.
  • The condition is common, affecting 20-30% of men.
  • Despite being common, many men do not seek help.
  • Stigma remains a significant barrier to treatment.
  • Dapoxetine's approval helped legitimize PE as a treatable condition.
  • Public awareness campaigns aim to reduce stigma.

The Mantel-Haenszel χ2 test and I2 statistic for heterogeneity were conducted. I2 values of <50% were defined as acceptable; those >50% indicated high levels of heterogeneity. When there was a lack of heterogeneity, a fixed-effects models was used, otherwise random-effects model was applied for the meta-analysis. Sexual problems among women and men aged 40–80 y: prevalence and correlates identified in the global study of sexual attitudes and behaviors. The Premature Ejaculation Prevalence and Attitudes (PEPA) survey: prevalence, comorbidities and professional help-seeking.

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Included in the study were all published or unpublished RCTs evaluating dapoxetine interventions for PE. Studies comparing dapoxetine intervention versus placebo or another drug intervention were eligible for this review. All relevant studies were included in this study if they met the following criteria: (1) all patients were older than 18 years; (2) patients were diagnosed with PE; (3) patients were treated with oral dapoxetine on-demand (1–3 hours before sexual activity); (4) data were available for at least one of the predefined outcome measurements. Studies were excluded if (1) patients were diagnosed with mixed sexual dysfunction such as erectile dysfunction plus PE; (2) patients were treated with a fixed-dose orally daily; (3) the data referred to data from an animal study; or (4) studies reported data from non-RCTs or quasi-RCTs. The following variables from each study were recorded independently by two reviewers and cross-checked: first author name, publication year, research design type, total number of patients enrolled, patient age, intervention method, outcome measures.

Study selection

In addition, the following primary outcome was extracted: IELT, defined as the time from the start of vaginal insertion to the start of intravaginal ejaculation and measured using the stopwatch. The secondary outcomes were as follows: PGIC, also called the clinical global impression of change (CGIC or CGI) in some studies, defined as a validated tool used to measure overall perceived change in patients with better and much better results after treatment (i.e., “Compared to the start of the study, would you describe your PE problem as much worse, worse, slightly worse, no change, slightly better, better, or much better?27”) and AEs, defined as potential symptoms related to dapoxetine discontinuation syndrome such as nausea, diarrhea, insomnia, headache, dizziness, erectile dysfunction, fatigue. The methodological quality of the included studies was measured independently by two reviewers using the Cochrane Handbook for Systematic Reviews of Interventions28. The main evaluation items included: (1) random sequence generation (selection bias), (2) allocation concealment (selection bias), (3) blinding of participants (performance bias), (4) blinding of outcome assessment (detection bias), (5) incomplete outcome data (attrition bias), (6) selective reporting (reporting bias) and (7) other bias. These criteria for a judgment of low, high, or unclear risk of bias for each item were used to describe the bias. An update of the international society of sexual medicine's guidelines for the diagnosis and treatment of premature ejaculation (PE). An evidence-base definition of lifelong premature ejaculation: report of the internation society for sexual medicine ad hoc committee for the definition of premature ejaculation. Symonds, T., Roblin, D., Hart, K.

  • The drug's development involved many research participants.
  • Placebo-controlled trials established its efficacy.
  • The placebo effect in PE studies can be significant.
  • This highlights the psychological component of the condition.
  • Blinding in trials ensures unbiased results.
  • Long-term extension studies provide safety data.
  • Real-world evidence complements clinical trial data.
  • Patient-reported outcomes are increasingly valued.
  • The goal is evidence-based, patient-centered care.
  • New formulations or delivery methods are not currently available.
  • Research into other PE treatments continues.
  • Dapoxetine remains a cornerstone of medical treatment.

& Althof, S. How does premature ejaculation impact a man's life? Bailey, G.

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C. & Trost, L.

Author information

In the integrated analysis of the McMahon et al16 study, total AEs occurred in 35.1%, 47.0%, 60.3% subjects with placebo, dapoxetine 30 mg and dapoxetine 60 mg on-demand orally, respectively. In Figure 7, the total number of AEs occurred in 49.1% (2601/5293) and 20.7% (1040/5017) of subjects treated with dapoxetine and placebo, respectively. In Figure 8, the total number of AEs occurring with dapoxetine 60 mg or 30 mg were 58.2% (1421/2441) and 36.6% (907/2476), respectively. The most frequently reported AEs were nausea, dizziness, headache, diarrhea and insomnia22,23. Fortunately, the most common AEs with dapoxetine were mild or moderate in nature and were transient symptoms9,10,11,12,13,15,16,17,18,19,20,21,24,25.

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The present findings agree with the results of previous clinical trials that reported similar low incidence rates of side effects. Dapoxetine is a short-acting SSRI and doses of 30 mg and 60 mg have been evaluated through our meta-analysis. Peak plasma concentrations of dapoxetine were observed within 1.01–1.27 hours after oral administration24. The elimination half-life time is 1.3–1.4 hours and there appears to be very little accumulation24. Dapoxetine undergoes rapid absorption, elimination and dose-dependent pharmacokinetics, which are unaffected by multiple dosing.

Reporting side effects

The unique pharmacokinetic characteristics might be the reason why dapoxetine is the on-demand treatment of choice for PE. Safety and efficacy data have demonstrated that dapoxetine use produces acceptable improvement in the IELT and PGIC with on-demand use. Thus, we also believe it is probably better suited as an on-demand treatment option for PE26. Our systematic review and meta-analysis has many drawbacks, the primary one being that this was a heterogeneous trial. In an attempt to reduce the high heterogeneity, we carried out a subgroup analysis among studies involving the drug dosage used (30 mg versus 60 mg groups). W. Current diagnosis and management of premature ejaculation.

Parameter Value Details
Absorption Rapid Peak plasma at 1-2 hours
Bioavailability Approximately 64% Oral administration
Half-life 12-13 hours Duration of action
Metabolism Liver via CYP3A4 enzymes Hepatic pathways

Curr Sex Health Rep 6, 65–80 (2014).

4. How do I use PRILIGY?

A “Yes,” “No,” or “Unclear” assessment expressed as low risk of bias, high risk of bias, or uncertain risk of bias, respectively. Disagreements were discussed and resolved by using a third person-evaluation. These assessments were reported for each individual study in the “risk of bias in included studies” in Figure 2. All statistical analyses were conducted using Review Manager, version 5.1.0 (Cochrane Collaboration, Oxford, UK). Statistical analysis of dichotomous variables (PGIC and AEs) were performed using the RR as the summary analysis, while continuous variable (IELT) was analyzed using the MD; accompanying 95% sildenafil and dapoxetine CIs and P-values were reported. Guidelines on male sexual dysfunction: erectile dysfunction and premature ejaculation. Carson, C. & Gunn, K. Premature ejaculation: definition and prevalence. Efficacy and tolerability of dapoxetine in treatment of premature ejaculation: an integrated analysis of two double-blind, randomized controlled trials. Treatment benefit of dapoxetine for premature ejaculation: result from a placebo-controlled phase III trial.

Aspect Description Notes
Generic Name Dapoxetine Also known as Priligy
Dosage 30 mg per tablet Usually taken 1-3 hours before activity
Formulation Oral tablet Available in blister packs
Manufacturer Multiple pharmaceutical companies Not brand-specific

Perceived control over ejaculation is central to treatment benefit in men with premature ejaculation: results from phase III trials with dapoxetine.

Safety Assessments

The heterogeneity was significantly decreased when comparing dapoxetine with placebo in the IELT by subgroup analysis. However, this heterogeneity of data still exists in the PGIC and AEs analyses, which we were unable to improve. We believe this heterogeneity might have resulted in the evaluation of the PGIC value using a 7-point scale (from −3 = much worse to 3 = much better) and AEs that were assessed using a subjective evaluation by individual patients. Additional factors might have been potentially amplified heterogeneity; these include differences in treatment duration, individual differences and mental or physical conditions. Secondly, some of the included studies did not report the outcome measures; hence, the statistical results might be influenced by the statistical parameters used for calculations.

Neurocognitive safety

Additionally, nearly all trials included in this study lacked a clear description of the allocation concealment, but all trials included in this meta-analysis were RCTs, the methods were designed well. Thus, the data from the studies included in our meta-analysis were reliable. In summary, our meta-analysis has shown that either 30 mg or 60 mg dapoxetine on-demand orally was associated with a significantly greater increase in mean IELT and PGIC compared placebo. Additionally, 60 mg had a better efficacy than 30 mg dapoxetine on-demand orally. However, the meta-analysis also demonstrated that those treated with dapoxetine (especially 60 mg on-demand orally) reported more AEs than placebo or the dapoxetine 30 mg group.

Frequently Bought Together

Nonetheless, the most commonly reported AEs were mild and tolerated. We searched the following databases up to and including June 2014: MEDLINE by PubMed, EMBASE, Cochrane Central Register of Controlled Trials (Cochrane Library). We did not restrict our search to articles published in English and the following search terms were used in conjunction with: dapoxetine, SSRIs and premature ejaculation, sexual dysfunction. We also searched the relevant references of all studies included in the analysis. All retrieval literatures were independently performed by Cao D and HY. Dapoxetine for the Treatment of Premature Ejaculation: Results from a Randomized, Double-Blind, Placebo-Controlled Phase 3 trial in 22 Countries. Treatment of premature ejaculation in the Asia-Pacific region: results from a phase III double-blind, parallel-group study of dapoxetine. A prospective randomized study to compare pelvic floor rehabilitation and dapoxetine for treatment of lifelong premature ejaculation. Comparison of paroxetine and dapoxetine, a novel selective serotonin reuptake inhibitor in the treatment of premature ejaculation.

Contraindication Reason Notes
Concurrent MAOI use Risk of serotonin syndrome Must wait at least 14 days after MAOI stop
Liver impairment Slower drug metabolism Consult healthcare provider
Hypersensitivity Allergic reactions possible Discontinue if allergic response occurs

Efficacy and safety of dapoxetine for the treatment of premature ejaculation: integrated analysis of results from five phase 3 trials. & Dinsmore, W. W. Dapoxetine: an evidence-based review of its effectiveness in treatment of premature ejaculation. Efficacy and safety of dapoxetine in men with premature ejaculation and concomitant erectile dysfunction treated with a phosphodiesterase type 5 inhibitor: randomized, placebo-controlled, phase III study.