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Dapoxetine

Phase 3

Erectile Dysfunction | Small molecule | Other |Johnson & Johnson|Last Updated: Jan 24, 2013

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials3
Total Enrollment2,678
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01063855Concomitant Use of PriLigy in Men Treated for Erectile DysfunctionPHASE3 COMPLETED 495Apr 1, 2010Sep 1, 2011Jan 24, 201369 United States, Argentina +11
NCT00210704A Study of the Effectiveness and Safety of Dapoxetine in the Treatment of Men With Premature EjaculationPHASE3 COMPLETED 1,067Mar 1, 2005Jun 1, 2006Jun 8, 2011 -
NCT00229073A Study of the Effectiveness and Safety of Dapoxetine in the Treatment of Men With Premature EjaculationPHASE3 COMPLETED 1,116Dec 1, 2004Oct 1, 2006Jun 8, 2011 -
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Study Endpoints
Primary Endpoints
The Average Intravaginal Ejaculatory Latency Time (IELT) at Week 12
Baseline, Week 12

The intravaginal ejaculatory latency time (IELT) is the time it takes for a man to ejaculate during sexual intercourse (as measured by stopwatch). The data below show the average IELT measured in minutes at Baseline (before treatment) to Endpoint (after 12 weeks of treatment). In this study, patients took placebo or dapoxetine along with a stable dose of a phosphodiesterase-5 inhibitor (PDE5I) prescribed prior to study entry for the treatment of erectile dysfunction.

Average Intravaginal ejaculatory latency time (IELT), as measured by stopwatch, during sexual intercourse at the end of the treatment period (Week 12)
Average Intravaginal ejaculatory latency time (IELT), as measured by stopwatch, during sexual intercourse, at the end of the treatment period (week 24)
Secondary Endpoints
The Percentage of Patients Reporting At Least a 2-category Increase in Control Over Ejaculation
At the end of treatment (Week 12)
The Percentage of Patients Who Achieved 1-category or Greater Decrease (Improvement) in Personal Distress Related to Ejaculation
At Endpoint (After 12 weeks of treatment)
The Percentage of Patients Reporting a Composite Score of At Least a 2-category Increase in Control Over Ejaculation and At Least a 1-category Decrease in Personal Distress
At the end of treatment (Week 12)
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Dapoxetine + PDE5IEXPERIMENTALDapoxetine 30 mg to 60 mg tablets 1 to 3 hours before sexual activity prn (as needed) not to be taken more than once every 24 hours for 12 weeks + a PDE5I (phosphodiesterase-5 inhibitor) prescribed prior to study entry for the treatment of erectile dysfunction.
Placebo + PDE5IPLACEBO_COMPARATORPlacebo tablets identical in appearance to dapoxetine taken 1 to 3 hours before sexual activity prn (as needed) not to be taken more than once every 24 hours for 12 weeks + a PDE5I (phosphodiesterase-5 inhibitor) prescribed prior to study entry for the treatment of erectile dysfunction.
Interventions
NameTypeDescription
PlaceboDRUGTablets identical in appearance to dapoxetine taken 1 to 3 hours before sexual activity prn (as needed) not to be taken more than once every 24 hours for 12 weeks.
DapoxetineDRUG30 mg to 60 mg tablets 1 to 3 hours before sexual activity prn (as needed) not to be taken more than once every 24 hours for 12 weeks.
PDE5I (phosphodiesterase-5 inhibitor)DRUGPatients were to be using a stable regimen of a PDE5-I (i.e., sildenafil, vardenafil, or tadalafil), as reported by the patient for the treatment of erectile dysfunction (ED) for at least 3 months before screening and up to 12 weeks during treatment in the study.
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Eligibility Criteria
Age Range18 Years — N/A
SexMALE
Healthy VolunteersNo
Study Sites69

Inclusion Criteria: * Clinical diagnosis of erectile dysfunction (ED), International Index of Erectile Function (IIEF) score \>=21 at screening and baseline, and receiving treatment with a stable regimen of a phosphodiesterase 5 (PDE 5) inhibitor (ie, sildenafil, vardenafil, or tadalafil) for the t...

Countries:United StatesArgentinaAustraliaBelgiumCanadaFranceMalaysiaMexicoPolandRussiaSouth KoreaTaiwanUnited Kingdom
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