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Dapoxetine

Phase 3

Erectile Dysfunction | Small molecule | Endocrine |Johnson & Johnson|Trials Updated: Nov 19, 2024

Dapoxetine development status

Highest phase Phase 3
Registered trials 5 across 2 sponsors since Sep 2005

Dapoxetine target and mechanism

Molecular targetSLC6A4
Target classInhibitor
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials5
Total Enrollment3,162

FDA Designations

No designations recorded

Dapoxetine clinical trials

Dapoxetine · 5 trials · 4 indications

Phase 3 5
NCT01063881The Asia-Pacific Flexible Dose Study of Dapoxetine and Patient Satisfaction in Premature Ejaculation TherapySexual Dysfunction, Physiological
COMPLETED285 Analytics
NCT01063855Concomitant Use of PriLigy in Men Treated for Erectile DysfunctionErectile Dysfunction
COMPLETED495 Analytics
NCT00210704A Study of the Effectiveness and Safety of Dapoxetine in the Treatment of Men With Premature EjaculationErectile Dysfunction
COMPLETED1,067 Analytics
NCT00229073A Study of the Effectiveness and Safety of Dapoxetine in the Treatment of Men With Premature EjaculationErectile Dysfunction
COMPLETED1,116 Analytics
NCT00210613A Study of Withdrawal Effects With Dapoxetine in the Treatment of Premature EjaculationSexual Dysfunction
COMPLETED199 Analytics
PHASE3COMPLETED
The Asia-Pacific Flexible Dose Study of Dapoxetine and Patient Satisfaction in Premature Ejaculation Therapy
Sexual Dysfunction, PhysiologicalUnlock trial analytics
PHASE3COMPLETED
Concomitant Use of PriLigy in Men Treated for Erectile Dysfunction
Erectile DysfunctionUnlock trial analytics
PHASE3COMPLETED
A Study of the Effectiveness and Safety of Dapoxetine in the Treatment of Men With Premature Ejaculation
Erectile DysfunctionUnlock trial analytics
PHASE3COMPLETED
A Study of the Effectiveness and Safety of Dapoxetine in the Treatment of Men With Premature Ejaculation
Erectile DysfunctionUnlock trial analytics
PHASE3COMPLETED
A Study of Withdrawal Effects With Dapoxetine in the Treatment of Premature Ejaculation
Sexual DysfunctionUnlock trial analytics

Study Endpoints

Primary Endpoints

The Number of Patients Who Described Their Premature Ejaculation (PE) as At Least "Slightly Better" in Response to Dapoxetine Treatment
Week 12

The "Clinical Global Impression of Change" (CGIC), a patient-reported scale was used to assess the patient's improvement with premature ejaculation (PE) since initiating treatment with dapoxetine. Patients were asked: "Compared to the start of the study, would you describe your premature ejaculation (PE) problem as: Much worse, Worse, Slightly worse, No change, Slightly better, Better, or Much better?" The number of patients who described improvement with their PE of at least "slightly better" after 12 weeks of treatment with dapoxetine are provided in the table below.

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)
Incidence of withdrawal symptoms (defined by a checklist of signs and symptoms associated with stopping the therapy) at Weeks 9, 10, and 11 of treatment

Secondary Endpoints

The Patient's Level of Control Over Ejaculation
Baseline and Week 12
The Patient's Level of Satisfaction With Intercourse
Baseline and Week 12
The Patient's Level of Personal Distress Related to the Speed of Ejaculation
Baseline and Week 12
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
DapoxetineEXPERIMENTALStarting dose is one 30-mg tablet taken approximately 1-3 hours prior to sexual activity may be increased after 4 weeks to 60mg taken for 12 weeks. The maximum recommended dosing frequency is once every 24 hours.
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
DapoxetineDRUGStarting dose is one 30-mg tablet taken approximately 1-3 hours prior to sexual activity, may be increased after 4 weeks to 60mg, taken for 12 weeks. The maximum recommended dosing frequency is once every 24 hours.
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.
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 to 99 Years
SexMALE
Healthy VolunteersNo
Study Sites13

Inclusion Criteria: * Participants must be heterosexual males and in a stable monogamous, sexual relationship with a female partner for at least 6 months * must score =11 in the Premature Ejaculation Diagnostic Tool (PEDT) * Must have a self-estimated intravaginal ejaculatory latency time (IELT) of...

Countries:AustraliaSouth KoreaThailandUnited StatesArgentinaBelgiumCanadaFranceMalaysiaMexicoPolandRussiaTaiwanUnited Kingdom
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Frequently asked questions about Dapoxetine

What is Dapoxetine?

Dapoxetine is a small molecule drug developed by Johnson & Johnson (ticker JNJ) for sexual dysfunction, including erectile dysfunction and physiological sexual dysfunction. It is an inhibitor of the serotonin transporter SLC6A4. Dapoxetine is in Phase 3 clinical development and is not approved by the FDA.

What does Dapoxetine target?

Dapoxetine targets SLC6A4, also known as the serotonin transporter. As an inhibitor of SLC6A4, it blocks the reuptake of serotonin, which is thought to modulate ejaculatory function. This mechanism underlies its investigation for sexual dysfunction indications.

Who makes Dapoxetine?

Dapoxetine is developed by Johnson & Johnson, which trades under the ticker symbol JNJ. Johnson & Johnson is the sponsor of the clinical trials evaluating Dapoxetine for sexual dysfunction indications.

What phase is Dapoxetine in?

Dapoxetine is in Phase 3 clinical development. It is an investigational drug and has not been approved by the FDA for any indication. The Phase 3 program includes completed trials in men with sexual dysfunction.

What clinical trials is Dapoxetine in?

Dapoxetine has been studied in completed Phase 3 trials including NCT01063881, NCT01063855, NCT00229073, and NCT00210704. These trials enrolled men aged 18 years and older with conditions such as erectile dysfunction and physiological sexual dysfunction. All trials are completed and no active trials are ongoing.