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Study to Evaluate Viagra's Ability to Provide a Better Sexual Experience Through Quality Erections and Satisfaction

A Multicenter, Double-Blind Placebo Controlled, Fixed Dose Study With An Open-Label, Flexible Dose Phase To Assess The Efficacy Of Sildenafil Citrate In Providing A Better Sexual Experience Including Quality Of Erections And Satisfaction In Men With Erectile Dysfunction

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00245258
Enrollment
312
Registered
2005-10-27
Start date
2005-11-30
Completion date
2006-09-30
Last updated
2021-02-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Impotence

Brief summary

The study objective is to: 1. To evaluate the effect of sildenafil citrate versus placebo on the IIEF\_EF Domain at the end of the double-blind phase 2. To assess the relationship between treatment with sildenafil citrate or placebo and responses to the Quality of Erection Questionnaire (QEQ) and Sexual Experience Questionnaire (SEX\_Q).

Interventions

DRUGSildenafil Citrate

Sponsors

Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

Sex/Gender
MALE
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Male subjects aged 18-65. * Documented clinical diagnosis of erectile dysfunction confirmed by an IIEF-EF Domain score of less than or equal to 25. (If the subject scores greater than 25 on the IIEF-EF Domain, screening procedures should be terminated.)

Exclusion criteria

* Subjects who have been treated with more than 6 doses of sildenafil citrate or any other phosphodiesterase type 5 (PDE-5) inhibitor such as vardenafil or tadalafil for erectile dysfunction \[Note: subjects should not have taken any PDE-5 inhibitors within 4 weeks prior to the date of screening\].

Design outcomes

Primary

MeasureTime frame
The primary endpoint is the change from baseline to Visit 4 (Week 8) in the IIEF Erectile Function (EF) domain score.

Secondary

MeasureTime frame
The change from baseline to visit 6 (wk 12) in the IIEF-EF domain; the change from baseline to visit 4 (wk 8) and visit 6 (wk 12) in the domains and total score as well as the individual questions of the sexual experience questionnaire

Countries

Russia, South Korea, Spain, Sweden

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026