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A Randomized Double Blind, Placebo Controlled Balanced 4-Way Crossover Study To Assess The Efficacy Of Single Oral Doses

Phase 2
Completed
Conditions
Impotence
Registration Number
NCT00273416
Lead Sponsor
Pfizer
Brief Summary

The primary aim of this study is to assess how effective PF-00592379 is in restoring penile erections in patients with erectile dysfunction. Patients will attend for 4 treatment visits where they will receive the following in random order; 2 separate doses of PF-00592379, sildenafil 100mg used as a positive control, or placebo (dummy medication). The effect on penile erections will be assessed in the clinic using penile plethysmography (RigiScan PlusTM technique).

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Male
Target Recruitment
32
Inclusion Criteria
  • Erectile dysfunction, previous good response to an oral treatment for erectile dysfunction.
Exclusion Criteria
  • Patients with high blood pressure or certain heart conditions (e.g. angina, heart failure), regardless of whether treated or not.
  • Patients on nitrates or alpha-blocker medications.

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Primary Outcome Measures
NameTimeMethod
Duration of penile erections of greater than or equal to 60% rigidity as assessed by penile plethysmography (RigiScan PlusTM).
Secondary Outcome Measures
NameTimeMethod
Duration and quality of penile erections recorded in a self-assessment diary.

Trial Locations

Locations (1)

Pfizer Investigational Site

🇬🇧

Belfast, Northern Ireland, United Kingdom

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