NCT00151463

Brief Summary

The Quality of Erection Questionnaire (QEQ) is a new questionnaire that was developed to assess erectile attributes in men with erectile dysfunction. The study objective is to validate the Quality of Erection Questionnaire (QEQ) through the evaluation of subject responses to the QEQ regarding the quality and hardness of erections at baseline compared to subject responses post 6 and 10 weeks dosing with Viagra (sildenafil citrate).

Trial Health

80
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P50-P75 for phase_4

Geographic Reach
1 country

9 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2005

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

September 7, 2005

Completed
2 days until next milestone

First Posted

Study publicly available on registry

September 9, 2005

Completed
Last Updated

February 1, 2021

Status Verified

January 1, 2021

First QC Date

September 7, 2005

Last Update Submit

January 28, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Treatment response to the Quality of Erection Questionnaire (QEQ) after treatment with Viagra in men with erectile dysfunction

Secondary Outcomes (3)

  • Change from baseline to week 6 of the QEQ total score

  • Change from baseline to week 6 in the 5 IIEF domain scores

  • Change from baseline in scores of QEQ individual question

Interventions

Eligibility Criteria

Age18 Years+
Sexmale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subjects must have documented clinical diagnosis of erectile dysfunction based on a screening SHI-M score of \<21 and the subject fulfilling the NIH definition of erectile dysfunction
  • Subjects must be either PDE-5 inhibitor naive; i.e. have never used sildenafil, tadalafil or vardenafil, or have been previously treated with no more than six doses of a PDE-5 inhibitor (sildenafil, tadalafil, vardenafil) and must have taken their last dose no less than 4 weeks prior to the screening visit

You may not qualify if:

  • Subjects who are currently prescribed, taking and/or likely to be treated with nitrates or nitric oxide donors in any form on either a regular or intermittent basis

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (9)

Pfizer Investigational Site

Bondi Junction, New South Wales, Australia

Location

Pfizer Investigational Site

Darlinghurst, New South Wales, Australia

Location

Pfizer Investigational Site

St Leonards, New South Wales, Australia

Location

Pfizer Investigational Site

Spring Hill, Queensland, Australia

Location

Pfizer Investigational Site

Adelaide, South Australia, Australia

Location

Pfizer Investigational Site

Clayton, Victoria, Australia

Location

Pfizer Investigational Site

Malvern, Victoria, Australia

Location

Pfizer Investigational Site

Mentone, Victoria, Australia

Location

Pfizer Investigational Site

Nedlands, Western Australia, Australia

Location

Related Links

MeSH Terms

Conditions

Erectile Dysfunction

Interventions

Sildenafil Citrate

Condition Hierarchy (Ancestors)

Genital Diseases, MaleGenital DiseasesUrogenital DiseasesSexual Dysfunction, PhysiologicalMale Urogenital DiseasesSexual Dysfunctions, PsychologicalMental Disorders

Intervention Hierarchy (Ancestors)

SulfonamidesAmidesOrganic ChemicalsSulfonesSulfur CompoundsPiperazinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsPurinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 7, 2005

First Posted

September 9, 2005

Study Start

January 1, 2005

Last Updated

February 1, 2021

Record last verified: 2021-01

Locations