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QEQ Treatment Responsiveness Evaluation Study

An Open-Label, Non-Comparative Study To Evaluate Treatment Responsiveness To The Quality Of Erection Questionnaire (QEQ) In Men With Erectile Dysfunction Treated With Viagra (Sildenafil Citrate)

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00151463
Enrollment
100
Registered
2005-09-09
Start date
2005-01-31
Completion date
Unknown
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 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).

Interventions

DRUGsildenafil citrate

Sponsors

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

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

* 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

Exclusion criteria

* 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

Design outcomes

Primary

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

Secondary

MeasureTime frame
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

Countries

Australia

Outcome results

None listed

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