QEQ Treatment Responsiveness Evaluation Study
Impotence
About this trial
This is an interventional treatment trial for Impotence
Eligibility Criteria
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
Sites / Locations
- Pfizer Investigational Site
- Pfizer Investigational Site
- Pfizer Investigational Site
- Pfizer Investigational Site
- Pfizer Investigational Site
- Pfizer Investigational Site
- Pfizer Investigational Site
- Pfizer Investigational Site
- Pfizer Investigational Site