~10 spots leftby Apr 2026

Assessment Of Sildenafil On Erectile Function And Intercourse Satisfaction And To Validate A New Subject Questionnaire

Recruiting in Palo Alto (17 mi)
+19 other locations
Age: 18+
Sex: Male
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 4
Waitlist Available
Sponsor: Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
No Placebo Group
Prior Safety Data
Approved in 5 Jurisdictions

Trial Summary

What is the purpose of this trial?

To evaluate the effectiveness of sildenafil on erectile function and intercourse satisfaction in men with ED as well as to validate the new Sexual Experience Questionnaire which incorporates functional and emotional elements of a man's sexual experience into one comprehensive questionnaire.

Eligibility Criteria

Inclusion Criteria

Documented clinical diagnosis of erectile dysfunction, defined by a score of less than or equal to 25 on the Erectile Dysfunction domain of the International Index of Erectile Function

Treatment Details

Interventions

  • Sildenafil (Phosphodiesterase type 5 (PDE5) inhibitor)

Sildenafil is already approved in United States, European Union, United States, Canada, Japan for the following indications:

πŸ‡ΊπŸ‡Έ Approved in United States as Viagra for:
  • Erectile dysfunction
  • Pulmonary arterial hypertension
πŸ‡ͺπŸ‡Ί Approved in European Union as Viagra for:
  • Erectile dysfunction
  • Pulmonary arterial hypertension
πŸ‡ΊπŸ‡Έ Approved in United States as Revatio for:
  • Pulmonary arterial hypertension
πŸ‡¨πŸ‡¦ Approved in Canada as Sildenafil for:
  • Erectile dysfunction
  • Pulmonary arterial hypertension
πŸ‡―πŸ‡΅ Approved in Japan as Sildenafil for:
  • Erectile dysfunction
  • Pulmonary arterial hypertension

Find a Clinic Near You

Research Locations NearbySelect from list below to view details:
Pfizer Investigational SiteCincinnati, OH
Pfizer Investigational SiteHouston, TX
Pfizer Investigational SitePoughkeepsie, NY
Pfizer Investigational SiteFargo, ND
More Trial Locations
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Who Is Running the Clinical Trial?

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

References