NCT00644956

A Randomized, Open-Label, Crossover, Multicenter, Single Dose Comparator Study Evaluating Onset Of Penile Rigidity In Men With Erectile Dysfunction Who Are Treated With Sildenafil And Tadalafil

A Randomized, Open-Label, Crossover, Multicenter, Single Dose Comparator Study Evaluating Onset Of Penile Rigidity In Men With Erectile Dysfunction Who Are Treated With Viagra (Sildenafil Citrate) And Cialis (Tadalafil)

• Status: Completed
• Phase: Phase 4
• Study type: Interventional
• Enrollment: 56 (actual)
• Sponsor: Pfizer's Upjohn has merged with Mylan to form Viatris Inc. · Industry
• Sex: Male
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

The objective of this study was to determine and compare the minimum time required to achieve penile rigidity greater than or equal to 60% at the base of the penis that is sustained for at least 3 minutes measured by Rigiscan®, following visual sexual stimulation post dose of 100 mg sildenafil citrate and 20 mg tadalafil in men with erectile dysfunction (ED).

Conditions

• Erectile Dysfunction

Interventions

Type	Name	Description
DRUG	tadalafil	tadalafil 20 mg tablet by mouth for 2 doses (at Week 0 and Week 1)
DRUG	sildenafil	sildenafil 100 mg tablet by mouth for 2 doses (at Week 0 and Week 1)

Timeline

• Start date: 2003-06-01
• Completion: 2003-11-01
• First posted: 2008-03-27
• Last updated: 2021-02-01

Locations

2 sites across 2 countries: Norway, United Kingdom