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A double blind, randomized, placebo controlled, two part, two session balanced, crossover study to evaluate visual changes in healthy male subjects aged 18 - 55 years after receiving: 1. at least 15 doses of 20 mg vardenafil, compared to placebo and 2. two doses of sildenafil, 200 mg compared to placebo.

Trial Profile

A double blind, randomized, placebo controlled, two part, two session balanced, crossover study to evaluate visual changes in healthy male subjects aged 18 - 55 years after receiving: 1. at least 15 doses of 20 mg vardenafil, compared to placebo and 2. two doses of sildenafil, 200 mg compared to placebo.

Status: Completed
Phase of Trial: Phase IV

Latest Information Update: 05 Sep 2023

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At a glance

  • Drugs Vardenafil (Primary) ; Sildenafil
  • Indications Erectile dysfunction
  • Focus Pharmacodynamics
  • Sponsors Bayer
  • Most Recent Events

    • 09 Mar 2009 Actual patient number (63) added as reported by ClinicalTrials.gov.
    • 09 Mar 2009 Actual end date (Oct 2006) added as reported by ClinicalTrials.gov.
    • 09 Mar 2009 Bayer HealthCare added as trial affiliate as reported by ClinicalTrials.gov.
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