# Evaluating the Efficacy of Vardenafil in Subjects With Erectile Dysfunction (ED) Administered 12, 18 or 24 Hours Prior to Intercourse

> **NCT00667979** · PHASE4 · COMPLETED · sponsor: **Bayer** · enrollment: 264 (actual)

## Conditions studied

- Erectile Dysfunction

## Interventions

- **DRUG:** Levitra (Vardenafil, BAY38-9456)
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00667979
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-09
- **Primary completion:** —
- **Final completion:** 2004-12
- **Target enrollment:** 264 (ACTUAL)
- **Last updated:** 2009-06-30

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00667979

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00667979, "Evaluating the Efficacy of Vardenafil in Subjects With Erectile Dysfunction (ED) Administered 12, 18 or 24 Hours Prior to Intercourse". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT00667979. Licensed CC0.

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