# Study Evaluating the Efficacy and Safety of Flexible-dose Vardenafil in Subjects With Erectile Dysfunction

> **NCT00658177** · PHASE3 · COMPLETED · sponsor: **Bayer** · enrollment: 463 (actual)

## Conditions studied

- Erectile Dysfunction

## Interventions

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

## Key facts

- **NCT ID:** NCT00658177
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2003-06
- **Primary completion:** —
- **Final completion:** 2004-02
- **Target enrollment:** 463 (ACTUAL)
- **Last updated:** 2014-12-02

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00658177

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00658177, "Study Evaluating the Efficacy and Safety of Flexible-dose Vardenafil in Subjects With Erectile Dysfunction". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00658177. Licensed CC0.

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