# Evaluation of LEVITRA to Advance the Treatment of Erectile Dysfunction

> **NCT00664833** · PHASE4 · COMPLETED · sponsor: **Bayer** · enrollment: 1029 (actual)

## Conditions studied

- Erectile Dysfunction

## Interventions

- **BEHAVIORAL:** Levitra (Vardenafil, BAY38-9456)
- **BEHAVIORAL:** Levitra (Vardenafil, BAY38-9456)
- **BEHAVIORAL:** Levitra (Vardenafil, BAY38-9456)
- **OTHER:** No Education

## Key facts

- **NCT ID:** NCT00664833
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-05
- **Primary completion:** —
- **Final completion:** 2005-10
- **Target enrollment:** 1029 (ACTUAL)
- **Last updated:** 2014-12-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00664833

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00664833, "Evaluation of LEVITRA to Advance the Treatment of Erectile Dysfunction". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT00664833. Licensed CC0.

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