# Tadalafil Taken Daily Compared to Placebo on Improvement of Getting and Maintaining an Erection and Sexual Quality of Life

> **NCT00422734** · PHASE3 · COMPLETED · sponsor: **Eli Lilly and Company** · enrollment: 342 (actual)

## Conditions studied

- Impotence

## Interventions

- **DRUG:** tadalafil
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00422734
- **Lead sponsor:** Eli Lilly and Company
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2006-11
- **Primary completion:** 2008-01
- **Final completion:** 2008-01
- **Target enrollment:** 342 (ACTUAL)
- **Last updated:** 2009-06-10

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00422734

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00422734, "Tadalafil Taken Daily Compared to Placebo on Improvement of Getting and Maintaining an Erection and Sexual Quality of Life". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT00422734. Licensed CC0.

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