# A Extension Study of Udenafil in Adolescents

> **NCT03013751** · PHASE3 · COMPLETED · sponsor: **Mezzion Pharma Co. Ltd** · enrollment: 301 (actual)

## Conditions studied

- Functional Single Ventricle Heart Disease

## Interventions

- **DRUG:** Udenafil

## Key facts

- **NCT ID:** NCT03013751
- **Lead sponsor:** Mezzion Pharma Co. Ltd
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-02-06
- **Primary completion:** 2019-12-30
- **Final completion:** 2022-12-20
- **Target enrollment:** 301 (ACTUAL)
- **Last updated:** 2025-12-09

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03013751

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03013751, "A Extension Study of Udenafil in Adolescents". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT03013751. Licensed CC0.

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