CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 400 enrolled
Drug / intervention
Udenafil +1 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT02741115
NCT02741115Phase 3Completed

Fontan Udenafil Exercise Longitudinal Assessment Trial (FUEL)

Mezzion Pharma Co. Ltd·interventional·Posted Apr 18, 2016·Updated Jun 17, 2025

In Brief

A Phase 3 clinical trial evaluating Udenafil and Placebo for Single Ventricle Heart Disease. Completed, enrolled 400 participants across 30 sites in 3 countries.

Detailed Summary

This study will evaluate the clinical efficacy and safety of udenafil, an orally administered, potent and selective inhibitor of PDE5, versus placebo for the treatment of adolescent subjects who have undergone the Fontan procedure.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesCanada, South Korea, United States

Timeline

Phase 3CompletedFinished
2017201820192020202120222023202420252026
First PostedApr 18, 2016
Enrollment StartJul 22, 2016
Primary CompletionDec 27, 2018
Study CompletionApr 30, 2019
TodayJul 2, 2026
Enrollment to primary: 2.4 yearsPosted 10.2 years ago

Interventions

Udenafildrug

Active drug

Placebodrug

Matching Placebo