# Udenafil Therapy to Improve Symptomatology, Exercise Tolerance and Hemodynamics in Patients With Chronic Systolic Heart Failure

> **NCT01646515** · PHASE3 · TERMINATED · sponsor: **Seoul National University Hospital** · enrollment: 41 (actual)

## Conditions studied

- Systolic Heart Failure

## Interventions

- **DRUG:** Placebo
- **DRUG:** Udenafil (Zydena)

## Key facts

- **NCT ID:** NCT01646515
- **Lead sponsor:** Seoul National University Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2011-12
- **Primary completion:** 2014-01
- **Final completion:** 2014-01
- **Target enrollment:** 41 (ACTUAL)
- **Why stopped:** Substantial benefit was observed in the active treatment group
- **Last updated:** 2014-04-24

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01646515

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01646515, "Udenafil Therapy to Improve Symptomatology, Exercise Tolerance and Hemodynamics in Patients With Chronic Systolic Heart Failure". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT01646515. Licensed CC0.

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