# Bifocal Right Ventricular PAcing in Right Bundle Branch blocK and Heart Failure With Reduced Ejection Fraction. The Study Tests the Superiority of Right Ventricular Bifocal Stimulation Over VVI Implantable Defibrillator in Right Bundle Branch Block and Heart Failure.

> **NCT03524001** · NA · TERMINATED · sponsor: **Azienda Ospedaliero Universitaria Maggiore della Carita** · enrollment: 13 (actual)

## Conditions studied

- Right Bundle-Branch Block
- Heart Failure With Reduced Ejection Fraction
- Bifocal Stimulation

## Interventions

- **DEVICE:** Compare VVi mode versus DDD bifocal stimulation through crossover randomization

## Key facts

- **NCT ID:** NCT03524001
- **Lead sponsor:** Azienda Ospedaliero Universitaria Maggiore della Carita
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2018-02-01
- **Primary completion:** 2022-06-27
- **Final completion:** 2022-07-10
- **Target enrollment:** 13 (ACTUAL)
- **Why stopped:** Non superiority of treatment arm (and hypothesized inferiority) before completion of enrolling, at ad interim analysis
- **Last updated:** 2023-02-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03524001

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03524001, "Bifocal Right Ventricular PAcing in Right Bundle Branch blocK and Heart Failure With Reduced Ejection Fraction. The Study Tests the Superiority of Right Ventricular Bifocal Stimulation Over VVI Implantable Defibrillator in Right Bundle Branch Block and Heart Failure.". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT03524001. Licensed CC0.

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