# Lead EvaluAtion for Defibrillation and Reliability (LEADR) / Lead Evaluation for Defibrillation and Reliability in Left Bundle Branch Area Pacing (LEADR LBBAP)

> **NCT04863664** · NA · COMPLETED · sponsor: **Medtronic Cardiac Rhythm and Heart Failure** · enrollment: 998 (actual)

## Conditions studied

- Tachyarrhythmia

## Interventions

- **DEVICE:** Defibrillation (RV Implant)
- **DEVICE:** Defibrillation (LBBAP Implant)

## Key facts

- **NCT ID:** NCT04863664
- **Lead sponsor:** Medtronic Cardiac Rhythm and Heart Failure
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-21
- **Primary completion:** 2025-09-03
- **Final completion:** 2025-11-06
- **Target enrollment:** 998 (ACTUAL)
- **Last updated:** 2025-12-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04863664

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04863664, "Lead EvaluAtion for Defibrillation and Reliability (LEADR) / Lead Evaluation for Defibrillation and Reliability in Left Bundle Branch Area Pacing (LEADR LBBAP)". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04863664. Licensed CC0.

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