# Spontaneous Atrio Ventricular Conduction Preservation

> **NCT00655213** · PHASE4 · COMPLETED · sponsor: **LivaNova** · enrollment: 622 (actual)

## Conditions studied

- Sinus Node Dysfunction
- Bradycardia-Tachycardia Syndrome
- Paroxysmal Atrioventricular Block

## Interventions

- **DEVICE:** Symphony D 2450
- **DEVICE:** Symphony DR 2550

## Key facts

- **NCT ID:** NCT00655213
- **Lead sponsor:** LivaNova
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2003-11
- **Primary completion:** 2006-12
- **Final completion:** 2006-12
- **Target enrollment:** 622 (ACTUAL)
- **Last updated:** 2008-04-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00655213

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00655213, "Spontaneous Atrio Ventricular Conduction Preservation". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00655213. Licensed CC0.

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