# X-Change HF - Exchange of the Existing Pacemaker/ICD in Bradycardia Patients Suffering From Heart Failure

> **NCT00157846** · PHASE4 · TERMINATED · sponsor: **Medtronic Cardiac Rhythm and Heart Failure** · enrollment: 36 (actual)

## Conditions studied

- Heart Failure, Congestive

## Interventions

- **DEVICE:** CRT-P or CRT-D Device

## Key facts

- **NCT ID:** NCT00157846
- **Lead sponsor:** Medtronic Cardiac Rhythm and Heart Failure
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2003-10
- **Primary completion:** 2008-08
- **Final completion:** 2008-08
- **Target enrollment:** 36 (ACTUAL)
- **Why stopped:** Due to existing evidence eligible patients receive CRT treatment in first place
- **Last updated:** 2025-07-03

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00157846

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00157846, "X-Change HF - Exchange of the Existing Pacemaker/ICD in Bradycardia Patients Suffering From Heart Failure". Retrieved via AI Analytics 2026-07-08 from https://api.ai-analytics.org/clinical/NCT00157846. Licensed CC0.

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