# Efficacy Study of Pacemakers to Treat Slow Heart Rate in Patients With Heart Failure

> **NCT02145351** · NA · COMPLETED · sponsor: **Mayo Clinic** · enrollment: 32 (actual)

## Conditions studied

- Heart Failure With a Preserved Ejection Fraction
- Heart Failure, Diastolic
- Chronotropic Incompetence

## Interventions

- **DEVICE:** Rate adaptive atrial pacing using a dual-chamber pacemaker
- **DEVICE:** Pacemaker system will be implanted but set to Pacing Off.

## Key facts

- **NCT ID:** NCT02145351
- **Lead sponsor:** Mayo Clinic
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-04-07
- **Primary completion:** 2022-05-09
- **Final completion:** 2022-05-09
- **Target enrollment:** 32 (ACTUAL)
- **Last updated:** 2023-04-05

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02145351

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02145351, "Efficacy Study of Pacemakers to Treat Slow Heart Rate in Patients With Heart Failure". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT02145351. Licensed CC0.

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