# AV Delay Optimization vs. Intrinsic Conduction in Pacemaker Patients With Long PR Intervals

> **NCT02154750** · NA · COMPLETED · sponsor: **University of California, San Diego** · enrollment: 23 (actual)

## Conditions studied

- Atrioventricular Block
- Sick Sinus Syndrome
- Symptomatic Bradycardia
- Cardiac Arrhythmia

## Interventions

- **DEVICE:** Long, fixed AV delay
- **DEVICE:** Short, optimized AV delay

## Key facts

- **NCT ID:** NCT02154750
- **Lead sponsor:** University of California, San Diego
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-06-01
- **Primary completion:** 2021-12-31
- **Final completion:** 2021-12-31
- **Target enrollment:** 23 (ACTUAL)
- **Last updated:** 2025-07-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02154750

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02154750, "AV Delay Optimization vs. Intrinsic Conduction in Pacemaker Patients With Long PR Intervals". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT02154750. Licensed CC0.

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