# ALternate Site Cardiac ReSYNChronization (ALSYNC) Study

> **NCT01277783** · NA · COMPLETED · sponsor: **Medtronic Cardiac Rhythm and Heart Failure** · enrollment: 138 (actual)

## Conditions studied

- Heart Failure

## Interventions

- **DEVICE:** Endocardial Left Ventricular pacing

## Key facts

- **NCT ID:** NCT01277783
- **Lead sponsor:** Medtronic Cardiac Rhythm and Heart Failure
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-03
- **Primary completion:** 2014-04
- **Final completion:** 2014-10
- **Target enrollment:** 138 (ACTUAL)
- **Last updated:** 2019-06-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01277783

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01277783, "ALternate Site Cardiac ReSYNChronization (ALSYNC) Study". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT01277783. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*