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Biventricular Versus Right Ventricular Pacing in Heart Failure Patients With Atrioventricular Block (BLOCK HF)

NCT00267098 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 918

Last updated 2014-03-26

Study results available
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Summary

Heart failure is a progressive disease that decreases the pumping action of the heart. This may cause a backup of fluid in the heart and may result in heart beat changes. When there are changes in the heartbeat, sometimes a pacemaker is used to control the rate and rhythm of the heartbeat. In this trial, the researchers will test if pacing both the left and right lower half of the heart (ventricles) will:

* decrease the number of hospital and clinic visits due to heart failure symptoms
* extend life
* delay heart failure symptoms as compared to those who are paced in only one ventricle (the right ventricle)

Conditions

  • Atrioventricular Block
  • Heart Diseases

Interventions

DEVICE

Cardiac Resynchronization Therapy (CRT)

Biventricular pacing

DEVICE

Cardiac Resynchronization Therapy (CRT)

Right ventricular pacing

Sponsors & Collaborators

  • Medtronic Cardiac Rhythm and Heart Failure

    lead INDUSTRY

Principal Investigators

  • Anne B. Curtis, MD, FHRS, FACC · University at Buffalo, NY

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2003-12-31
Primary Completion
2012-12-31
Completion
2013-03-31

Countries

  • United States
  • Canada

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00267098 on ClinicalTrials.gov