NCT00294645

Brief Summary

The purpose of the study is to compare remote pacemaker follow-up to current standard of care follow-up. The study will compare the rate of first diagnosis of clinically actionable events between patients who utilize the Medtronic Carelink® Network (Remote arm) versus patients who are followed via routine office visits augmented by transtelephonic monitoring (TTM)(Control arm).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
980

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Apr 2004

Longer than P75 for not_applicable

Geographic Reach
1 country

45 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2004

Completed
1.9 years until next milestone

First Submitted

Initial submission to the registry

February 20, 2006

Completed
2 days until next milestone

First Posted

Study publicly available on registry

February 22, 2006

Completed
2.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2008

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2008

Completed
2.6 years until next milestone

Results Posted

Study results publicly available

October 19, 2010

Completed
Last Updated

October 19, 2010

Status Verified

October 1, 2010

Enrollment Period

4 years

First QC Date

February 20, 2006

Results QC Date

April 1, 2009

Last Update Submit

October 1, 2010

Conditions

Keywords

Remote Follow UpDiagnosticBradycardia

Outcome Measures

Primary Outcomes (1)

  • Percentage of Participants With First Diagnosis of Clinically Actionable Events (CAE) at 12 Months

    Clinically Actionable Events (CAE) are 12 events that were identified based on their relation to other comorbidities that may increase the risk of a serious cardiac event. The CAEs consist of several arrhythmias and device performance parameters such as: Atrial Tachycardia/Atrial Fibrillation (AT/AF) and loss of capture.

    One year post-enrollment

Secondary Outcomes (13)

  • Proportion of Actions Taken in Response to the Diagnosis of Clinically Actionable Events

    One year post-enrollment

  • Percentage of Participants With First Diagnosis of New Onset Atrial Tachycardia/Atrial Fibrillation (AT/AF) at 12 Months

    One year post-enrollment

  • Percentage of Participants With First Diagnosis of Sensed Ventricular Rate Greater Than 100 Beats Per Minute (BPM) During Atrial Tachycardia/Atrial Fibrillation at 12 Months

    One year post-enrollment

  • Percentage of Participants With First Diagnosis of Atrial Tachycardia/Atrial Fibrillation Greater Than 48 Hours at 12 Months

    One year post-enrollment

  • Percentage of Participants With First Diagnosis of Ventricular Pacing Increase Greater Than 30 Percent at 12 Months

    One year post-enrollment

  • +8 more secondary outcomes

Study Arms (2)

Control

ACTIVE COMPARATOR

Transtelephonic monitoring at 2 month intervals

Other: Transtelephonic monitoring (TTM)

Remote

ACTIVE COMPARATOR

Medtronic CareLink® Network remote pacemaker interrogation at 3 month intervals

Other: Medtronic CareLink® Network

Interventions

TTM conducted at 2 month intervals. For patients with dual-chamber pacemakers, an in-office visit was required at 6 months (rather than TTM transmission for patients with single-chamber pacemakers). Follow-up frequency established to mimic best case standard of care when utilizing TTM for follow-up. A 12-month in-office visit completed the follow-up period.

Control

Remote pacemaker interrogation conducted at 3 month intervals. Follow-up frequency established to mimic best case standard of care when utilizing implantable cardioverter defibrillator (ICD) remote interrogation for follow-up. A 12-month in-office visit completed the follow-up period.

Remote

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Patient has been previously implanted with a dual-chamber or single-chamber EnPulse®, Kappa 900®, or Adapta® device
  • Patient agrees to complete all required follow-up transmissions and in-office visits
  • Patient is capable of operating the TTM monitor and Medtronic CareLink monitor

You may not qualify if:

  • Patient is an immediate candidate for an implantable cardioverter defibrillator (ICD)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (45)

Unknown Facility

Scottsdale, Arizona, United States

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Little Rock, Arkansas, United States

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Washington D.C., District of Columbia, United States

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Ormond Beach, Florida, United States

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Safety Harbor, Florida, United States

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Springfield, Illinois, United States

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Des Moines, Iowa, United States

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Lafayette, Louisiana, United States

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Bangor, Maine, United States

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Glen Burnie, Maryland, United States

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Takoma Park, Maryland, United States

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Burlington, Massachusetts, United States

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Ann Arbor, Michigan, United States

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Minneapolis, Minnesota, United States

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Hattiesburg, Mississippi, United States

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Jackson, Mississippi, United States

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Kansas City, Missouri, United States

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St Louis, Missouri, United States

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Great Falls, Montana, United States

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Omaha, Nebraska, United States

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Reno, Nevada, United States

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Ocean City, New Jersey, United States

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Paterson, New Jersey, United States

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Towaco, New Jersey, United States

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Voorhees Township, New Jersey, United States

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Mineola, New York, United States

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Raleigh, North Carolina, United States

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Cleveland, Ohio, United States

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Columbus, Ohio, United States

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Dayton, Ohio, United States

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Marion, Ohio, United States

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Tulsa, Oklahoma, United States

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Bend, Oregon, United States

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Lancaster, Pennsylvania, United States

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Philadelphia, Pennsylvania, United States

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Wynnewood, Pennsylvania, United States

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Columbia, South Carolina, United States

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Chattanooga, Tennessee, United States

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Nashville, Tennessee, United States

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Corpus Christi, Texas, United States

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Houston, Texas, United States

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Plano, Texas, United States

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Temple, Texas, United States

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Unknown Facility

Tacoma, Washington, United States

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Unknown Facility

Wauwatosa, Wisconsin, United States

Location

Related Publications (2)

  • Chen J, Wilkoff BL, Choucair W, Cohen TJ, Crossley GH, Johnson WB, Mongeon LR, Serwer GA, Sherfesee L. Design of the Pacemaker REmote Follow-up Evaluation and Review (PREFER) trial to assess the clinical value of the remote pacemaker interrogation in the management of pacemaker patients. Trials. 2008 Apr 3;9:18. doi: 10.1186/1745-6215-9-18.

    PMID: 18387185BACKGROUND
  • Crossley GH, Chen J, Choucair W, Cohen TJ, Gohn DC, Johnson WB, Kennedy EE, Mongeon LR, Serwer GA, Qiao H, Wilkoff BL; PREFER Study Investigators. Clinical benefits of remote versus transtelephonic monitoring of implanted pacemakers. J Am Coll Cardiol. 2009 Nov 24;54(22):2012-9. doi: 10.1016/j.jacc.2009.10.001.

MeSH Terms

Conditions

BradycardiaArrhythmias, CardiacDisease

Condition Hierarchy (Ancestors)

Heart DiseasesCardiovascular DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
CRDM Clinical
Organization
Medtronic CRDM

Study Officials

  • PREFER Study Team

    Medtronic

    STUDY CHAIR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

February 20, 2006

First Posted

February 22, 2006

Study Start

April 1, 2004

Primary Completion

April 1, 2008

Study Completion

April 1, 2008

Last Updated

October 19, 2010

Results First Posted

October 19, 2010

Record last verified: 2010-10

Locations