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Asymptomatic Atrial Fibrillation and Stroke Evaluation in Pacemaker Patients and the Atrial Fibrillation Reduction Atrial Pacing Trial

Asymptomatic Atrial Fibrillation and Stroke Evaluation in Pacemaker Patients and the Atrial Fibrillation Reduction Atrial Pacing Trial

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00256152
Enrollment
2580
Registered
2005-11-21
Start date
2004-09-30
Completion date
2010-06-30
Last updated
2019-02-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Atrial Fibrillation, Hypertension

Keywords

Atrial fibrillation, Pacemaker, AF suppression pacing, Indications for Pacemaker Implantation due to sinus node or atrio-ventricular node disease

Brief summary

In patients with a standard indication for pacing and no previous history of AF, detection of Atrial High Rate Episodes predicts an increased risk of stroke and systemic embolism. Overdrive atrial pacing with the AF Suppression algorithm will reduce the risk of symptomatic AF in patients with standard indication for pacing and no previous history of AF.

Interventions

DEVICEAF Suppression Pacing Algorithm

Sponsors

Population Health Research Institute
CollaboratorOTHER
Abbott Medical Devices
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
65 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Age ≥ 65 years 2. History of hypertension requiring pharmacological therapy (≥ 4 weeks of therapy). 3. Recent (\< 8 weeks) St. Jude Medical Inc. pacemaker implant (IDENTITY® Adx DR (Model 5386/5380)), ICD implant (EPIC 2 or Atlas 2) or other St. Jude Medical Inc. pacemaker or ICD with the same capabilities. 4. In pacemaker patients only the primary indication for pacing is sinus or AV node disease.

Exclusion criteria

1. Previous documented AF, atrial flutter (lasting greater than 5 minutes), or other sustained SVT (not including episodes detected by the device) 2. Geographic/social or psychiatric factor likely to interfere with follow-up 3. Requirement for oral anticoagulation (heart valve, deep vein thrombosis, etc.)

Design outcomes

Primary

MeasureTime frame
Composite of ischemic stroke & Non-CNS systemic embolism3 years
Symptomatic or Asymptomatic AT documented by ECG3 years

Secondary

MeasureTime frame
Myocardial infarction [MI], Vascular death Composite of stroke, MI or vascular death3 years

Countries

Canada

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 27, 2026