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Guidant Microwave Ablation System for the Treatment of Atrial Fibrillation

Randomized Study of Surgical Ablation With Microwave Energy for the Treatment of Atrial Fibrillation

Status
Terminated
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00111488
Enrollment
200
Registered
2005-05-23
Start date
2005-06-30
Completion date
2006-12-31
Last updated
2016-01-06

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

Conditions

Atrial Fibrillation

Keywords

atrial fibrillation

Brief summary

The purpose of the Randomized Study of Surgical Ablation with Microwave Energy for the Treatment of Atrial Fibrillation (RESOLVE-AF) trial is to determine the safety and effectiveness of the Guidant FLEX® Microwave Surgical Ablation System in the treatment of permanent atrial fibrillation (AF).

Interventions

DEVICEFlex 4 and Generator

Sponsors

Boston Scientific Corporation
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
SINGLE

Eligibility

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

Inclusion criteria

* Patient age \>= 18 years * Documented permanent AF (for at least three months) * Scheduled for an open chest cardiac surgery for the primary indication of mitral valve repair or replacement * Has been informed of the nature of the study, agrees to its provisions, and provided written informed consent, which was approved by the appropriate Institutional Review Board/Ethics Committee of the respective clinical site

Exclusion criteria

* Cerebral vascular accident (CVA, stroke) or transient ischemic attack (TIA) within the previous 6 months * Myocardial infarction within the previous 6 weeks * Documented history of pulmonary vein stenosis * Previous ablation attempt for AF * Previous thoracic procedures * Left atrial size \> 7.0 cm * Left ventricular ejection fraction \< 30% * Presence of left atrial or left atrial appendage thrombi * Esophageal fistula or other stricture, untreated esophagitis, varices, dysphagia or odynophagia contraindicating transesophageal echocardiography * Known allergy or contraindication to warfarin therapy * Known allergy or contraindication to antiarrhythmic (Classes IA, IC, III) therapy * Other comorbidity with reduced life expectancy of less than 1 year or protocol noncompliance that would limit follow-up * Geographically remote or unable to return for follow-up examinations * Pregnant or planning to become pregnant during the study * Enrolled in any concurrent study, without Guidant written approval, that may confound the results of the study

Design outcomes

Primary

MeasureTime frame
Freedom from atrial fibrillation at six months
Composite major adverse event at one monthOne month

Secondary

MeasureTime frame
Composite Majour Adverse Events at three and 6 months3 months and 6 months
Restoration of normal sinus rhythm at dischargeHospital discharge
Change in cardiac function at six month6 month
Change in Quality of Life at six months6 months

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026