Trial Outcomes & Findings for Guided Radiofrequency Ablation Using the CARTO® 3 and NavX™ Systems for the Treatment of Paroxysmal Atrial Fibrillation (NCT NCT01036724)

NCT ID: NCT01036724

Last Updated: 2017-09-27

Results Overview

The primary outcome measure of this study is to measure and compare total fluoroscopy exposure time (minutes) at the conclusion of radiofrequency ablation for the treatment of paroxysmal atrial fibrillation, when guided by the CARTO® 3 or the NavX(TM) System in similar procedures.

Recruitment status

TERMINATED

Target enrollment

107 participants

Primary outcome timeframe

Throughout the Total Duration of the Procedure

Results posted on

2017-09-27

Participant Flow

Participant milestones

Participant milestones
Measure
NAVX
Those subjects whose cases use the NAVX(TM) EP Navigational System.
Carto 3
Those subjects whose cases use the CARTO 3 EP Navigation System.
Overall Study
STARTED
55
52
Overall Study
COMPLETED
47
46
Overall Study
NOT COMPLETED
8
6

Reasons for withdrawal

Reasons for withdrawal
Measure
NAVX
Those subjects whose cases use the NAVX(TM) EP Navigational System.
Carto 3
Those subjects whose cases use the CARTO 3 EP Navigation System.
Overall Study
Adverse Event
2
1
Overall Study
Lack of Efficacy
1
1
Overall Study
Protocol Violation
5
4

Baseline Characteristics

Guided Radiofrequency Ablation Using the CARTO® 3 and NavX™ Systems for the Treatment of Paroxysmal Atrial Fibrillation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Carto 3
n=46 Participants
Those subjects whose cases use the CARTO 3 EP Navigation System.
NAVX
n=47 Participants
Those subjects whose cases use the NAVX(TM) EP Navigational System.
Total
n=93 Participants
Total of all reporting groups
Age, Continuous
58 years
n=5 Participants
57 years
n=7 Participants
58 years
n=5 Participants
Sex: Female, Male
Female
14 Participants
n=5 Participants
7 Participants
n=7 Participants
21 Participants
n=5 Participants
Sex: Female, Male
Male
32 Participants
n=5 Participants
40 Participants
n=7 Participants
72 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Throughout the Total Duration of the Procedure

The primary outcome measure of this study is to measure and compare total fluoroscopy exposure time (minutes) at the conclusion of radiofrequency ablation for the treatment of paroxysmal atrial fibrillation, when guided by the CARTO® 3 or the NavX(TM) System in similar procedures.

Outcome measures

Outcome measures
Measure
Carto 3
n=46 Participants
Those subjects whose cases use the CARTO 3 EP Navigation System.
NAVX
n=47 Participants
Those subjects whose cases use the NAVX(TM) EP Navigational System.
Total Fluoroscopy Time
31.0 minutes
Interval 0.7 to 61.6
37.5 minutes
Interval 4.3 to 76.0

SECONDARY outcome

Timeframe: Total Duration of the Procedure

Outcome measures

Outcome measures
Measure
Carto 3
n=46 Participants
Those subjects whose cases use the CARTO 3 EP Navigation System.
NAVX
n=47 Participants
Those subjects whose cases use the NAVX(TM) EP Navigational System.
Total Procedure Time
160.5 minutes
Interval 82.0 to 414.0
147.0 minutes
Interval 86.0 to 343.0

Adverse Events

Carto 3

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

NAVX

Serious events: 3 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Carto 3
n=46 participants at risk
Those subjects whose cases use the CARTO 3 EP Navigation System.
NAVX
n=47 participants at risk
Those subjects whose cases use the NAVX(TM) EP Navigational System.
Cardiac disorders
Atrial Perforation
0.00%
0/46 • Throughout the Duration of the Procedure
4.3%
2/47 • Number of events 2 • Throughout the Duration of the Procedure
Cardiac disorders
Cardiac Tamponade
2.2%
1/46 • Number of events 1 • Throughout the Duration of the Procedure
2.1%
1/47 • Number of events 1 • Throughout the Duration of the Procedure

Other adverse events

Adverse event data not reported

Additional Information

Dr. Tina Hunter, Consulting Statistician to Biosense Webster

CTI Clinical Trials and Consulting

Phone: 513-619-5541

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place