Trial Outcomes & Findings for Ablation vs Drug Therapy for Atrial Fibrillation - Pilot Trial (NCT NCT00578617)

NCT ID: NCT00578617

Last Updated: 2013-01-04

Results Overview

Documentation of atrial fibrillation using a cardiac event recorder

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

60 participants

Primary outcome timeframe

12 months after intervention

Results posted on

2013-01-04

Participant Flow

Participant milestones

Participant milestones
Measure
Drug Therapy
Pharmacologic Therapy Rate and/or Rhythm Control: MD to choose from this list as medically indicated, doses are min recommended daily dose: metoprolol 50-100 mg, atenolol 50-100 mg, propanolol 40-80 mg, acebutolol 200 mg, carvedilol 6.25 mg, diltiazem 180-240 mg, verapamil 180-240 mg, digoxin 0.125 mg, propafenone 450 mg, flecainide 200 mg, sotalol 240 mg, dofetilide 500 mcg, amiodarone 200 mg, quinidine 600-900 mcg.
Ablation Therapy
Left Atrial Catheter Ablation: The specific choice of ablation catheters will be left to the investigator from the following list: Lifewire TC XLS, Therapy Dual/Thermocouple, NAVI-STAR/NAVI-STAR DS, Celsius Braided Tip, NAVI-STAR Thermo-Cool, Freezor/FreezorMax, Stinger, Blazer II RF/RPM/SteeroCath /XP, Chilli Cooled.
Overall Study
STARTED
31
29
Overall Study
COMPLETED
31
29
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Ablation vs Drug Therapy for Atrial Fibrillation - Pilot Trial

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Drug Therapy
n=31 Participants
Pharmacologic Therapy Rate and/or Rhythm Control: MD to choose from this list as medically indicated, doses are min recommended daily dose: metoprolol 50-100 mg, atenolol 50-100 mg, propanolol 40-80 mg, acebutolol 200 mg, carvedilol 6.25 mg, diltiazem 180-240 mg, verapamil 180-240 mg, digoxin 0.125 mg, propafenone 450 mg, flecainide 200 mg, sotalol 240 mg, dofetilide 500 mcg, amiodarone 200 mg, quinidine 600-900 mcg.
Ablation Therapy
n=29 Participants
Left Atrial Catheter Ablation: The specific choice of ablation catheters will be left to the investigator from the following list: Lifewire TC XLS, Therapy Dual/Thermocouple, NAVI-STAR/NAVI-STAR DS, Celsius Braided Tip, NAVI-STAR Thermo-Cool, Freezor/FreezorMax, Stinger, Blazer II RF/RPM/SteeroCath /XP, Chilli Cooled.
Total
n=60 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
20 Participants
n=5 Participants
18 Participants
n=7 Participants
38 Participants
n=5 Participants
Age, Categorical
>=65 years
11 Participants
n=5 Participants
11 Participants
n=7 Participants
22 Participants
n=5 Participants
Age Continuous
62.1 years
STANDARD_DEVIATION 9.57 • n=5 Participants
60.3 years
STANDARD_DEVIATION 11.46 • n=7 Participants
61.2 years
STANDARD_DEVIATION 10.47 • n=5 Participants
Sex: Female, Male
Female
5 Participants
n=5 Participants
9 Participants
n=7 Participants
14 Participants
n=5 Participants
Sex: Female, Male
Male
26 Participants
n=5 Participants
20 Participants
n=7 Participants
46 Participants
n=5 Participants
Region of Enrollment
United States
31 participants
n=5 Participants
29 participants
n=7 Participants
60 participants
n=5 Participants

PRIMARY outcome

Timeframe: 12 months after intervention

Documentation of atrial fibrillation using a cardiac event recorder

Outcome measures

Outcome measures
Measure
Drug Therapy
n=31 Participants
Pharmacologic Therapy Rate and/or Rhythm Control: MD to choose from this list as medically indicated, doses are min recommended daily dose: metoprolol 50-100 mg, atenolol 50-100 mg, propanolol 40-80 mg, acebutolol 200 mg, carvedilol 6.25 mg, diltiazem 180-240 mg, verapamil 180-240 mg, digoxin 0.125 mg, propafenone 450 mg, flecainide 200 mg, sotalol 240 mg, dofetilide 500 mcg, amiodarone 200 mg, quinidine 600-900 mcg.
Ablation Therapy
n=29 Participants
Left Atrial Catheter Ablation: The specific choice of ablation catheters will be left to the investigator from the following list: Lifewire TC XLS, Therapy Dual/Thermocouple, NAVI-STAR/NAVI-STAR DS, Celsius Braided Tip, NAVI-STAR Thermo-Cool, Freezor/FreezorMax, Stinger, Blazer II RF/RPM/SteeroCath /XP, Chilli Cooled.
Number of Participants Experiencing Recurrence of Atrial Fibrillation by One Year Follow-up
20 participants
14 participants

Adverse Events

Drug Therapy

Serious events: 4 serious events
Other events: 8 other events
Deaths: 0 deaths

Ablation Therapy

Serious events: 12 serious events
Other events: 10 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Drug Therapy
n=31 participants at risk
Pharmacologic Therapy Rate and/or Rhythm Control: MD to choose from this list as medically indicated, doses are min recommended daily dose: metoprolol 50-100 mg, atenolol 50-100 mg, propanolol 40-80 mg, acebutolol 200 mg, carvedilol 6.25 mg, diltiazem 180-240 mg, verapamil 180-240 mg, digoxin 0.125 mg, propafenone 450 mg, flecainide 200 mg, sotalol 240 mg, dofetilide 500 mcg, amiodarone 200 mg, quinidine 600-900 mcg.
Ablation Therapy
n=29 participants at risk
Left Atrial Catheter Ablation: The specific choice of ablation catheters will be left to the investigator from the following list: Lifewire TC XLS, Therapy Dual/Thermocouple, NAVI-STAR/NAVI-STAR DS, Celsius Braided Tip, NAVI-STAR Thermo-Cool, Freezor/FreezorMax, Stinger, Blazer II RF/RPM/SteeroCath /XP, Chilli Cooled.
Cardiac disorders
Ventricular Tachycardia
3.2%
1/31 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
0.00%
0/29 • Subjects were followed for adverse events for the 1 year they were on this trial.
Cardiac disorders
Cardiac Failure
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Cardiac disorders
Atrial Fibrillation
3.2%
1/31 • Number of events 2 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 2 • Subjects were followed for adverse events for the 1 year they were on this trial.
General disorders
Adverse
3.2%
1/31 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
0.00%
0/29 • Subjects were followed for adverse events for the 1 year they were on this trial.
Cardiac disorders
Cardiac Tamponade
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Vascular disorders
Vascular Pseudoaneurysm
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Infections and infestations
Device Related Infection
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Cardiac disorders
Bradycardia
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Infections and infestations
Infection
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Cardiac disorders
Coronary Artery Occlusion
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Cardiac disorders
Angina Pectoris
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Cardiac disorders
Pericardial Effusion
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Vascular disorders
Arteriovenous Fistula
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Cardiac disorders
Ischaemia
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.

Other adverse events

Other adverse events
Measure
Drug Therapy
n=31 participants at risk
Pharmacologic Therapy Rate and/or Rhythm Control: MD to choose from this list as medically indicated, doses are min recommended daily dose: metoprolol 50-100 mg, atenolol 50-100 mg, propanolol 40-80 mg, acebutolol 200 mg, carvedilol 6.25 mg, diltiazem 180-240 mg, verapamil 180-240 mg, digoxin 0.125 mg, propafenone 450 mg, flecainide 200 mg, sotalol 240 mg, dofetilide 500 mcg, amiodarone 200 mg, quinidine 600-900 mcg.
Ablation Therapy
n=29 participants at risk
Left Atrial Catheter Ablation: The specific choice of ablation catheters will be left to the investigator from the following list: Lifewire TC XLS, Therapy Dual/Thermocouple, NAVI-STAR/NAVI-STAR DS, Celsius Braided Tip, NAVI-STAR Thermo-Cool, Freezor/FreezorMax, Stinger, Blazer II RF/RPM/SteeroCath /XP, Chilli Cooled.
Vascular disorders
Vascular Injury
3.2%
1/31 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
6.9%
2/29 • Number of events 2 • Subjects were followed for adverse events for the 1 year they were on this trial.
Vascular disorders
Haematoma
3.2%
1/31 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
6.9%
2/29 • Number of events 2 • Subjects were followed for adverse events for the 1 year they were on this trial.
General disorders
Rash
9.7%
3/31 • Number of events 3 • Subjects were followed for adverse events for the 1 year they were on this trial.
0.00%
0/29 • Subjects were followed for adverse events for the 1 year they were on this trial.
Gastrointestinal disorders
Nausea
9.7%
3/31 • Number of events 3 • Subjects were followed for adverse events for the 1 year they were on this trial.
0.00%
0/29 • Subjects were followed for adverse events for the 1 year they were on this trial.
Vascular disorders
Transient Ischaemic Attack
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
3.4%
1/29 • Number of events 1 • Subjects were followed for adverse events for the 1 year they were on this trial.
Metabolism and nutrition disorders
Fluid Overload
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
6.9%
2/29 • Number of events 2 • Subjects were followed for adverse events for the 1 year they were on this trial.
Cardiac disorders
Cardiac Failure
0.00%
0/31 • Subjects were followed for adverse events for the 1 year they were on this trial.
10.3%
3/29 • Number of events 3 • Subjects were followed for adverse events for the 1 year they were on this trial.

Additional Information

Kristi Monahan

Mayo Clinic

Phone: 507-255-6676

Results disclosure agreements

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