Trial Outcomes & Findings for Amiodarone for the Prevention of Reperfusion Ventricular Fibrillation (NCT NCT00587483)

NCT ID: NCT00587483

Last Updated: 2011-08-11

Results Overview

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

342 participants

Primary outcome timeframe

Participants were followed from randomization through the 60 minute period following myocardial reperfusion.

Results posted on

2011-08-11

Participant Flow

Adult patients presenting for cardiac surgery in which aortic cross clamping was anticipated were recruited between 11/2007 and 6/2010

Participant milestones

Participant milestones
Measure
Lidocaine 1.5 mg /kg
Subjects randomized to receive Lidocaine 1.5 mg/kg via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Amiodarone 300 mg
Subjects randomized to receive Amiodarone 300 mg IV(followed by 150 mg IV if needed) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Placebo (Saline)
Subjects randomized to receive placebo (saline) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Overall Study
STARTED
115
115
112
Overall Study
COMPLETED
115
115
112
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Amiodarone for the Prevention of Reperfusion Ventricular Fibrillation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Lidocaine 1.5 mg /kg
n=115 Participants
Subjects randomized to receive Lidocaine 1.5 mg/kg via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Amiodarone 300 mg
n=115 Participants
Subjects randomized to receive Amiodarone 300 mg IV(followed by 150 mg IV if needed) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Placebo (Saline)
n=112 Participants
Subjects randomized to receive placebo (saline) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Total
n=342 Participants
Total of all reporting groups
Age Continuous
62.7 years
STANDARD_DEVIATION 13.9 • n=5 Participants
63.3 years
STANDARD_DEVIATION 13.6 • n=7 Participants
63.6 years
STANDARD_DEVIATION 13.0 • n=5 Participants
63.2 years
STANDARD_DEVIATION 13.0 • n=4 Participants
Sex: Female, Male
Female
34 Participants
n=5 Participants
41 Participants
n=7 Participants
30 Participants
n=5 Participants
105 Participants
n=4 Participants
Sex: Female, Male
Male
81 Participants
n=5 Participants
74 Participants
n=7 Participants
82 Participants
n=5 Participants
237 Participants
n=4 Participants
Type of Operation
Coronary Artery Bypass Grafting only
15 Participants
n=5 Participants
18 Participants
n=7 Participants
20 Participants
n=5 Participants
53 Participants
n=4 Participants
Type of Operation
Valve only
37 Participants
n=5 Participants
38 Participants
n=7 Participants
31 Participants
n=5 Participants
106 Participants
n=4 Participants
Type of Operation
Septal Myectomy
30 Participants
n=5 Participants
34 Participants
n=7 Participants
34 Participants
n=5 Participants
98 Participants
n=4 Participants
Type of Operation
Multiple Procedures
33 Participants
n=5 Participants
25 Participants
n=7 Participants
27 Participants
n=5 Participants
85 Participants
n=4 Participants
Preoperative Medications
Beta blocker
73 Participants
n=5 Participants
67 Participants
n=7 Participants
73 Participants
n=5 Participants
213 Participants
n=4 Participants
Preoperative Medications
ACE Inhibitor/Angiotensin Receptor Blocker (ARB)
31 Participants
n=5 Participants
43 Participants
n=7 Participants
29 Participants
n=5 Participants
103 Participants
n=4 Participants
Preoperative Medications
Statin
42 Participants
n=5 Participants
46 Participants
n=7 Participants
60 Participants
n=5 Participants
148 Participants
n=4 Participants
Preoperative Medications
Digoxin
4 Participants
n=5 Participants
7 Participants
n=7 Participants
7 Participants
n=5 Participants
18 Participants
n=4 Participants
Preoperative Medications
Amiodarone
7 Participants
n=5 Participants
5 Participants
n=7 Participants
2 Participants
n=5 Participants
14 Participants
n=4 Participants
History of Dysrhythmias
Atrial Fibrillation
22 Participants
n=5 Participants
23 Participants
n=7 Participants
17 Participants
n=5 Participants
62 Participants
n=4 Participants
History of Dysrhythmias
Atrial Flutter
2 Participants
n=5 Participants
4 Participants
n=7 Participants
1 Participants
n=5 Participants
7 Participants
n=4 Participants
History of Dysrhythmias
Ventricular
3 Participants
n=5 Participants
0 Participants
n=7 Participants
3 Participants
n=5 Participants
6 Participants
n=4 Participants
History of Dysrhythmias
Unknown or Not Reported
88 Participants
n=5 Participants
88 Participants
n=7 Participants
91 Participants
n=5 Participants
267 Participants
n=4 Participants
Left Ventricular Ejection Fraction (%)
62.7 Percentage
STANDARD_DEVIATION 11.5 • n=5 Participants
62.7 Percentage
STANDARD_DEVIATION 10.8 • n=7 Participants
62.8 Percentage
STANDARD_DEVIATION 11.7 • n=5 Participants
62.75 Percentage
STANDARD_DEVIATION 11 • n=4 Participants
Medical History/Comorbidities
Diabetes Mellitus
14 Participants
n=5 Participants
16 Participants
n=7 Participants
14 Participants
n=5 Participants
44 Participants
n=4 Participants
Medical History/Comorbidities
Chronic Obstructive Pulmonary Disease (COPD)
7 Participants
n=5 Participants
3 Participants
n=7 Participants
5 Participants
n=5 Participants
15 Participants
n=4 Participants
Medical History/Comorbidities
Hypertension
37 Participants
n=5 Participants
55 Participants
n=7 Participants
48 Participants
n=5 Participants
140 Participants
n=4 Participants
Medical History/Comorbidities
Unknown or Not Reported
57 Participants
n=5 Participants
41 Participants
n=7 Participants
45 Participants
n=5 Participants
143 Participants
n=4 Participants

PRIMARY outcome

Timeframe: Participants were followed from randomization through the 60 minute period following myocardial reperfusion.

Population: Intention to Treat (ITT)

Outcome measures

Outcome measures
Measure
Lidocaine 1.5 mg /kg
n=115 Participants
Subjects randomized to receive Lidocaine 1.5 mg/kg via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Amiodarone 300 mg
n=115 Participants
Subjects randomized to receive Amiodarone 300 mg IV(followed by 150 mg IV if needed) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Placebo (Saline)
n=112 Participants
Subjects randomized to receive placebo (saline) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Participants Experiencing Ventricular Fibrillation Requiring Defibrillation During the 60 Minute Period Following Myocardial Reperfusion
66 Participants
60 Participants
70 Participants

SECONDARY outcome

Timeframe: Participants were followed from randomization through the 60 minute period following myocardial reperfusion.

Population: Intention to Treat (IIT)

Outcome measures

Outcome measures
Measure
Lidocaine 1.5 mg /kg
n=115 Participants
Subjects randomized to receive Lidocaine 1.5 mg/kg via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Amiodarone 300 mg
n=115 Participants
Subjects randomized to receive Amiodarone 300 mg IV(followed by 150 mg IV if needed) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Placebo (Saline)
n=112 Participants
Subjects randomized to receive placebo (saline) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Number of Defibrillation Attempts
0 Attempts
46 Participants
57 Participants
40 Participants
Number of Defibrillation Attempts
1 - 3 Attempts
53 Participants
43 Participants
46 Participants
Number of Defibrillation Attempts
> 3 Attempts
16 Participants
15 Participants
14 Participants

SECONDARY outcome

Timeframe: Participants were followed from randomization through the 60 minute period following myocardial reperfusion.

Number of participants per arm who experienced arrhythmias other than ventricular fibrillation while in the ICU.

Outcome measures

Outcome measures
Measure
Lidocaine 1.5 mg /kg
n=115 Participants
Subjects randomized to receive Lidocaine 1.5 mg/kg via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Amiodarone 300 mg
n=114 Participants
Subjects randomized to receive Amiodarone 300 mg IV(followed by 150 mg IV if needed) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Placebo (Saline)
n=111 Participants
Subjects randomized to receive placebo (saline) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Incidence of Arrhythmias Other Than Ventricular Fibrillation
Ventricular tachycardia
3 Participants
2 Participants
0 Participants
Incidence of Arrhythmias Other Than Ventricular Fibrillation
Atrial fibrillation
21 Participants
23 Participants
18 Participants
Incidence of Arrhythmias Other Than Ventricular Fibrillation
Other arrhythmias
27 Participants
35 Participants
27 Participants

SECONDARY outcome

Timeframe: Participants were followed from dismissal from the ICU until dismissal from the hospital.

Number of participants per arm who experienced arrhythmias while on floor care following dismissal from the ICU.

Outcome measures

Outcome measures
Measure
Lidocaine 1.5 mg /kg
n=115 Participants
Subjects randomized to receive Lidocaine 1.5 mg/kg via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Amiodarone 300 mg
n=114 Participants
Subjects randomized to receive Amiodarone 300 mg IV(followed by 150 mg IV if needed) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Placebo (Saline)
n=111 Participants
Subjects randomized to receive placebo (saline) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Incidence of Arrhythmias in the Post-Operative Period
Ventricular tachycardia
2 Participants
2 Participants
3 Participants
Incidence of Arrhythmias in the Post-Operative Period
Atrial fibrillation
56 Participants
49 Participants
38 Participants
Incidence of Arrhythmias in the Post-Operative Period
Other arrhythmias
36 Participants
42 Participants
24 Participants

SECONDARY outcome

Timeframe: Participants were followed from randomization until time to discharge from the hospital.

Number of participants per arm who required the use of vasopressors in the post-operative period.

Outcome measures

Outcome measures
Measure
Lidocaine 1.5 mg /kg
n=115 Participants
Subjects randomized to receive Lidocaine 1.5 mg/kg via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Amiodarone 300 mg
n=114 Participants
Subjects randomized to receive Amiodarone 300 mg IV(followed by 150 mg IV if needed) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Placebo (Saline)
n=111 Participants
Subjects randomized to receive placebo (saline) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Use of Vasopressors
Epinephrine
1 Participants
1 Participants
0 Participants
Use of Vasopressors
Norepinephrine
0 Participants
0 Participants
0 Participants
Use of Vasopressors
Vasopressin
0 Participants
2 Participants
0 Participants

SECONDARY outcome

Timeframe: Participants were followed from the date of randomization until the date of discharge from the Intensive Care Unit, assessed up to 40 days.

Outcome measures

Outcome measures
Measure
Lidocaine 1.5 mg /kg
n=115 Participants
Subjects randomized to receive Lidocaine 1.5 mg/kg via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Amiodarone 300 mg
n=114 Participants
Subjects randomized to receive Amiodarone 300 mg IV(followed by 150 mg IV if needed) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Placebo (Saline)
n=111 Participants
Subjects randomized to receive placebo (saline) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Time to Discharge From the Intensive Care Unit
1.357 Days
Standard Deviation 0.948
5.329 Days
Standard Deviation 34.515
4.847 Days
Standard Deviation 34.622

SECONDARY outcome

Timeframe: Participants were followed from the date of randomization until the date of discharge from the hospital, assessed up to 60 days.

Outcome measures

Outcome measures
Measure
Lidocaine 1.5 mg /kg
n=115 Participants
Subjects randomized to receive Lidocaine 1.5 mg/kg via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Amiodarone 300 mg
n=114 Participants
Subjects randomized to receive Amiodarone 300 mg IV(followed by 150 mg IV if needed) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Placebo (Saline)
n=111 Participants
Subjects randomized to receive placebo (saline) via the cardiopulmonary reservoir prior to the removal of the aortic cross clamp.
Time to Discharge From the Hospital
6.183 Days
Standard Deviation 2.833
7.5 Days
Standard Deviation 8.545
9.423 Days
Standard Deviation 34.572

Adverse Events

Lidocaine 1.5 mg /kg

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

Amiodarone 300 mg

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

Placebo (Saline)

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. William Mauermann

Mayo Clinic

Phone: 507-255-4240

Results disclosure agreements

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