Trial Outcomes & Findings for OMNI Study--Assessing Therapies in Medtronic Pacemaker, Defibrillator, and Cardiac Resynchronization Therapy Devices. (NCT NCT00277524)

NCT ID: NCT00277524

Last Updated: 2013-08-28

Results Overview

Frequencies of implanted systems were measured among patients who were implanted with a device (IPT, ICD or CRT-D).

Recruitment status

TERMINATED

Target enrollment

3032 participants

Primary outcome timeframe

Baseline

Results posted on

2013-08-28

Participant Flow

The study included 147 outpatient cardiology practices in the United States. Inclusion criteria were(1) implant of an implantable pulse generator (IPG), implantable cardioverter defibrillator (ICD) or cardiac resynchronization therapy defibrillator (CRT-D); and (2) age 18 years or older. Enrollment period was from Aug 2005 to Jun 2006.

This is a post-market prospective study. No group assignment is given. Subjects implanted with IPGs were enrolled and followed at 6 and 12 months. Subjects implanted with ICDs or CRT-Ds were enrolled and followed at six, 12, 24, 36, 48, and 60 months.

Participant milestones

Participant milestones
Measure
Subjects With IPG
Subjects implanted with an implantable pulse generator (IPG).
Subjects With Single Chamber ICD
Subjects implanted with a single chamber implantable cardioverter defibrillator (ICD).
Subjects With Dual Chamber ICD
Subjects implanted with a dual chamber implantable cardioverter defibrillator (ICD).
Subjects With CRT-D
Subjects implanted with a cardiac resynchronization therapy defibrillator (CRT-D).
Overall Study
STARTED
621
324
1088
850
Overall Study
COMPLETED
621
324
1088
850
Overall Study
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

OMNI Study--Assessing Therapies in Medtronic Pacemaker, Defibrillator, and Cardiac Resynchronization Therapy Devices.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Overall
n=2883 Participants
All patients enrolled in OMNI.
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
988 Participants
n=5 Participants
Age, Categorical
>=65 years
1895 Participants
n=5 Participants
Age Continuous
68.7 years
STANDARD_DEVIATION 12.5 • n=5 Participants
Sex: Female, Male
Female
907 Participants
n=5 Participants
Sex: Female, Male
Male
1976 Participants
n=5 Participants
Race/Ethnicity, Customized
American Indian
7 participants
n=5 Participants
Race/Ethnicity, Customized
Asian
38 participants
n=5 Participants
Race/Ethnicity, Customized
Black
335 participants
n=5 Participants
Race/Ethnicity, Customized
Hispanic
206 participants
n=5 Participants
Race/Ethnicity, Customized
Native Hawaiian
8 participants
n=5 Participants
Race/Ethnicity, Customized
White
2217 participants
n=5 Participants
Race/Ethnicity, Customized
Other
6 participants
n=5 Participants
Region of Enrollment
United States
2883 participants
n=5 Participants
Weight
188 lbs
STANDARD_DEVIATION 45.3 • n=5 Participants
QRS duration
119.9 ms
STANDARD_DEVIATION 34.0 • n=5 Participants
PR interval
182.6 ms
STANDARD_DEVIATION 45.5 • n=5 Participants
LVEF(%)
33.4 participants
STANDARD_DEVIATION 15.7 • n=5 Participants
New York Heart Association (NYHA) classification
I
104 participants
n=5 Participants
New York Heart Association (NYHA) classification
II
627 participants
n=5 Participants
New York Heart Association (NYHA) classification
III
857 participants
n=5 Participants
New York Heart Association (NYHA) classification
IV
72 participants
n=5 Participants
New York Heart Association (NYHA) classification
No Heart Failure
600 participants
n=5 Participants
New York Heart Association (NYHA) classification
Missing
5 participants
n=5 Participants
Heart failure (HF) stage
A
44 participants
n=5 Participants
Heart failure (HF) stage
B
229 participants
n=5 Participants
Heart failure (HF) stage
C
713 participants
n=5 Participants
Heart failure (HF) stage
D
44 participants
n=5 Participants
Heart failure (HF) stage
No HF
578 participants
n=5 Participants
Heart failure (HF) stage
NA
1275 participants
n=5 Participants
Number of patients implanted
2882 participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline

Frequencies of implanted systems were measured among patients who were implanted with a device (IPT, ICD or CRT-D).

Outcome measures

Outcome measures
Measure
Implanted Subjects
n=2882 Participants
All patients enrolled in OMNI.
ICD (N=1029)
ICD Patients with MVP enabled and follow up data available
36-month Follow-up
Total subjects with disease progressed at 36 months
48-month Follow-up
Total subjects with disease progressed at 48 months
Implanted Systems Frequencies
EnRhythm (P1501DR)
620 participants
Implanted Systems Frequencies
EnTrust AT (D154ATG)
820 participants
Implanted Systems Frequencies
EnTrust VR (D154VRC)
321 participants
Implanted Systems Frequencies
InSync Sentry (7297)
30 participants
Implanted Systems Frequencies
InSync Sentry (7299)
820 participants
Implanted Systems Frequencies
Intrinsic DR (7288)
271 participants

PRIMARY outcome

Timeframe: Baseline

Pacing mode is based on the NASPE/BPEG Generic (NBG) Pacemake coding which includes: I, the chambers paced (V= Ventricle, A=Atrium, D=Dual (A\&V), O=None); II, the chambers sensed (V= Ventricle, A=Atrium, D=Dual (A\&V), O=None); III, the mode of response (T=Triggered, I=Inhibited, D=Dual Triggered/Inhibited, O=None); IV, the programmable functions(R=Rate Modulated, C=Communicating, M=Multiprogrammable, P=Simple Programmable, O=None); V, the antitachycardia functions (O=None, P=Paced, S=Shocks, D=Dual (P\&S)). In addition, MVP (managed ventricular pacing) is a mode that promotes AV conduction by reducing or eliminating unnecessary RV pacing but maintains dual chamber ventricular support in the event that AV conduction is lost.

Outcome measures

Outcome measures
Measure
Implanted Subjects
n=620 Participants
All patients enrolled in OMNI.
ICD (N=1029)
ICD Patients with MVP enabled and follow up data available
36-month Follow-up
Total subjects with disease progressed at 36 months
48-month Follow-up
Total subjects with disease progressed at 48 months
Implantable Pulse Generator (IPG) Device Baseline Programming Frequencies.
Pacing Mode, DDD/DDDR
81 participants
Implantable Pulse Generator (IPG) Device Baseline Programming Frequencies.
Pacing Mode, DDI/DDIR
4 participants
Implantable Pulse Generator (IPG) Device Baseline Programming Frequencies.
Pacing Mode, MVP_AAIR_DD
380 participants
Implantable Pulse Generator (IPG) Device Baseline Programming Frequencies.
Pacing Mode, MVP_AAI_DDD
148 participants
Implantable Pulse Generator (IPG) Device Baseline Programming Frequencies.
Pacing Mode, VVI/VVIR
7 participants

PRIMARY outcome

Timeframe: Baseline

ICD/CRT-D baseline programming, pacing mode and detection. Pacing mode is based on the NASPE/BPEG Generic (NBG) Pacemake coding which includes: I, the chambers paced (V= Ventricle, A=Atrium, D=Dual (A\&V), O=None); II, the chambers sensed (V= Ventricle, A=Atrium, D=Dual (A\&V), O=None); III, the mode of response (T=Triggered, I=Inhibited, D=Dual Triggered/Inhibited, O=None); IV, the programmable functions(R=Rate Modulated, C=Communicating, M=Multiprogrammable, P=Simple Programmable, O=None); V, the antitachycardia functions (O=None, P=Paced, S=Shocks, D=Dual (P\&S)). In addition, MVP (managed ventricular pacing) is a mode that promotes AV conduction by reducing or eliminating unnecessary RV pacing but maintains dual chamber ventricular support in the event that AV conduction is lost.

Outcome measures

Outcome measures
Measure
Implanted Subjects
n=2262 ICD/CRT-D Devices
All patients enrolled in OMNI.
ICD (N=1029)
ICD Patients with MVP enabled and follow up data available
36-month Follow-up
Total subjects with disease progressed at 36 months
48-month Follow-up
Total subjects with disease progressed at 48 months
ICD/CRT-D Device Baseline Programming Frequencies
Pacing Mode, DDD/DDDR
804 participants
ICD/CRT-D Device Baseline Programming Frequencies
Pacing Mode, DDI/DDIR
21 participants
ICD/CRT-D Device Baseline Programming Frequencies
Pacing Mode, MVP_AAIR_DD
525 participants
ICD/CRT-D Device Baseline Programming Frequencies
Pacing Mode, MVP_AAI_DDD
481 participants
ICD/CRT-D Device Baseline Programming Frequencies
Pacing Mode, VVI/VVIR
424 participants
ICD/CRT-D Device Baseline Programming Frequencies
ATP Status, Before Charging
23 participants
ICD/CRT-D Device Baseline Programming Frequencies
ATP Status, During Charging
1089 participants
ICD/CRT-D Device Baseline Programming Frequencies
ATP Status, Off
26 participants
ICD/CRT-D Device Baseline Programming Frequencies
VF Detection Enable, On
2234 participants
ICD/CRT-D Device Baseline Programming Frequencies
VT Detection Enable, On
1283 participants
ICD/CRT-D Device Baseline Programming Frequencies
VT Detection Enable, Monitor
345 participants
ICD/CRT-D Device Baseline Programming Frequencies
VF Initial NID, 12/16
1176 participants
ICD/CRT-D Device Baseline Programming Frequencies
VF Initial NID, 18/24
1077 participants
ICD/CRT-D Device Baseline Programming Frequencies
VF Initial NID, 24/32
2 participants
ICD/CRT-D Device Baseline Programming Frequencies
FVT Detection On via VF zone
829 participants
ICD/CRT-D Device Baseline Programming Frequencies
FVT Detection On via VT zone
27 participants

PRIMARY outcome

Timeframe: Baseline

ICD/CRT-D baseline programming measurements, detection interval. Implanted Cardioverter/Defibrillator paces a patient's heart in a tachyarrhythmia prevention-pacing mode. Detection intervals are used to detect atrial tachyarrhythmia. Detection Intervals are programmable heart rate thresholds. R-R intervals that are less than the VT or VF detection intervals (in ms) are considered evidence of VT or VF, respectively. R-R intervals that are between the FVT and the VF detection intervals are considered evidence of FVT. Thus, these detection interval thresholds demarcate rate zones of detection. The rate zones are used to determine the type of therapy applied once detection occurs.

Outcome measures

Outcome measures
Measure
Implanted Subjects
n=2262 Participants
All patients enrolled in OMNI.
ICD (N=1029)
ICD Patients with MVP enabled and follow up data available
36-month Follow-up
Total subjects with disease progressed at 36 months
48-month Follow-up
Total subjects with disease progressed at 48 months
ICD/CRT-D Device Baseline Programming Measurements
Pace AV
168 ms
Standard Deviation 39.2
ICD/CRT-D Device Baseline Programming Measurements
Sense AV
139 ms
Standard Deviation 40.8
ICD/CRT-D Device Baseline Programming Measurements
FVT Detection Interval
260 ms
Standard Deviation 24.6
ICD/CRT-D Device Baseline Programming Measurements
VF Detection Interval
314 ms
Standard Deviation 17.1
ICD/CRT-D Device Baseline Programming Measurements
VT Detection Interval
383 ms
Standard Deviation 25.2

SECONDARY outcome

Timeframe: 12 months post enrollment

Frequencies of subject with AV block over time between ICD and Implantable Pulse Generator(IPG) study participants.

Outcome measures

Outcome measures
Measure
Implanted Subjects
n=610 Participants
All patients enrolled in OMNI.
ICD (N=1029)
n=1029 Participants
ICD Patients with MVP enabled and follow up data available
36-month Follow-up
Total subjects with disease progressed at 36 months
48-month Follow-up
Total subjects with disease progressed at 48 months
AV Block Status by Device Type at 6 and 12 Months.
6 Months: Subjects with MVP enabled, N
441 participants
12.5
815 participants
AV Block Status by Device Type at 6 and 12 Months.
6 Months: AV Block 1st degree
103 participants
167 participants
AV Block Status by Device Type at 6 and 12 Months.
6 Months: AV Block 2nd degree Type I
11 participants
7 participants
AV Block Status by Device Type at 6 and 12 Months.
6 Months: AV Block 2nd degree Type II
19 participants
7 participants
AV Block Status by Device Type at 6 and 12 Months.
6 Months: AV Block 3rd degree Intermittent
39 participants
5 participants
AV Block Status by Device Type at 6 and 12 Months.
6 Months: AV Block 3rd degree Persistent
11 participants
5 participants
AV Block Status by Device Type at 6 and 12 Months.
6 Months: None
250 participants
603 participants
AV Block Status by Device Type at 6 and 12 Months.
12 Months: Subjects with MVP enabled, N
389 participants
732 participants
AV Block Status by Device Type at 6 and 12 Months.
12 Months: AV Block 1st degree
90 participants
159 participants
AV Block Status by Device Type at 6 and 12 Months.
12 Months: AV Block 2nd degree Type I
12 participants
7 participants
AV Block Status by Device Type at 6 and 12 Months.
12 Months: AV Block 2nd degree Type II
7 participants
7 participants
AV Block Status by Device Type at 6 and 12 Months.
12 Months: AV Block 3rd degree Intermittent
30 participants
5 participants
AV Block Status by Device Type at 6 and 12 Months.
12 Months: AV Block 3rd degree Persistent
14 participants
7 participants
AV Block Status by Device Type at 6 and 12 Months.
12 Months: None
216 participants
523 participants

SECONDARY outcome

Timeframe: 4 years post implant

Frequencies of Subjects with AV Block Over Time by Severity of Historical AV Block

Outcome measures

Outcome measures
Measure
Implanted Subjects
n=1098 Participants
All patients enrolled in OMNI.
ICD (N=1029)
n=541 Participants
ICD Patients with MVP enabled and follow up data available
36-month Follow-up
Total subjects with disease progressed at 36 months
48-month Follow-up
Total subjects with disease progressed at 48 months
AV Block Status by Severity of Historical AV Block
48 Months: AV Block 3rd degree Intermittent
0 participants
2 participants
AV Block Status by Severity of Historical AV Block
6 Months: Subjects with MVP enabled
883 participants
373 participants
AV Block Status by Severity of Historical AV Block
6 Months: AV Block 1st degree
49 participants
221 participants
AV Block Status by Severity of Historical AV Block
6 Months: AV Block 2nd degree Type I
1 participants
17 participants
AV Block Status by Severity of Historical AV Block
6 Months: AV Block 2nd degree Type II
1 participants
25 participants
AV Block Status by Severity of Historical AV Block
6 Months: AV Block 3rd degree Intermittent
2 participants
42 participants
AV Block Status by Severity of Historical AV Block
6 Months: AV Block 3rd degree Persistent
3 participants
13 participants
AV Block Status by Severity of Historical AV Block
6 Months: None
818 participants
35 participants
AV Block Status by Severity of Historical AV Block
12 Months: Subjects with MVP enabled
786 participants
335 participants
AV Block Status by Severity of Historical AV Block
12 Months: AV Block 1st degree
73 participants
176 participants
AV Block Status by Severity of Historical AV Block
12 Months: AV Block 2nd degree Type I
0 participants
19 participants
AV Block Status by Severity of Historical AV Block
12 Months: AV Block 2nd degree Type II
1 participants
13 participants
AV Block Status by Severity of Historical AV Block
12 Months: AV Block 3rd degree Intermittent
5 participants
30 participants
AV Block Status by Severity of Historical AV Block
12 Months: AV Block 3rd degree Persistent
3 participants
18 participants
AV Block Status by Severity of Historical AV Block
12 Months: None
689 participants
50 participants
AV Block Status by Severity of Historical AV Block
24 Months: Subjects with MVP enabled
426 participants
146 participants
AV Block Status by Severity of Historical AV Block
24 Months: AV Block 1st degree
51 participants
95 participants
AV Block Status by Severity of Historical AV Block
24 Months: AV Block 2nd degree Type I
0 participants
5 participants
AV Block Status by Severity of Historical AV Block
24 Months: AV Block 2nd degree Type II
0 participants
3 participants
AV Block Status by Severity of Historical AV Block
24 Months: AV Block 3rd degree Intermittent
1 participants
3 participants
AV Block Status by Severity of Historical AV Block
24 Months: AV Block 3rd degree Persistent
0 participants
2 participants
AV Block Status by Severity of Historical AV Block
24 Months: None
362 participants
24 participants
AV Block Status by Severity of Historical AV Block
36 Months: Subjects with MVP enabled
324 participants
105 participants
AV Block Status by Severity of Historical AV Block
36 Months: AV Block 1st degree
58 participants
69 participants
AV Block Status by Severity of Historical AV Block
36 Months: AV Block 2nd degree Type I
1 participants
3 participants
AV Block Status by Severity of Historical AV Block
36 Months: AV Block 2nd degree Type II
0 participants
2 participants
AV Block Status by Severity of Historical AV Block
36 Months: AV Block 3rd degree Intermittent
0 participants
3 participants
AV Block Status by Severity of Historical AV Block
36 Months: AV Block 3rd degree Persistent
0 participants
2 participants
AV Block Status by Severity of Historical AV Block
36 Months: None
253 participants
18 participants
AV Block Status by Severity of Historical AV Block
48 Months: Subjects with MVP enabled
269 participants
92 participants
AV Block Status by Severity of Historical AV Block
48 Months: AV Block 1st degree
59 participants
59 participants
AV Block Status by Severity of Historical AV Block
48 Months: AV Block 2nd degree Type I
0 participants
2 participants
AV Block Status by Severity of Historical AV Block
48 Months: AV Block 2nd degree Type II
0 participants
1 participants
AV Block Status by Severity of Historical AV Block
48 Months: AV Block 3rd degree Persistent
1 participants
2 participants
AV Block Status by Severity of Historical AV Block
48 Months: None
201 participants
17 participants

SECONDARY outcome

Timeframe: 4 years post enrollment

Evaluate the utility of the Antitachycardia Pacing (ATP) During Charging feature of the device.

Outcome measures

Outcome measures
Measure
Implanted Subjects
n=343 Participants
All patients enrolled in OMNI.
ICD (N=1029)
ICD Patients with MVP enabled and follow up data available
36-month Follow-up
Total subjects with disease progressed at 36 months
48-month Follow-up
Total subjects with disease progressed at 48 months
Summary of ATP Episodes Within All Treated Episodes
Number of episodes analyzed from 343 participants
1584 Episodes
Summary of ATP Episodes Within All Treated Episodes
Episodes with ATP attempted
1100 Episodes
Summary of ATP Episodes Within All Treated Episodes
Episodes with Sucessful ATP
650 Episodes

SECONDARY outcome

Timeframe: 4 years post implant

First shock rate for VF and FVT zones was estimated using Kaplan-Meier method. OMNI "PainFREE" definition: programming combinations that result in ATP therapy for ventricular tachycardia (VT) at cycle lengths \<320 ms. Programming at cycle lengths ≥320 ms were not mandated. OMNI "SCD-HeFT" definition: programming combinations that result in shock therapy only for arrhythmias at cycle lengths of \<320 ms or faster and no therapy for arrhythmias at cycle lengths ≥320 ms.

Outcome measures

Outcome measures
Measure
Implanted Subjects
n=1116 Participants
All patients enrolled in OMNI.
ICD (N=1029)
n=462 Participants
ICD Patients with MVP enabled and follow up data available
36-month Follow-up
Total subjects with disease progressed at 36 months
48-month Follow-up
Total subjects with disease progressed at 48 months
Compare First Shock Rate Between Medtronic "PainFREE" Programming and "SCD-HeFT" Programming in Primary Prevention Study Participants.
At implant
0 rate
Standard Deviation 0
0 rate
Standard Deviation 0
Compare First Shock Rate Between Medtronic "PainFREE" Programming and "SCD-HeFT" Programming in Primary Prevention Study Participants.
12 months after implant
0.10 rate
Standard Deviation 0.009
0.15 rate
Standard Deviation 0.017
Compare First Shock Rate Between Medtronic "PainFREE" Programming and "SCD-HeFT" Programming in Primary Prevention Study Participants.
24 months after implant
0.14 rate
Standard Deviation 0.011
0.21 rate
Standard Deviation 0.019
Compare First Shock Rate Between Medtronic "PainFREE" Programming and "SCD-HeFT" Programming in Primary Prevention Study Participants.
36 months after implant
0.18 rate
Standard Deviation 0.013
0.24 rate
Standard Deviation 0.021
Compare First Shock Rate Between Medtronic "PainFREE" Programming and "SCD-HeFT" Programming in Primary Prevention Study Participants.
48 months after implant
0.20 rate
Standard Deviation 0.014
0.27 rate
Standard Deviation 0.023

SECONDARY outcome

Timeframe: 4 years post implant

Estimate the correlation between OptiVol trends and disease progression. A subject's disease status was said to have progressed if: 1. The NYHA classification number increases (example: I to II), or 2. The LVEF decreases by at least 20% (relative difference) and by at least a 5% absolute difference, or 3. The subject expires A subject who crossed OptiVol threshold since last visit was regarded as 'crossed threshold'.

Outcome measures

Outcome measures
Measure
Implanted Subjects
n=488 Participants
All patients enrolled in OMNI.
ICD (N=1029)
n=375 Participants
ICD Patients with MVP enabled and follow up data available
36-month Follow-up
n=326 Participants
Total subjects with disease progressed at 36 months
48-month Follow-up
n=257 Participants
Total subjects with disease progressed at 48 months
Frequencies of Subjects With OptiVol Trends and Disease Progression.
Disease Progressed, N
97 participants
95 participants
93 participants
84 participants
Frequencies of Subjects With OptiVol Trends and Disease Progression.
Crossed Threshold, N
382 participants
327 participants
287 participants
224 participants

Adverse Events

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

Melinda Hoey, Clinical Research Specialist

Medtronic Cardiac Rhythm Disease Management

Phone: 763-526-2831

Results disclosure agreements

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