Skip to content

SJ4 Post Approval Study in Implantable Cardioverter-Defibrillator and Cardiac Resynchronization Therapy Defibrillator Patients

SJ4 Post Approval Study

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT00940888
Enrollment
1701
Registered
2009-07-16
Start date
2009-06-30
Completion date
2015-12-31
Last updated
2019-02-04

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

Conditions

Heart Failure, Sudden Cardiac Death, Tachyarrhythmias

Keywords

ICD, CRTD, Heart Failure, DF4

Brief summary

The purpose of this study is to characterize the chronic performance of the St. Jude Medical SJ4 connector and RV high voltage SJ4 leads.

Interventions

DEVICESJ4 connector and RV high voltage SJ4 lead

Standard of care implantation of SJ4 device system

Sponsors

Abbott Medical Devices
Lead SponsorINDUSTRY

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

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

Inclusion criteria

* Have an approved indication per ACC/AHA/HRS guidelines for implantation of heart failure or life-threatening ventricular tachyarrhythmias and will be implanted with a St. Jude Medical SJ4 system. * Have the ability to provide informed consent for study participating and be willing and able to comply with the prescribed follow-up test and schedule of evaluations.

Exclusion criteria

* Be currently participating in a clinical investigation that includes an active treatment arm. * Have a life expectancy of less than 6 months due to any condition. * Be less than 18 years of age.

Design outcomes

Primary

MeasureTime frame
Right Ventricle (RV) Bipolar Capture Thresholds5 years
Complication Free Survival Rate Related to the High Voltage RV SJ4 Lead or SJ4 Connector5 years

Countries

United States

Participant flow

Participants by arm

ArmCount
SJ4 System Implanted
SJ4 connector and RV high voltage SJ4 lead (SJ4 system) were implanted in subjects who received a standard of care ICD or CRT-D system for the treatment of heart failure or life-threatening ventricular tachyarrhythmia(s).
1,701
Total1,701

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyDeath461
Overall StudyLost to Follow-up6
Overall StudyUnsuccessful Implant4
Overall StudyWithdrawn - Non-Death364

Baseline characteristics

CharacteristicSJ4 System Implanted
Age, Continuous65 years
STANDARD_DEVIATION 13
Left Ventricular (LV) Ejection Fraction (%)29 Percentage
STANDARD_DEVIATION 12
New York Heart Association (NYHA) Class
Class 1
94 participants
New York Heart Association (NYHA) Class
Class 2
541 participants
New York Heart Association (NYHA) Class
Class 3
816 participants
New York Heart Association (NYHA) Class
Class 4
29 participants
New York Heart Association (NYHA) Class
Not Available
221 participants
Primary Indication for Device Implant
CRT-D Upgrade
65 participants
Primary Indication for Device Implant
DEFINITE
5 participants
Primary Indication for Device Implant
Familial Condition
31 participants
Primary Indication for Device Implant
HF Without QRS
45 participants
Primary Indication for Device Implant
HF Without Sinus Rhythm
70 participants
Primary Indication for Device Implant
HF With Wide QRS
484 participants
Primary Indication for Device Implant
ICD Upgrade
44 participants
Primary Indication for Device Implant
MADIT II
228 participants
Primary Indication for Device Implant
Not Available
1 participants
Primary Indication for Device Implant
PAVE
14 participants
Primary Indication for Device Implant
Physician Designated
19 participants
Primary Indication for Device Implant
SCD-HeFT
409 participants
Primary Indication for Device Implant
Syncope
39 participants
Primary Indication for Device Implant
VF
83 participants
Primary Indication for Device Implant
VT
164 participants
Race/Ethnicity, Customized
American Indian Or Alaska Native
1 participants
Race/Ethnicity, Customized
Asian
20 participants
Race/Ethnicity, Customized
Black or African American
235 participants
Race/Ethnicity, Customized
Hispanic/ Black (Puerto Rican)
1 participants
Race/Ethnicity, Customized
Hispanic or Latino
53 participants
Race/Ethnicity, Customized
Iranian
1 participants
Race/Ethnicity, Customized
Middle Eastern
1 participants
Race/Ethnicity, Customized
Native Hawaiian or Pacific Islander
4 participants
Race/Ethnicity, Customized
Other- Non Hispanic
2 participants
Race/Ethnicity, Customized
Persian
1 participants
Race/Ethnicity, Customized
White
1382 participants
Region of Enrollment
United States
1701 participants
Sex: Female, Male
Female
482 Participants
Sex: Female, Male
Male
1219 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
376 / 1,701
serious
Total, serious adverse events
0 / 1,701

Outcome results

Primary

Complication Free Survival Rate Related to the High Voltage RV SJ4 Lead or SJ4 Connector

Time frame: 5 years

ArmMeasureValue (NUMBER)
SJ4 System ImplantedComplication Free Survival Rate Related to the High Voltage RV SJ4 Lead or SJ4 Connector96.4 percentage of patients
Primary

Right Ventricle (RV) Bipolar Capture Thresholds

Time frame: 5 years

Population: Study participants with RV bipolar capture threshold at the 5 year follow up visit.

ArmMeasureValue (MEAN)
SJ4 System ImplantedRight Ventricle (RV) Bipolar Capture Thresholds0.92 Volts

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