Quadripolar Pacing Post Approval Study (Quad PAS)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT01555619 |
Recruitment Status :
Completed
First Posted : March 15, 2012
Last Update Posted : April 16, 2019
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Condition or disease | Intervention/treatment |
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Heart Failure | Device: CRT-D System |
Study Type : | Observational |
Actual Enrollment : | 1971 participants |
Observational Model: | Case-Only |
Time Perspective: | Prospective |
Official Title: | Quadripolar Pacing Post Approval Study |
Actual Study Start Date : | February 15, 2012 |
Actual Primary Completion Date : | February 28, 2019 |
Actual Study Completion Date : | February 28, 2019 |
Group/Cohort | Intervention/treatment |
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CRT-D System
St. Jude Medical (SJM) Promote® Q/Promote® Quadra/Unify Quadra™ CRT-D system.
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Device: CRT-D System
Implantation of a CRT-D System
Other Name: CRT-D and LV pacing lead |
- Complication free survival rate related to the CRT-D system [ Time Frame: 5 years ]Complication free survival rate through 5 years for complications related to the CRT-D system
- Complication free survival rate related to the LV lead [ Time Frame: 5 years ]Complication free survival rate at 5 years for complications related to the LV lead
- Mean programmed LV lead pacing capture threshold [ Time Frame: 5 years ]Mean programmed LV lead pacing capture threshold at 5 years

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Approved indication per current American College of Cardiology/American Heart Association/Heart Rhythm Society guidelines for implantation of a CRT-D system for treatment of heart failure or life threatening ventricular tachyarrhythmia(s).
- Participated in the Promote® Q CRT-D and Quartet™ Left Ventricular Heart Lead Study (Investigational Device Exemption (IDE) study), or are receiving a new Quadripolar CRT-D device system implant or are undergoing an upgrade from an existing implantable cardioverter-defibrillator or pacemaker implant with no prior LV lead placement.
- Have the ability to provide informed consent for study participation and be willing and able to comply with the prescribed follow-up tests and schedule of evaluations
Exclusion Criteria:
- Have a hypersensitivity to a single 1.0mg dose of dexamethasone sodium phosphate
- Have a life expectancy of less than 5 years due to any condition
- Be less than 18 years of age

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01555619

Study Chair: | Raffaele Corbisiero, MD | Deborah Heart and Lung Center |
Responsible Party: | Abbott Medical Devices |
ClinicalTrials.gov Identifier: | NCT01555619 |
Other Study ID Numbers: |
60030283 |
First Posted: | March 15, 2012 Key Record Dates |
Last Update Posted: | April 16, 2019 |
Last Verified: | April 2019 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | Yes |
Left heart pacing lead Cardiac resynchronization therapy (CRT) Heart Failure Quadripolar pacing |
Heart Failure Heart Diseases Cardiovascular Diseases |