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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00746356
Other study ID # 40005027
Secondary ID IDE # G080060Doc
Status Completed
Phase N/A
First received
Last updated
Start date August 2008
Est. completion date January 2010

Study information

Verified date February 2019
Source Abbott Medical Devices
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is a prospective, non-randomized, multi-center clinical trial that will assess the safety and effectiveness of investigational models of the Promote™ RF CRT-D and Current™ RF ICD devices. These new ICD and CRT-D devices have new features that allow the device to periodically check how much energy is needed to pace a patient's heart and to automatically adjust the amount of energy used to pace the heart.


Description:

All patients enrolled in the study will have their device tested to determine if the device can automatically measure how much energy is needed to pace the patient's heart. If the test is successful, the patient's device will be programmed to turn that feature on. 3 months after enrollment, the patient will return to the clinic to have their device re-tested using an automatic test method to measure the amount of energy needed to make the patient's heart beat. A manual test method will also be used to measure the amount of energy needed to make the patient's heart beat. The intent of the study is to show the automatic method works just as well as the manual method.


Recruitment information / eligibility

Status Completed
Enrollment 128
Est. completion date January 2010
Est. primary completion date May 2009
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Have an approved indication, as outlined by American Heart Association/Heart Rhythm Society (AHA/HRS) guidelines, for implantation of an ICD or CRT-D for the treatment of life-threatening ventricular tachyarrhythmia(s) or heart failure, or undergo revision of their ICD or CRT-D system to replace the pulse generator.

- 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 classification of Status 1 for cardiac transplantation or consideration for transplantation over the next 3 months.

- Have had a recent myocardial infarction, unstable angina or cardiac revascularization (percutaneous transluminal coronary angioplasty (PTCA), Stent or Coronary Artery Bypass Graft(CABG)) within 40 days of enrollment.

- Have had a recent cerebrovascular accident (CVA) or transient ischemic attack (TIA) within 3 months of enrollment.

- Are allergic to dexamethasone sodium phosphate (DSP).

- Be currently participating in a clinical investigation that includes an active treatment arm.

- Be pregnant or are planning for pregnancy within 6 months following enrollment.

- Have a life expectancy of less than 6 months.

- Be less than 18 years of age.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Testing of the autocapture features of the device
Patients receiving cardiac resynchronization therapy will have new autocapture features tested on right atrial, right ventricular and left ventricular leads.
Testing of the autocapture features of the device
Patients with an Implantable Cardioverter Defibrillator will have new autocapture features tested on the right atrial and right ventricular leads.

Locations

Country Name City State
United States Deborah Heart and Lung Center Browns Mills New Jersey
United States Arkanasas Heart Hospital Little Rock Arkansas
United States Baptist Health Hospital Little Rock Arkansas
United States St. Thomas Hospital Nashville Tennessee
United States Southwest Texas Methodist Hospital San Antonio Texas

Sponsors (1)

Lead Sponsor Collaborator
Abbott Medical Devices

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Percentage of Participants Free of System-related Complications at 3-months Post Implant 3 months post implant
Primary Atrial AutoCapture (ACap) Confirm Effectiveness Endpoint - Absolute Difference Between the Automatic and Manual Capture Threshold Test Atrial AutoCapture Confirm is an automatic test that the device performs without any interaction by the physician and is one of the features being evaluated in the study. The test temporarily decreases the atrial pacing voltage until it determines that the device is no longer capturing the atria. That value is reported to the physician when the device is read by the programmer. This endpoint looks at the absolute difference between this automated test and a manual test in which the physician decreases the atrial pulse voltage and determines the atrial threshold by viewing the EKG. 3 months post implant
Primary Ventricular Autocapture Effectiveness Endpoint - Absolute Difference Between the Automatic and Manual Capture Threshold Test Ventricular AutoCapture is an automatic test that the device performs without any interaction by the physician and is one of the features being evaluated in the study. The test temporarily decreases the ventricular pacing voltage until it determines that the device is no longer capturing the ventricles. That value is reported to the physician when the device is read by the programmer. This endpoint looks at the absolute difference between this automated test and a manual test in which the physician decreases the ventricular pulse voltage and determines the ventricular threshold by viewing the EKG. 3 months post implant
Primary Right Ventricular (RV) AutoCapture Effectiveness Endpoint - Difference Between the Automatic and Manual Capture Threshold Test Right Ventricular AutoCapture is an automatic test that the device performs without any interaction by the physician and is one of the features being evaluated in the study. The test temporarily decreases the ventricular pacing voltage until it determines that the device is no longer capturing the ventricles. That value is reported to the physician when the device is read by the programmer. This endpoint looks at the absolute difference between this automated test and a manual test in which the physician decreases the ventricular pulse voltage and determines the ventricular threshold by viewing the EKG. 3 months post implant
Primary Left Ventricular (LV) AutoCapture Effectiveness Endpoint - Difference Between the Automatic and Manual Capture Threshold Test Left Ventricular AutoCapture is an automatic test that the device performs without any interaction by the physician and is one of the features being evaluated in the study. The test temporarily decreases the ventricular pacing voltage until it determines that the device is no longer capturing the ventricles. That value is reported to the physician when the device is read by the programmer. This endpoint looks at the absolute difference between this automated test and a manual test in which the physician decreases the ventricular pulse voltage and determines the ventricular threshold by viewing the EKG. 3 months post implant
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