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Clinical Trial Summary

To demonstrate a reduction in the number of ventricular therapies (ATP and Shocks) delivered for treating spontaneous arrhythmia episodes with a fast cycle length (CL≤ 320ms) as a consequence of self-termination and better arrhythmia discrimination due to a greater number of R-R intervals necessary to detect ventricular events.


Clinical Trial Description

Primary Objective:

The primary objective is to demonstrate a 20% reduction of ventricular therapies (ATP and Shocks) delivered for treating spontaneous arrhythmia episodes with a fast cycle length (CL ≤ 320 ms) by choosing a number of 30 out of 40 intervals to detect (NID) compared to a NID of 18 out of 24 in subjects with either Class I or IIA indication for ICD implantation, regardless of cardiac resynchronization capabilities.

Secondary Objectives:

1. Evaluate the percent reduction in the number of shocks delivered per subject for treating spontaneous episodes with a fast cycle length (CL ≤ 320 ms) and for spontaneous ventricular episodes.

2. Evaluate the efficacy of ATP in successfully treating spontaneous ventricular episodes (CL: 200ms-320ms) for subjects in primary and secondary prevention in both arms of the study.

3. Evaluate acceleration rate or degeneration into VF of spontaneous episodes (CL of 200ms-320ms) due to ATP therapy in the two study arms.

4. Compare the likelihood of syncopal events associated with spontaneous episodes with a fast cycle length (CL ≤ 320 ms).

5. Describe the economic impact and the quality of life consequences. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00617175
Study type Interventional
Source Medtronic Bakken Research Center
Contact
Status Completed
Phase Phase 4
Start date March 2008
Completion date February 2012

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