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Attain Performa(TM) Quadripolar Lead Study

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. Identifier: NCT01751022
Recruitment Status : Completed
First Posted : December 17, 2012
Results First Posted : December 5, 2016
Last Update Posted : December 5, 2016
Information provided by (Responsible Party):
Medtronic Cardiac Rhythm and Heart Failure

Brief Summary:
The purpose of the study is to evaluate the safety and efficacy of the Medtronic Attain Performa Quadripolar Leads (Model 4298, 4398, and 4598) during and post the implant procedure. This study will also assess the interactions of the Attain Performa leads with the entire Medtronic CRT-D system.

Condition or disease Intervention/treatment Phase
Heart Failure Device: Device: Attain Performa Pacing Lead (along with a standard CRT-D system) Not Applicable

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 1202 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Attain Performa(TM) Quadripolar Lead Study
Study Start Date : December 2012
Actual Primary Completion Date : February 2015
Actual Study Completion Date : February 2015

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Heart Failure

Arm Intervention/treatment
Experimental: Attain Performa LV Lead (Models 4298, 4398, 4598)
N/A: single arm study, separate analysis for each lead model (total of 3).
Device: Device: Attain Performa Pacing Lead (along with a standard CRT-D system)
Implant and follow-up of study lead, separate analysis for each lead model

Primary Outcome Measures :
  1. Lead Complication-free Rate at 6 Months [ Time Frame: Implant to 6 months post-implant ]

    The three Attain Performa LV leads models are evaluated separately. The primary safety objective is listed as following:

    - Model 4298/4398: The Attain Performa Model 4298/4398 lead will be considered safe if the probability of subjects freed of Attain Performa lead-related complications at 6 months post-implant is greater than 87% (i.e., the one-sided 97.5% lower confidence bound must be greater than 87%).

    - Model 4598: The safety performance of the Attain Performa Model 4598 lead will be characterized by summarizing the probability of subjects who are free from Attain Performa LV lead related complications at 6 months.

    The lower boundaries of the 97.5% confidence intervals for the all lead models are greater than the pacing threshold of 87%, thus concluding that the crtiera was met for all lead models.

  2. LV Pacing Capture Thresholds Per Attain Performa Lead Model [ Time Frame: 6 months post-implant ]

Secondary Outcome Measures :
  1. Percentage of Subjects With Presence of PNS in All LV Lead Pacing Polarities [ Time Frame: 6 months post-implant ]
    Percentage of patients with presence of PNS in all LV lead pacing polarities at 8.0 V at 0.5ms performed at 6-month visit.

  2. Percentage of Subjects With Successful Implant Per Attain Performa Lead Model [ Time Frame: Implant up to 1-month post implant ]
  3. Rate of Overall Acceptable Lead Handling Per Attain Performa Lead Model [ Time Frame: Implant up to 1-month post implant ]
  4. Pacing Capture Thresholds at the Final Programmed Pacing Polarity [ Time Frame: 6 months post-implant ]
  5. Implant Related Times Per Attain Performa Lead Model [ Time Frame: Implant up to 1-month post implant ]
  6. Pacing Impedance at the Final Programmed Pacing Polarity [ Time Frame: 6 month post-implant ]

    Pacing impedance for each LV pacing polarity. Noticed that pacing impedance values are not recorded for reversed LV pacing polarities, since impedance from LV1 to LV2 is the same as from LV2 to LV1.

    Impedance is a measurement of current/resistance between the pacing lead and the cardiac tissue (measured in Ohms).

  7. Complication Rate for Individual Attain Performa Lead Related Events [ Time Frame: 6 month post-Implant ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patient is indicated for implant of a CRT-D device and left-heart lead per local indications (In US only this is based on Class I and II indications for CRT-D implant per HRS/ACC/AHA guidelines)
  • Patient (or legally authorized representative) has signed and dated the study-specific Consent Form
  • Patient is 18 years of age or older, or is of legal age to give informed consent per local and national law
  • Patient is expected to remain available for follow-up visits
  • Patient understands the study and agrees to comply with study protocol

Exclusion Criteria:

  • Patient has a previous LV lead implanted or previous implant attempt within 30 days of enrollment or has ongoing AEs from a previous unsuccessful implant attempt
  • Patient has contraindications for standard transvenous cardiac pacing (e.g., mechanical right heart valve)
  • Patient has had a heart transplant (Note: Patients waiting for heart transplants are allowed in the study)
  • Patient is contraindicated for < 1 mg dexamethasone acetate
  • Patient is currently enrolled or planning to participate in a potentially confounding drug or device study during the course of this study. (Note: Co-enrollment in concurrent studies may be allowed provided that documented pre-approval is obtained from Medtronic's study manager)
  • Patient has a life expectancy less than 180 days
  • Patient with exclusion criteria required by local law (e.g. age, pregnancy, breast feeding, etc.)

    • In US, women of childbearing potential must have a negative pregnancy test 7 days prior to implant to be included
  • Patient is unable to tolerate an urgent thoracotomy

Information from the National Library of Medicine

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 identifier (NCT number): NCT01751022

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Sponsors and Collaborators
Medtronic Cardiac Rhythm and Heart Failure

Responsible Party: Medtronic Cardiac Rhythm and Heart Failure Identifier: NCT01751022     History of Changes
Other Study ID Numbers: Attain Performa(TM)
First Posted: December 17, 2012    Key Record Dates
Results First Posted: December 5, 2016
Last Update Posted: December 5, 2016
Last Verified: October 2016

Keywords provided by Medtronic Cardiac Rhythm and Heart Failure:
heart failure
cardiac pacing
cardiac resynchronization therapy
left ventricular lead

Additional relevant MeSH terms:
Heart Failure
Heart Diseases
Cardiovascular Diseases