WiCS-LV Post Market Surveillance Registry

E

EBR Systems

Status

Active, not recruiting

Conditions

Cardiac Resynchronization Therapy

Treatments

Device: WiCS-LV System

Study type

Observational

Funder types

Industry

Identifiers

NCT02610673
EBR-02821

Details and patient eligibility

About

This is an observational, prospective, non-randomized collection of defined clinical data under normal conditions of use for the WiCS-LV System, an implantable cardiac pacing system capable of delivering pacing energy to the left ventricle of the heart without using a pacing lead. Patients will be enrolled and followed according to standard of care for 5 years.

Full description

A clinical registry will be used to collect data from all implanted patients, at all follow-ups and across all implanting centers. Implant procedure will be according to the 'Instruction for Use' of the system and assessments and follow-ups according the best clinical practice. Anonymized data will be collected on Case Report Forms (CRF) for each patient in the registry. These data will be collected at the time of implant and at scheduled patient in-clinic follow-ups of 1 week, 3 months, 6 months, and 1, 2,3,4,5 years post implant. Patients entering the registry will be given a Registry code suitable to uniquely identify the patient, the implanting center, and the responsible physician. Data will be consolidated into a dataset by the sponsor for analysis purposes. The sponsor may request support from the center to review patient records in order to monitor the data in cases where the data appears incomplete or appears to be inaccurate. The data set will be consolidated such that each implanting center may access its own data, or as mutually agreed between centers, aggregate data. Data may be used by centers for purposes of publication or other objectives of the center.

Enrollment

100 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Patients with heart failure meeting standard criteria for CRT based upon the current European Society of Cardiology / European Heart Rhythm Association (ESC/EHRA) guidelines and meeting criteria in one of these categorizations:

Untreated by conventional CRT:

This includes:

  • Patients that have had an attempted but failed CS lead implant due to such complications as venous occlusion, difficult CS access or anatomy, poor lead stability or previous CS repositioning procedures.
  • Patients with a previously implanted CS lead that is programmed off due to such complications as high pacing threshold, non-capture, phrenic nerve stimulation, lead failure, lead dislodgement, or other justifications due to lead issues documented by the prescribing physician.

Non-responder to conventional CRT

This includes:

• Patients with a previously implanted CRT device who based on prescribing physician judgment experience no change or worsening of heart failure symptoms or no change or worsening of NYHA functional class after 6 months of CRT treatment.

Upgrade:

This includes:

  • Patients that have a relative contraindication for a CS lead implant such as difficult subclavian access, venous thrombosis, venous occlusion, risk of lead dislodgment, or other justification documented by the prescribing physician.
  • Patients that have a relative contraindication for revising an implanted device to a CRT device such as previous pocket erosion, previous pocket infection, previous explantations, or other justifications documented by the prescribing physicians.
  • Patients with other justifications based upon the prescribing physician's judgment of risk to reopening the device pocket including consideration for the remaining longevity of the pacemaker/ICD battery.

Exclusion criteria

Triple anticoagulation therapy (warfarin, clopidogrel, ASA, or other agents) Stage 4 or 5 renal dysfunction defined as GFR <30 Grade 4 mitral valve regurgitation Thrombocytopenia (platelet count <150,000) Non-ambulatory (or unstable) NYHA class 4 Contraindication to heparin Contraindication to both chronic anticoagulants and antiplatelet agents Contraindication to iodinated contrast agents Insufficient acoustic window to the LV as assessed from diagnostic transthoracic echocardiography Left atrial or left ventricular thrombus Attempted implant of a Pacemaker, ICD, or CRT device within 3 days Life expectancy < 12 months Chronic hemodialysis Myocardial infarction within one month Major cardiac surgery within one month Incompatible electrical stimulation therapy devices, for example transcutaneous electrical nerve stimulation (TENS) or other neurological stimulation devices Exposure to magnetic resonance imaging (MRI) Use of diathermy Use of therapeutic ultrasound Use of echocardiography imaging using vascular, intracardiac, Doppler, and trans-esophageal probes and systems Use of ionizing radiation treatments

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Trial contacts and locations

3

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Data sourced from clinicaltrials.gov

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