- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01221649
Monitoring of Fluid Status in Heart Failure Patients by Intrathoracic Impedance Measurement in Japan (J-HomeCARE II)
Monitoring of Fluid Status in Heart Failure Patients by Intrathoracic Impedance Measurement in Japan
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The new BIOTRONIK ICD family Lumax 540 is capable of measuring the intrathoracic impedance on a daily basis and transmission of impedance trend data via the Home Monitoring technology. In future, this will allow for automatic early detection of imminent decompensation at a presymptomatic stage and immediate initialization of clinical meaningful therapeutic interventions preventing heart failure related hospitalizations. The aim of this investigation is to record long-term impedance trends in heart failure patients with and without HF related events (hospitalizations due to acute decompensation) in order to develop algorithms for device-based early detection and warning of HF deterioration accompanied by pulmonary congestion.
Lumax is the name of a family of implantable ICDs. The primary objective of the therapy is the prevention of sudden cardiac death. The aim is to automatically detect and terminate cardiac arrest caused by ventricular tachyarrhythmia. All major therapeutical approaches from the field of cardiology and electrophysiology are contained within the Lumax family.
Furthermore, the device is capable of treating bradycardia arrhythmias and congestive heart failure. Congestive heart failure is treated with cardiac resynchronization therapy with multisite ventricular pacing known as cardiac resynchronization therapy (CRT).
The integrated Home Monitoring component can provide information about occurring rhythm disturbances and delivered therapies close to real time as well as by intracardiac electrogram (IEGM) Online HD®. Furthermore, statistical data about the patient's condition as well as information about the integrity status of the implant itself are sent.
The implantation of an ICD is a symptomatic therapy with the following objectives:
Termination of spontaneous ventricular fibrillation (VF) through shock delivery Termination of spontaneous ventricular tachycardia (VT) by means of antitachycardia pacing (ATP); in case of ineffective ATP or hemodynamically not tolerated VT with shock delivery Cardiac resynchronization by multisite ventricular pacing (triple-chamber implant) Compensation of bradycardia through ventricular (single-chamber implant) or atrioventricular sequential pacing (dual- and triple-chamber implant)
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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Hiroshima, Japan
- Hiroshima Shimin Hospital
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Tokyo, Japan
- Tokyo Women's Medical University
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Fukuoka
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Kitakyushu, Fukuoka, Japan, 802-8555
- Kokura Kinen Hospital
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Mie
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Ise, Mie, Japan, 516-0805
- Yamada Red Cross Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patient eligible for 1-, 2- or 3-chamber ICD implantation according to current guidelines or patient already implanted with a Lumax 540 device or successor
- New York Heart Association (NYHA)-class II to IV
- Left ventricular ejection fraction (LVEF) lower or equal to 35%
- Patient accepts Home Monitoring concept and has sufficient Global System for Mobile Communications (GSM) /General Packet Radio Service (GPRS) net coverage
- Increased risk for HF-related hospitalization according to pre-defined criteria
- Patient information
- Informed consent
Exclusion Criteria:
- Age < 18 years
- Contraindication for ICD implantation
- Post heart transplant (HTX) or actively listed for HTX
- Cardiac surgery within the previous 3 months or planned at time of inclusion
- Acute coronary syndrome within the previous 3 months
- Chronic renal dialysis
- Pregnant or breast-feeding women
- Limited contractual capability
- Participation in another study
- Anticipated non-compliance with the follow-up scheme
- Life expectancy not longer than 1.5 years due to a non-cardiac disease
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
HF Events
Time Frame: 21 months follow-up
|
Long-term impedance trends in patients with clinically relevant HF events, to support the development of impedance based detection algorithms.
A posterior assessment of sensitivity and false alarm rate of the detection algorithms.
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21 months follow-up
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Shoda Morio, DR, Tokyo Women's University Hospital
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- JHC2
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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