Insertable Cardiac Monitors in Hypertrophic Cardiomyopathy

NCT ID: NCT03259113

Last Updated: 2017-08-25

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-08-16

Study Completion Date

2019-04-16

Brief Summary

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Hypertrophic cardiomyopathy (HCM) is associated with sudden cardiac death and an increased risk of atrial fibrillation and subsequent embolic event. An insertable cardiac monitor will provide data on cardiac rhythm over a period of 18 months. This will provide an extended monitoring far longer than 24-48 hours of Holter monitoring as is currently usual care. Therefore, detection of arrhythmias could be used in risk stratification and decision-making with regard to offer an implantable defibrillator and anticoagulants.

Detailed Description

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Detection of non-sustained ventricular tachycardia (NSVT) and atrial fibrillation (AF) using an insertable cardiac device monitor (SJM Confirm XT) which is connected to the patients smart phone and monitored for 18 months.

Conditions

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Hypertrophic Cardiomyopathy

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Consecutive insertable cardiac monitors in 30 patients with hypertrophic cardiomyopathy
Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Insertable cardiac monitor

All patients will undergo monitoring using an insertable cardiac monitor (single arm)

Group Type OTHER

Insertable cardiac monitor

Intervention Type DEVICE

Insertable cardiac monitor (SJM Confirm Rx) subcutaneously.

Interventions

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Insertable cardiac monitor

Insertable cardiac monitor (SJM Confirm Rx) subcutaneously.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* hypertrophic cardiomyopathy

Exclusion Criteria

* aortic stenosis (moderate, severe)
* hypertrophic cardiomyopathy associated with metabolic disease (e.g. Fabry) and syndromes (e.g. Noonan)
* systolic heart failure
* cardiac device (previous pacemaker, implantable defibrillator )
* history of myocardial infarction
* percutaneous coronary intervention and/or coronary artery by-pass grafting
* pulmonary vein isolation, Maze surgery, ventricular tachycardia ablation, ectopic atrial tachycardia ablation
* renal clearance below 40
* malignancy or other comorbidity with less than five years life expectancy
* pregnancy of planned within 18 months
* drug addiction, severe mental disease
* not able to participate in 18 months follow-up
* 5 years risk more than 6% according HCM risk calculator of European Society of Cardiology guidelines.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Abbott Medical Devices

INDUSTRY

Sponsor Role collaborator

Norrlands University Hospital

OTHER

Sponsor Role collaborator

Region Gävleborg

OTHER

Sponsor Role lead

Responsible Party

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Peter Magnusson

MD

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Stellan Mörner, MD PhD

Role: PRINCIPAL_INVESTIGATOR

Norrlands Universitetssjukhus

Peter Magnusson, MD

Role: PRINCIPAL_INVESTIGATOR

Region Gävleborg

Locations

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Region Gavleborg

Gävle, , Sweden

Site Status RECRUITING

Countries

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Sweden

Central Contacts

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Peter Magnusson, MD

Role: CONTACT

+46705089407

Stellan Mörner, MD PhD

Role: CONTACT

+46730591068

Facility Contacts

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Peter Magnusson, M.D.

Role: primary

+46705089407

Stellan Mörner, M.D. Ph.D

Role: backup

+46730591068

References

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Elliott PM, Gimeno JR, Thaman R, Shah J, Ward D, Dickie S, Tome Esteban MT, McKenna WJ. Historical trends in reported survival rates in patients with hypertrophic cardiomyopathy. Heart. 2006 Jun;92(6):785-91. doi: 10.1136/hrt.2005.068577. Epub 2005 Oct 10.

Reference Type BACKGROUND
PMID: 16216855 (View on PubMed)

Maron BJ, Casey SA, Hauser RG, Aeppli DM. Clinical course of hypertrophic cardiomyopathy with survival to advanced age. J Am Coll Cardiol. 2003 Sep 3;42(5):882-8. doi: 10.1016/s0735-1097(03)00855-6.

Reference Type BACKGROUND
PMID: 12957437 (View on PubMed)

Maron BJ, Olivotto I, Spirito P, Casey SA, Bellone P, Gohman TE, Graham KJ, Burton DA, Cecchi F. Epidemiology of hypertrophic cardiomyopathy-related death: revisited in a large non-referral-based patient population. Circulation. 2000 Aug 22;102(8):858-64. doi: 10.1161/01.cir.102.8.858.

Reference Type BACKGROUND
PMID: 10952953 (View on PubMed)

Kofflard MJ, Ten Cate FJ, van der Lee C, van Domburg RT. Hypertrophic cardiomyopathy in a large community-based population: clinical outcome and identification of risk factors for sudden cardiac death and clinical deterioration. J Am Coll Cardiol. 2003 Mar 19;41(6):987-93. doi: 10.1016/s0735-1097(02)03004-8.

Reference Type BACKGROUND
PMID: 12651046 (View on PubMed)

Elliott PM, Sharma S, Varnava A, Poloniecki J, Rowland E, McKenna WJ. Survival after cardiac arrest or sustained ventricular tachycardia in patients with hypertrophic cardiomyopathy. J Am Coll Cardiol. 1999 May;33(6):1596-601. doi: 10.1016/s0735-1097(99)00056-x.

Reference Type BACKGROUND
PMID: 10334430 (View on PubMed)

American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines; American Association for Thoracic Surgery; American Society of Echocardiography; American Society of Nuclear Cardiology; Heart Failure Society of America; Heart Rhythm Society; Society for Cardiovascular Angiography and Interventions; Society of Thoracic Surgeons; Gersh BJ, Maron BJ, Bonow RO, Dearani JA, Fifer MA, Link MS, Naidu SS, Nishimura RA, Ommen SR, Rakowski H, Seidman CE, Towbin JA, Udelson JE, Yancy CW. 2011 ACCF/AHA guideline for the diagnosis and treatment of hypertrophic cardiomyopathy: executive summary: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines. J Thorac Cardiovasc Surg. 2011 Dec;142(6):1303-38. doi: 10.1016/j.jtcvs.2011.10.019. No abstract available.

Reference Type BACKGROUND
PMID: 22093712 (View on PubMed)

Authors/Task Force members; Elliott PM, Anastasakis A, Borger MA, Borggrefe M, Cecchi F, Charron P, Hagege AA, Lafont A, Limongelli G, Mahrholdt H, McKenna WJ, Mogensen J, Nihoyannopoulos P, Nistri S, Pieper PG, Pieske B, Rapezzi C, Rutten FH, Tillmanns C, Watkins H. 2014 ESC Guidelines on diagnosis and management of hypertrophic cardiomyopathy: the Task Force for the Diagnosis and Management of Hypertrophic Cardiomyopathy of the European Society of Cardiology (ESC). Eur Heart J. 2014 Oct 14;35(39):2733-79. doi: 10.1093/eurheartj/ehu284. Epub 2014 Aug 29. No abstract available.

Reference Type BACKGROUND
PMID: 25173338 (View on PubMed)

Magnusson P, Morner S. EvaLuation Using Cardiac Insertable Devices And TelephonE in Hypertrophic Cardiomyopathy (ELUCIDATE HCM): A prospective observational study on incidence of arrhythmias. J Cardiovasc Electrophysiol. 2021 Jan;32(1):129-135. doi: 10.1111/jce.14792. Epub 2020 Nov 4.

Reference Type DERIVED
PMID: 33108031 (View on PubMed)

Other Identifiers

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20171331

Identifier Type: -

Identifier Source: org_study_id

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