Pressure Wire Guided Cardiac Resynchronisation Therapy

NCT ID: NCT01464502

Last Updated: 2017-04-04

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

PHASE2/PHASE3

Total Enrollment

282 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-09-30

Study Completion Date

2018-04-30

Brief Summary

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Heart failure patients may benefit from having a special pacemaker implanted that can make the heart pump in a more coordinated and efficient way Cardiac Resynchronisation Therapy (CRT). For the heart to pump well it is necessary for the pacing wires to be placed in optimal positions. Only two thirds of people respond to CRT and this may be because of non-ideal pacing wire position. A potential marker for response is the change in heart pump pressure change over time. The aim of this study is to use a specialised wire in the main pumping chamber of the heart to record the pressure changes with the pacing lead in various positions to determine the optimal position. It is postulated that the improved pressure changes will increase the proportion of responders.

Pilot study work has shown that the work is technically feasible and safe. The initial data has been published in a highly regarded scientific journal. This main study will be a multicentre randomised controlled trial whereby patients will be randomised to either standard treatment or pressure wireguided treatment. The patients in the pressurewire guided arm will have a specialised wire implanted into the main pumping chamber of their heart via a blood vessel at the top of the leg (or less commonly a blood vessel in the wrist). This will measure acute pressure changes over time and the pacing lead will be positioned in the site that gives the greatest change in pressure.

If the patients in the pressurewire guided arm fare better than those receiving standard treatment it may alter how a large proportion of heart failure patients are treated around the world. The study requires 282 patients and is likely to take two years to complete.

Detailed Description

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Conditions

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Heart Failure

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Standard CRT Implant

Group Type ACTIVE_COMPARATOR

Standard CRT Implant

Intervention Type PROCEDURE

Pressure-wire guided CRT Implant

Group Type ACTIVE_COMPARATOR

Pressure-wire guided CRT implant

Intervention Type PROCEDURE

A pressure wire will be sited in the left ventricle to measure dP/dT max. The LV lead position that gives the highest dP/dT max will be the final position used.

Interventions

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Standard CRT Implant

Intervention Type PROCEDURE

Pressure-wire guided CRT implant

A pressure wire will be sited in the left ventricle to measure dP/dT max. The LV lead position that gives the highest dP/dT max will be the final position used.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patients fulfilling standard criteria for CRT
* Ischaemic or non-ischaemic heart failure

Exclusion Criteria

* Contraindication to pressure wire assessment including:
* Severe aortic valve disease
* Mechanical aortic valve replacement
* Severe peripheral vascular disease
* LV thrombus
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Abbott Medical Devices

INDUSTRY

Sponsor Role collaborator

Guy's and St Thomas' NHS Foundation Trust

OTHER

Sponsor Role lead

Responsible Party

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Manav Sohal

Research Fellow

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Hospital Auxolgico

Milan, , Italy

Site Status RECRUITING

San Rafaelle Hospital

Milan, , Italy

Site Status RECRUITING

Medway Maritime Hospital

Gillingham, Kent, United Kingdom

Site Status RECRUITING

Guy's and St. Thomas' NHS Foundation NHS Trust

London, London, United Kingdom

Site Status RECRUITING

Queen Elizabeth Hospital Birmingham

Birmingham, , United Kingdom

Site Status RECRUITING

Royal Bournemouth Hospital

Bournemouth, , United Kingdom

Site Status RECRUITING

Queen Elizabeth Hospital Woolwich

London, , United Kingdom

Site Status RECRUITING

The Heart Hospital

London, , United Kingdom

Site Status RECRUITING

Freeman Hospital

Newcastle upon Tyne, , United Kingdom

Site Status RECRUITING

John Radcliffe Hospital

Oxford, , United Kingdom

Site Status RECRUITING

Countries

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Italy United Kingdom

Central Contacts

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Manav Sohal, BSc, MBBS

Role: CONTACT

00447939061486

Christopher Aldo Rinaldi, MBBS, MD

Role: CONTACT

Facility Contacts

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Giovanni Prerego, MD

Role: primary

Nicoleta Sora, MD

Role: primary

Shaumik Adhya, MBBS

Role: primary

Manav Sohal, BSc, MBBS

Role: primary

00447939061486

Francisco Leyva, MD

Role: primary

John Paisey

Role: primary

Shoaib Hamid, MD

Role: primary

Pier Lambiase, MD

Role: primary

Janet McCoomb, MD

Role: primary

Tim Betts, MD

Role: primary

Other Identifiers

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11/LO/1879

Identifier Type: -

Identifier Source: org_study_id

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