Beta-Blocker Continuation Versus Interruption in Heart Failure Worsening

NCT ID: NCT00162565

Last Updated: 2009-05-25

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

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

180 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-11-30

Study Completion Date

2009-02-28

Brief Summary

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The objective of the B-Convinced study is to demonstrate the non-inferiority of beta-blocker continuation compared to its interruption in patients with congestive heart failure who are treated by a beta-blocker and present with an episode of heart failure worsening with pulmonary oedema requiring hospital admission.

162 patients will be randomized in cardiology centers in France. Clinical status (primary endpoint) will be evaluated with a standardized questionnaire 3 days after hospital admission.

Detailed Description

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Therapeutic strategy of beta-blocker treatment during an episode of heart failure worsening remains unclear. The objective of the B-Convinced study is to demonstrate that continuation of beta-blocker treatment in case of hospitalisation for heart failure worsening is as safe as the interruption of such treatment.

Hypothesis: The proportion of patients clinically improving within 3 days is not inferior when beta-blocker treatment is maintained compared to beta-blocker interruption in case of hospitalisation for heart failure worsening with pulmonary oedema.

Design: Open, randomized non-inferiority trial on two parallel groups of patients. Randomization performed centrally with a vocal server.

Tested Hypothesis: 90% of success in the interruption group, power of 80%, non-inferiority limit of 15% (relative reduction). 162 patients are required with such a hypothesis.

Primary Endpoint: Clinical improvement within 3 days of hospital admission evaluated by the investigator by a standardized questionnaire.

Secondary Endpoints: Clinical improvement at day 8 or at hospital discharge, morbidity-mortality at 4 months.

34 participating centres in France.

Conditions

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Heart Failure, Congestive

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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1

bbloquant treatment

Group Type EXPERIMENTAL

beta-blocker treatment

Intervention Type DRUG

beta-blocker treatment

Interventions

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beta-blocker treatment

beta-blocker treatment

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Patients with heart failure treated with beta-blocker; hospitalisation for heart failure worsening with pulmonary oedema.
* Left ventricular ejection fraction less than 40%

Exclusion Criteria

* Indication of intravenous positive inotropic treatment
* Indication to withdraw beta-blocker treatment
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Assistance Publique - Hôpitaux de Paris

OTHER

Sponsor Role lead

Responsible Party

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Department Clinical Research of Developpement

Principal Investigators

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Philippe P Lechat, MD, PhD

Role: STUDY_DIRECTOR

Hopital Pitie-Salpetriere, Paris, France

Guillaume Jondeau, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

Hopital Ambroise-Pare, Boulogne, France

Locations

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Hôpital Victor Dupuy

Argenteuil, , France

Site Status

Les Etablissements Hospitaliers du Bessin

Bayeux, , France

Site Status

Hôpital Ambroise Paré

Boulogne-Billancourt, , France

Site Status

Centre Hospitalier Universitaire de Caen

Caen, , France

Site Status

Hôpital Fontenoy de Chartres

Chartres, , France

Site Status

Centre Hospitalier de Cholet

Cholet, , France

Site Status

Hôpital Antoine Béclère

Clamart, , France

Site Status

Hôpital Beaujon

Clichy, , France

Site Status

Hôpital de Corbeil

Corbeil, , France

Site Status

Hôpital Henri Mondor

Créteil, , France

Site Status

Hôpital du Bocage

Dijon, , France

Site Status

Hôpital A. Michallon

Grenoble, , France

Site Status

Centre Hospitalier de Versailles

Le Chesnay, , France

Site Status

Hôpital Saint-Philibert

Lomme, , France

Site Status

Hôpital Saint-Joseph Saint-Luc

Lyon, , France

Site Status

Hôpital de la Timone

Marseille, , France

Site Status

Hôpital Arnaud de Villeneuve

Montpellier, , France

Site Status

Hôpital René Laënnec

Nantes, , France

Site Status

Hôpital Pasteur

Nice, , France

Site Status

Hôpital des Armées du Val de Grâce

Paris, , France

Site Status

Hôpital Lariboisière

Paris, , France

Site Status

Groupe Hospitalier Pitié-Salpêtrière

Paris, , France

Site Status

Hôpital Européen Georges Pompidou

Paris, , France

Site Status

Hôpital Saint-Michel

Paris, , France

Site Status

Centre Hospitalier Universitaire La Milétrie

Poitiers, , France

Site Status

Centre Hospitalier Regional Dubos

Pontoise, , France

Site Status

Centre Hospitalier Universitaire Potcaillou

Rennes, , France

Site Status

Hôpital Charles Nicolle

Rouen, , France

Site Status

Centre Hospitalier Universitaire Hautepierre

Strasbourg, , France

Site Status

Hôpital de Rangueil

Toulouse, , France

Site Status

Hôpital Trousseau

Tours, , France

Site Status

Hôpital de Brabois

Vandœuvre-lès-Nancy, , France

Site Status

Countries

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France

Other Identifiers

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P030414

Identifier Type: -

Identifier Source: org_study_id

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