MedPath

Uninterrupted Dabigatran Etexilate in Comparison to Uninterrupted Warfarin in Pulmonary Vein Ablation (RE-CIRCUIT)

Phase 4
Completed
Conditions
Atrial Fibrillation
Interventions
Registration Number
NCT02348723
Lead Sponsor
Boehringer Ingelheim
Brief Summary

The primary objective of this trial is to assess the safety of an uninterrupted dabigatran etexilate periprocedural anticoagulant regimen compared to an uninterrupted warfarin regimen in Non-Valvular Atrial Fibrillation (NVAF) patients undergoing Atrial Fibrillation (AF) ablation in a PROBE (Prospective, randomized, open label, blinded end point) active controlled study.

Secondary objectives are to assess additional safety endpoints and efficacy in this clinical setting.

It is not intended to assess confirmatory hypothesis, this is an exploratory study.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
678
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Dabigatran Etexilate 150mgDabigatran Etexilate 150mgPatients receiving Dabigatran Etexilate 150mg twice daily dosing (BID)
WarfarinWarfarinPatients receiving Warfarin to keep International Normalized Ratio (INR) between 2.0 - 3.0
Primary Outcome Measures
NameTimeMethod
Incidence of Major Bleeding Events (MBEs), as Defined by the International Society on Thrombosis and Haemostasis (ISTH)during and up to 2 months post-ablation

Major bleeds were defined according to the ISTH definition of a major bleed, as follows

* Symptomatic bleeding in a critical area or organ, such as intracranial, intraspinal, intraocular, retroperitoneal, intra-articular or pericardial, or intramuscular with compartment syndrome and/or

* Bleeding associated with a reduction in haemoglobin of at least 2 g/dL (1.24 mmol/L), or leading to transfusion of 2 or more units of blood or packed cells. and/or

* Fatal bleed

These are based on adjudicated data (blinded evaluation)

Point estimates for the incidence of ISTH MBEs and their 2-sided 95% confidence intervals (CI), based on the normal approximation of independent binomial distribution without stratification, are presented.

Secondary Outcome Measures
NameTimeMethod
Incidence of the Composite of Stroke, Systemic Embolism, or Transient Ischemic Attack (TIA)during and up to 2 months post-ablation

Stroke was defined as an acute episode of focal or global neurological dysfunction caused by brain, spinal cord, or retinal vascular injury as a result of haemorrhage or infarction.

Systemic embolism was defined as an acute vascular occlusion of the extremities or any organ (kidneys, mesenteric arteries, spleen, retina or grafts) and was to be documented by angiography, surgery, scintigraphy or autopsy.

Transient ischemic attack was defined as a transient episode of focal neurological dysfunction caused by brain, spinal cord, or retinal ischemia, without acute infarction.

These are based on adjudicated data (blinded evaluation).

Percentage of patients with composite of stroke, systemic embolism, or transient ischemic attack (TIA) is presented

Incidence of Minor Bleeding Eventsduring and up to 2 months post-ablation

Minor bleeds were clinical bleeds that did not fulfil the criteria for major bleeds. Percentage of patients with Minor bleeding events are presented.

These are based on adjudicated data (blinded evaluation)

Incidence of ISTH MBE, Stroke, Systemic Embolism, or TIA (Composite Endpoint Combining Safety and Efficacyduring and up to 2 months post-ablation

Percentage of patients with ISTH MBE, stroke, systemic embolism, or TIA (composite endpoint combining safety and efficacy) are presented.

These are based on adjudicated data (blinded evaluation)

Trial Locations

Locations (86)

Mercy Medical Group, a service of Dignity Health Medical Foundation

🇺🇸

Sacramento, California, United States

Southwest Florida Research, LLC

🇺🇸

Naples, Florida, United States

University of California

🇺🇸

San Francisco, California, United States

Tulane University Hospital and Clinic

🇺🇸

New Orleans, Louisiana, United States

Elkhart General Healthcare System

🇺🇸

Elkhart, Indiana, United States

University of South Florida

🇺🇸

Tampa, Florida, United States

New York Methodist Hospital

🇺🇸

Brooklyn, New York, United States

St. Louis Heart and Vascular, P.C.

🇺🇸

Saint Louis, Missouri, United States

University at Buffalo, The State University of New York

🇺🇸

Buffalo, New York, United States

CHUS Fleurimont

🇨🇦

Sherbrooke, Quebec, Canada

Universitätsklinikum Hamburg-Eppendorf

🇩🇪

Hamburg, Germany

CLI Nouvelles Cliniques Nantaises,Cardio,Nantes Cedex 2

🇫🇷

Nantes, France

HOP Salpêtrière, Cardio, Paris

🇫🇷

Paris cedex 13, France

Fondazione Centro San Raffaele del Monte Tabor

🇮🇹

Milano, Italy

Universitätsklinikum Köln (AöR)

🇩🇪

Köln, Germany

Universitätsklinikum Regensburg

🇩🇪

Regensburg, Germany

Universitätsmedizin Göttingen, Georg-August-Universität

🇩🇪

Göttingen, Germany

Hirosaki University Hospital

🇯🇵

Aomori, Hirosaki, Japan

New Tokyo Heart Clinic

🇯🇵

Chiba, Matsudo, Japan

Instit.of Surgery na Vishnevskiy,Treatm.of comp.arrhythm.dep

🇷🇺

Moscow, Russian Federation

Hospital Virgen del Rocío

🇪🇸

Sevilla, Spain

Tyumen Cardiology Center, Dept.of Cardiac Arrhythmia

🇷🇺

Tyumen, Russian Federation

Hospital La Paz

🇪🇸

Madrid, Spain

Radboud Universitair Medisch Centrum

🇳🇱

Nijmegen, Netherlands

Catharina Ziekenhuis

🇳🇱

Eindhoven, Netherlands

Osp.dell'Angelo

🇮🇹

Mestre-Venezia, Italy

Centro Cardiologico Monzino-IRCCS

🇮🇹

Milano, Italy

HOP Européen G. Pompidou

🇫🇷

Paris, France

Bonheiden - HOSP Imelda

🇧🇪

Bonheiden, Belgium

Providence Regional Medical Center

🇺🇸

Everett, Washington, United States

University of Tennessee Methodist Physicians

🇺🇸

Memphis, Tennessee, United States

St Luke's Health Baylor College of Medicine Med Center

🇺🇸

Houston, Texas, United States

Brussels - UNIV UZ Brussel

🇧🇪

Brussel, Belgium

UNIV UZ Gent

🇧🇪

Gent, Belgium

Centre Hospitalier Universitaire de Liège

🇧🇪

Liège, Belgium

Antwerpen - HOSP ZNA Middelheim - Pneumo

🇧🇪

Middelheim, Belgium

Staten Island University Hospital

🇺🇸

Staten Island, New York, United States

University of Oklahoma

🇺🇸

Oklahoma City, Oklahoma, United States

North Texas Heart Center

🇺🇸

Dallas, Texas, United States

Penn State Milton S. Hershey Medical Center

🇺🇸

Hershey, Pennsylvania, United States

HOP Nord Michallon

🇫🇷

La Tronche, France

HOP Timone

🇫🇷

Marseille, France

HOP Haut-Lévêque

🇫🇷

Pessac, France

HOP CHU Nancy Brabois, Cardiologie

🇫🇷

Vandoeuvre les Nancy, France

Brussels - HOSP Europe (Ste-Elisabeth)

🇧🇪

Ukkel, Belgium

Royal Alexandra Hospital

🇨🇦

Edmonton, Alberta, Canada

IUCPQ (Laval University)

🇨🇦

Quebec, Canada

Vivantes Netzwerk für Gesundheit GmbH

🇩🇪

Berlin, Germany

Kingston General Hospital

🇨🇦

Kingston, Ontario, Canada

Policlinico Casilino U.O. Cardiologia

🇮🇹

Roma, Italy

Universitätsklinikum Schleswig-Holstein, Campus Kiel

🇩🇪

Kiel, Germany

Ospedale Generale Regionale "Miulli"

🇮🇹

Acquaviva Delle Fonti (BA), Italy

Anjo-kosei Hospital

🇯🇵

Aichi, Anjo, Japan

Nagoya City East Medical Center

🇯🇵

Aichi, Nagoya, Japan

Japanese Red Cross Nagoya Daini Hospital

🇯🇵

Aichi, Nagoya, Japan

A.S.O.S. Croce e Carle

🇮🇹

Cuneo, Italy

Hospital Clínic de Barcelona

🇪🇸

Barcelona, Spain

Universitätsklinikum Ulm

🇩🇪

Ulm, Germany

Shonan Kamakura General Hospital

🇯🇵

Kanagawa, Kamakura, Japan

Tokyo Medical University Hachioji Medical Center

🇯🇵

Tokyo, Hachioji, Japan

Nagoya University Hospital

🇯🇵

Aichi, Nagoya, Japan

Sakurabashi Watanabe Hospital

🇯🇵

Osaka, Osaka, Japan

Nippon Medical School Hospital

🇯🇵

Tokyo, Bunkyo-Ku, Japan

Royal Sussex County Hospital

🇬🇧

Brighton, United Kingdom

City Pokrovskiy Hospital, Cardiology Dept., Saint Petersburg

🇷🇺

Saint Petersburg, Russian Federation

Royal Bournemouth and Christchurch Hospital

🇬🇧

Bournemouth, United Kingdom

Papworth Hospital

🇬🇧

Cambridge, United Kingdom

Heart&Vessels Diseases,Cardiol&Cardiovas.SurgeryDep,Kamerovo

🇷🇺

Kemerovo, Russian Federation

Hospital Álvaro Cunqueiro

🇪🇸

Vigo (Pontevedra), Spain

Golden Jubilee National Hospital, Clydebank

🇬🇧

Clydebank, United Kingdom

Castle Hill Hopsital

🇬🇧

Cottingham, United Kingdom

Leeds General Infirmary

🇬🇧

Leeds, United Kingdom

James Cook University Hospital

🇬🇧

Middlesbrough, United Kingdom

John Radcliffe Hospital

🇬🇧

Oxford, United Kingdom

St Bartholomew's Hospital

🇬🇧

London, United Kingdom

VU Medisch Centrum

🇳🇱

Amsterdam, Netherlands

Medisch Centrum Leeuwarden

🇳🇱

Leeuwarden, Netherlands

Onze Lieve Vrouwe Gasthuis

🇳🇱

Amsterdam, Netherlands

Yaroslavl Regional Clin. Hospital, Dept. Endocrinology

🇷🇺

Yaroslavl, Russian Federation

Johns Hopkins Hospital

🇺🇸

Baltimore, Maryland, United States

North-Westrn Fed.med.res.cntr,Almazov Interven.arrhythmo.dep

🇷🇺

St. Petersburg, Russian Federation

Arkansas Cardiology, PA

🇺🇸

Little Rock, Arkansas, United States

University of Utah Health Sciences Center

🇺🇸

Salt Lake City, Utah, United States

Victoria Cardiac Arrhythmia Trials Inc.

🇨🇦

Victoria, British Columbia, Canada

Southlake Regional Health Centre

🇨🇦

Newmarket, Ontario, Canada

Mission Cardiovascular Research Institute

🇺🇸

Fremont, California, United States

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