NCT02348723

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.

Trial Health

98
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
678

participants targeted

Target at P75+ for phase_4 atrial-fibrillation

Timeline
Completed

Started Apr 2015

Shorter than P25 for phase_4 atrial-fibrillation

Geographic Reach
11 countries

87 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 27, 2015

Completed
1 day until next milestone

First Posted

Study publicly available on registry

January 28, 2015

Completed
3 months until next milestone

Study Start

First participant enrolled

April 28, 2015

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 11, 2016

Completed
3 days until next milestone

Study Completion

Last participant's last visit for all outcomes

November 14, 2016

Completed
1 year until next milestone

Results Posted

Study results publicly available

November 14, 2017

Completed
Last Updated

January 29, 2018

Status Verified

January 1, 2018

Enrollment Period

1.5 years

First QC Date

January 27, 2015

Results QC Date

October 16, 2017

Last Update Submit

January 4, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • Incidence of Major Bleeding Events (MBEs), as Defined by the International Society on Thrombosis and Haemostasis (ISTH)

    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.

    during and up to 2 months post-ablation

Secondary Outcomes (3)

  • Incidence of the Composite of Stroke, Systemic Embolism, or Transient Ischemic Attack (TIA)

    during and up to 2 months post-ablation

  • Incidence of Minor Bleeding Events

    during and up to 2 months post-ablation

  • Incidence of ISTH MBE, Stroke, Systemic Embolism, or TIA (Composite Endpoint Combining Safety and Efficacy

    during and up to 2 months post-ablation

Study Arms (2)

Dabigatran Etexilate 150mg

EXPERIMENTAL

Patients receiving Dabigatran Etexilate 150mg twice daily dosing (BID)

Drug: Dabigatran Etexilate 150mg

Warfarin

ACTIVE COMPARATOR

Patients receiving Warfarin to keep International Normalized Ratio (INR) between 2.0 - 3.0

Drug: Warfarin

Interventions

Patients receiving Warfarin to keep International Normalized Ratio (INR)between 2.0 - 3.0

Warfarin

Patients receiving Dabigatran Etexilate 150mg twice daily dosing (BID)

Dabigatran Etexilate 150mg

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Male or female patients aged \>= 18 years.
  • Patients eligible for treatment with dabigatran etexilate 150 mg b.i.d. according to local label.
  • Treatment naïve patients or patients on oral anticoagulant treatment with a Vitamin K Antagonist (VKA), dabigatran etexilate, rivaroxaban, apixaban or edoxaban.
  • Patient with paroxysmal or persistent NVAF with a planned catheter ablation for AF unless it is performed an investigational ablation technique.
  • AF must have been documented at least once either by ECG, Holter monitoring, loop recorder, telemetry, trans-telephonic monitoring, pacemaker or cardiac defibrillator read outs within 24 months prior to screening (Visit 1).
  • The patient must be able to give informed consent in accordance with International Conference on Harmonisation (ICH) Good Clinical Practice (GCP) guidelines and local legislation and/or regulations.

You may not qualify if:

  • Patients with permanent AF.
  • Patients with AF felt to be secondary to an obvious reversible cause such as, but not limited to, an acute myocardial infarction, pulmonary embolism, recent surgery, pericarditis or thyrotoxicosis.
  • Patients with Left Atrium (LA) size \>= 60 mm
  • Patients with contraindications to systemic anticoagulation with heparin, warfarin or dabigatran etexilate
  • Patients with a known allergy to warfarin tablets and it excipients or to dabigatran etexilate or its excipients
  • Mechanical or biological heart valve prosthesis
  • Severe renal impairment (estimated Creatinine Clearance (CrCl) calculated by Cockcroft-Gault equation) \<30mL/min at screening
  • Stroke within 1 month prior to screening visit
  • Major surgery per investigator judgement within the previous month prior to screening.
  • Patient has received an organ transplant or is on a waiting list for an organ transplant
  • History of intracranial haemorrhage, intraocular, spinal, retroperitoneal or non-traumatic intra-articular bleeding
  • Gastrointestinal haemorrhage within one month prior to screening, unless, in the opinion of the investigator, the cause has been permanently eliminated (e.g. by surgery).
  • Major bleeding episode (ISTH definition) one month prior to the screening visit.
  • Haemorrhagic disorder or bleeding diathesis (e.g. von Willebrand disease, haemophilia A or B or other hereditary bleeding disorder, history of spontaneous intra-articular bleeding, history of prolonged bleeding after surgery/intervention)
  • Anaemia (haemoglobin \<10g/dL) or thrombocytopenia including heparin-induced thrombocytopenia (platelet count \<100 x 10\^9/L) at screening
  • +10 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (87)

Arkansas Cardiology, PA

Little Rock, Arkansas, 72205, United States

Location

Mission Cardiovascular Research Institute

Fremont, California, 94538, United States

Location

University of California

Sacramento, California, 95817, United States

Location

Mercy Medical Group, a service of Dignity Health Medical Foundation

Sacramento, California, 95819, United States

Location

University of California

San Francisco, California, 94143, United States

Location

Southwest Florida Research, LLC

Naples, Florida, 34102, United States

Location

University of South Florida

Tampa, Florida, 33606, United States

Location

Elkhart General Healthcare System

Elkhart, Indiana, 46514, United States

Location

Tulane University Hospital and Clinic

New Orleans, Louisiana, 70112, United States

Location

Johns Hopkins Hospital

Baltimore, Maryland, 21287, United States

Location

St. Louis Heart and Vascular, P.C.

St Louis, Missouri, 63136, United States

Location

New York Methodist Hospital

Brooklyn, New York, 11215, United States

Location

University at Buffalo, The State University of New York

Buffalo, New York, 14203, United States

Location

Staten Island University Hospital

Staten Island, New York, 10305, United States

Location

University of Oklahoma

Oklahoma City, Oklahoma, 73104-5068, United States

Location

Penn State Milton S. Hershey Medical Center

Hershey, Pennsylvania, 17033, United States

Location

University of Tennessee Methodist Physicians

Memphis, Tennessee, 38104, United States

Location

North Texas Heart Center

Dallas, Texas, 75231, United States

Location

St Luke's Health Baylor College of Medicine Med Center

Houston, Texas, 77030, United States

Location

University of Utah Health Sciences Center

Salt Lake City, Utah, 84132, United States

Location

Providence Regional Medical Center

Everett, Washington, 98201, United States

Location

Bonheiden - HOSP Imelda

Bonheiden, 2820, Belgium

Location

Brussels - UNIV UZ Brussel

Brussels, 1090, Belgium

Location

UNIV UZ Gent

Ghent, 9000, Belgium

Location

Centre Hospitalier Universitaire de Liège

Liège, 4000, Belgium

Location

Antwerpen - HOSP ZNA Middelheim - Pneumo

Middelheim, 2020, Belgium

Location

Brussels - HOSP Europe (Ste-Elisabeth)

Uccle, 1180, Belgium

Location

Royal Alexandra Hospital

Edmonton, Alberta, T5H 3V9, Canada

Location

Victoria Cardiac Arrhythmia Trials Inc.

Victoria, British Columbia, V8T 1Z4, Canada

Location

Kingston General Hospital

Kingston, Ontario, K7L 2V7, Canada

Location

Southlake Regional Health Centre

Newmarket, Ontario, L3Y 2P9, Canada

Location

CHUS Fleurimont

Sherbrooke, Quebec, J1H 5N4, Canada

Location

IUCPQ (Laval University)

Québec, G1V 4G5, Canada

Location

HOP Nord Michallon

La Tronche, 38700, France

Location

HOP Timone

Marseille, 13005, France

Location

CLI Nouvelles Cliniques Nantaises,Cardio,Nantes Cedex 2

Nantes, 44000, France

Location

HOP Salpêtrière, Cardio, Paris

Paris, 75013, France

Location

HOP Européen G. Pompidou

Paris, 75015, France

Location

HOP Haut-Lévêque

Pessac, 33604, France

Location

HOP CHU Nancy Brabois, Cardiologie

Vandœuvre-lès-Nancy, 54511, France

Location

Vivantes Netzwerk für Gesundheit GmbH

Berlin, 10967, Germany

Location

Universitätsklinikum Köln (AöR)

Cologne, 50937, Germany

Location

Universitätsmedizin Göttingen, Georg-August-Universität

Göttingen, 37075, Germany

Location

Universitätsklinikum Hamburg-Eppendorf

Hamburg, 20246, Germany

Location

Universitätsklinikum Schleswig-Holstein, Campus Kiel

Kiel, 24105, Germany

Location

Universitätsklinikum Regensburg

Regensburg, 93053, Germany

Location

Universitätsklinikum Ulm

Ulm, 89081, Germany

Location

Ospedale Generale Regionale "Miulli"

Acquaviva Delle Fonti (BA), 70021, Italy

Location

A.S.O.S. Croce e Carle

Cuneo, 12100, Italy

Location

Osp.dell'Angelo

Mestre-Venezia, 30174, Italy

Location

Fondazione Centro San Raffaele del Monte Tabor

Milan, 20132, Italy

Location

Centro Cardiologico Monzino-IRCCS

Milan, 20138, Italy

Location

Policlinico Casilino U.O. Cardiologia

Roma, 00169, Italy

Location

Anjo-kosei Hospital

Aichi, Anjo, 446-8602, Japan

Location

Nagoya City East Medical Center

Aichi, Nagoya, 464-8547, Japan

Location

Nagoya University Hospital

Aichi, Nagoya, 466-8560, Japan

Location

Japanese Red Cross Nagoya Daini Hospital

Aichi, Nagoya, 466-8650, Japan

Location

Hirosaki University Hospital

Aomori, Hirosaki, 036-8563, Japan

Location

New Tokyo Heart Clinic

Chiba, Matsudo, 271-0077, Japan

Location

Shonan Kamakura General Hospital

Kanagawa, Kamakura, 247-8533, Japan

Location

Sakurabashi Watanabe Hospital

Osaka, Osaka, 530-0001, Japan

Location

Nippon Medical School Hospital

Tokyo, Bunkyo-Ku, 113-8603, Japan

Location

Tokyo Medical University Hachioji Medical Center

Tokyo, Hachioji, 193-0998, Japan

Location

VU Medisch Centrum

Amsterdam, 1081 HV, Netherlands

Location

Onze Lieve Vrouwe Gasthuis

Amsterdam, 1091AC, Netherlands

Location

Catharina Ziekenhuis

Eindhoven, 5623 EJ, Netherlands

Location

Medisch Centrum Leeuwarden

Leeuwarden, 8934 AD, Netherlands

Location

Radboud Universitair Medisch Centrum

Nijmegen, 6525 GA, Netherlands

Location

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

Kemerovo, 650002, Russia

Location

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

Moscow, 117997, Russia

Location

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

Saint Petersburg, 197341, Russia

Location

City Pokrovskiy Hospital, Cardiology Dept., Saint Petersburg

Saint Petersburg, 199 106, Russia

Location

Tyumen Cardiology Center, Dept.of Cardiac Arrhythmia

Tyumen, 625026, Russia

Location

Yaroslavl Regional Clin. Hospital, Dept. Endocrinology

Yaroslavl, 150062, Russia

Location

Hospital Clínic de Barcelona

Barcelona, 08036, Spain

Location

Hospital La Paz

Madrid, 28046, Spain

Location

Hospital Virgen del Rocío

Seville, 41013, Spain

Location

Hospital Álvaro Cunqueiro

Vigo (Pontevedra), 36312, Spain

Location

Royal Bournemouth and Christchurch Hospital

Bournemouth, BH7 7DW, United Kingdom

Location

Royal Sussex County Hospital

Brighton, BN2 5BE, United Kingdom

Location

Papworth Hospital

Cambridge, CB23 3RE, United Kingdom

Location

Golden Jubilee National Hospital, Clydebank

Clydebank, G81 4DY, United Kingdom

Location

Castle Hill Hopsital

Cottingham, HU16 5JQ, United Kingdom

Location

Leeds General Infirmary

Leeds, LS1 3EX, United Kingdom

Location

St Bartholomew's Hospital

London, EC1A 4NP, United Kingdom

Location

James Cook University Hospital

Middlesbrough, TS4 3BW, United Kingdom

Location

John Radcliffe Hospital

Oxford, OX3 9DU, United Kingdom

Location

Related Publications (3)

  • Kimata A, Nogami A, Yamasaki H, Ohigashi T, Gosho M, Igarashi M, Sekiguchi Y, Ieda M, Calkins H, Aonuma K. Optimal interruption time of dabigatran oral administration to ablation (O-A time) in patients with atrial fibrillation: Integrated analysis of 2 randomized controlled clinical trials. J Cardiol. 2021 Jun;77(6):652-659. doi: 10.1016/j.jjcc.2020.12.010. Epub 2021 Jan 25.

  • Hohnloser SH, Calkins H, Willems S, Verma A, Schilling R, Okumura K, Nordaby M, Kleine E, Biss B, Gerstenfeld EP; RE-CIRCUIT(R) investigators. Regional differences in patient characteristics and outcomes during uninterrupted anticoagulation with dabigatran versus warfarin in catheter ablation of atrial fibrillation: the RE-CIRCUIT study. J Interv Card Electrophysiol. 2019 Aug;55(2):145-152. doi: 10.1007/s10840-019-00518-x. Epub 2019 Feb 13.

  • Calkins H, Willems S, Gerstenfeld EP, Verma A, Schilling R, Hohnloser SH, Okumura K, Serota H, Nordaby M, Guiver K, Biss B, Brouwer MA, Grimaldi M; RE-CIRCUIT Investigators. Uninterrupted Dabigatran versus Warfarin for Ablation in Atrial Fibrillation. N Engl J Med. 2017 Apr 27;376(17):1627-1636. doi: 10.1056/NEJMoa1701005. Epub 2017 Mar 19.

MeSH Terms

Conditions

Atrial Fibrillation

Interventions

WarfarinDabigatran

Condition Hierarchy (Ancestors)

Arrhythmias, CardiacHeart DiseasesCardiovascular DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

4-HydroxycoumarinsCoumarinsBenzopyransPyransHeterocyclic Compounds, 1-RingHeterocyclic CompoundsHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingPyridinesBenzimidazoles

Results Point of Contact

Title
Boehringer Ingelheim, Call Center
Organization
Boehringer Ingelheim

Study Officials

  • Boehringer Ingelheim

    Boehringer Ingelheim

    STUDY CHAIR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 27, 2015

First Posted

January 28, 2015

Study Start

April 28, 2015

Primary Completion

November 11, 2016

Study Completion

November 14, 2016

Last Updated

January 29, 2018

Results First Posted

November 14, 2017

Record last verified: 2018-01

Locations