NCT04923009

Brief Summary

Ablation for paroxysmal atrial fibrillation (PAF) by means of pulmonary vein isolation (PVI) is the principal method for the treatment of PAF. Usually, PVI is confirmed by recording PV potentials (PVP) from the circular catheter placed at the ostium of PV. However, newer and faster methods became avialable. The only currently available technique which can visualize LA anatomy on-line, is intracardiac echocardiography (ICE). It seems that ICE could replace all other techniques used for LA imaging. Also, there may be no need for introducing diagnostic catheters and only ablation catheter and single transseptal puncture will do. Hypothesis. Simplified ICE-based ablation is faster and with shorter fluoroscopy time than standard ablation without compromising safety and efficacy and with no significant increase in costs. Aim. To compare procedural data, costs, safety and efficacy of simplified ICE-based ablation versus standard RF ablation for AF. Methods. This is prospective, controlled trial. Three centers will be included: center 1 where simplified ICE-based procedure is performed and centers 2 and 3 where standard approach is used. Patients with PAF will be allocated to two approaches: (1) standard (n=45) arm undergoing multi-electrode RF ablation in centers 2 and 3 and (2) the simple-ICE group (n=45) undergoing RF ablation in center 1 using ablation catheter and ICE catheter only. Ablation procedure will be performed using electro-anatomical system according to the CLOSE protocol. In the simple-ICE group PVI is confirmed by lack of LA capture during pacing from or up to 5 mm inside the ablation line. In the standard group both pacing from ablation line and signals from the circular diagnostic electrode will be used to confirm PVI. A one year follow-up is planned including three visits in cardiology clinics with 4-7 day Holter ECG 3, 6 and 12 months after the procedure. Assessed outcomes include duration of procedure, duration and dose of radiation, one-year procedural efficacy, peri- and post-procedural complications and cost-efficacy

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
90

participants targeted

Target at P25-P50 for phase_4 atrial-fibrillation

Timeline
Completed

Started May 2021

Typical duration for phase_4 atrial-fibrillation

Geographic Reach
1 country

1 active site

Status
unknown

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

Study Start

First participant enrolled

May 24, 2021

Completed
3 days until next milestone

First Submitted

Initial submission to the registry

May 27, 2021

Completed
15 days until next milestone

First Posted

Study publicly available on registry

June 11, 2021

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 24, 2023

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

May 24, 2024

Completed
Last Updated

January 10, 2023

Status Verified

January 1, 2023

Enrollment Period

2 years

First QC Date

May 27, 2021

Last Update Submit

January 8, 2023

Conditions

Keywords

atrial fibrillationablationintracardiac echocardiography

Outcome Measures

Primary Outcomes (1)

  • Duration of procedure

    calculated from first skin puncture to sheaths removal

    100 - 240 minutes

Secondary Outcomes (5)

  • Dose of radiation

    up to 4 hours

  • Duration of radiation

    up to 20 minutes

  • One-year procedural efficacy

    up to 366 days

  • Peri- and post-procedural complications

    up to 28 days

  • Cost-efficacy

    two years

Study Arms (2)

Simple-ICE group

EXPERIMENTAL

Patients undergoing ablation using only ICE visualization and ablation catheter

Procedure: ICE visualization and map construction

Standard mapping catheter without ICE

ACTIVE COMPARATOR

Patients undergoing ablation using standard approach including diagnostic and mapping electrodes as well as ablation electrode

Procedure: ICE visualization and map construction

Interventions

Radio-frequency ablation of atrial fibrillation

Also known as: RF ablation
Simple-ICE groupStandard mapping catheter without ICE

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • first ablation for AF
  • written informed consent.

You may not qualify if:

  • previous AF ablations
  • anticipated need for more complex ablation than PVI only
  • lack of written informed consent

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Cardiology, Postgraduate Medical School, Grochowski Hospital

Warsaw, 04-073, Poland

RECRUITING

Related Publications (13)

  • Taghji P, El Haddad M, Phlips T, Wolf M, Knecht S, Vandekerckhove Y, Tavernier R, Nakagawa H, Duytschaever M. Evaluation of a Strategy Aiming to Enclose the Pulmonary Veins With Contiguous and Optimized Radiofrequency Lesions in Paroxysmal Atrial Fibrillation: A Pilot Study. JACC Clin Electrophysiol. 2018 Jan;4(1):99-108. doi: 10.1016/j.jacep.2017.06.023. Epub 2017 Sep 27.

    PMID: 29600792BACKGROUND
  • Berte B, Hilfiker G, Moccetti F, Schefer T, Weberndorfer V, Cuculi F, Toggweiler S, Ruschitzka F, Kobza R. Pulmonary vein isolation using ablation index vs. CLOSE protocol with a surround flow ablation catheter. Europace. 2020 Jan 1;22(1):84-89. doi: 10.1093/europace/euz244.

    PMID: 31518403BACKGROUND
  • Eitel C, Hindricks G, Sommer P, Gaspar T, Kircher S, Wetzel U, Dagres N, Esato M, Bollmann A, Husser D, Hilbert S, Zaker-Shahrak R, Arya A, Piorkowski C. Circumferential pulmonary vein isolation and linear left atrial ablation as a single-catheter technique to achieve bidirectional conduction block: the pace-and-ablate approach. Heart Rhythm. 2010;7(2):157-64. doi: 10.1016/j.hrthm.2009.10.003. Epub 2009 Oct 12.

    PMID: 20036199BACKGROUND
  • Steven D, Sultan A, Reddy V, Luker J, Altenburg M, Hoffmann B, Rostock T, Servatius H, Stevenson WG, Willems S, Michaud GF. Benefit of pulmonary vein isolation guided by loss of pace capture on the ablation line: results from a prospective 2-center randomized trial. J Am Coll Cardiol. 2013 Jul 2;62(1):44-50. doi: 10.1016/j.jacc.2013.03.059. Epub 2013 May 1.

    PMID: 23644091BACKGROUND
  • Caponi D, Corleto A, Scaglione M, Blandino A, Biasco L, Cristoforetti Y, Cerrato N, Toso E, Morello M, Gaita F. Ablation of atrial fibrillation: does the addition of three-dimensional magnetic resonance imaging of the left atrium to electroanatomic mapping improve the clinical outcome?: a randomized comparison of Carto-Merge vs. Carto-XP three-dimensional mapping ablation in patients with paroxysmal and persistent atrial fibrillation. Europace. 2010 Aug;12(8):1098-104. doi: 10.1093/europace/euq107. Epub 2010 Apr 17.

    PMID: 20400766BACKGROUND
  • De Potter T Jr, Bardhaj G, Viggiano A, Morrice K, Geelen P. Three-dimensional Rotational Angiography as a Periprocedural Imaging Tool in Atrial Fibrillation Ablation. Arrhythm Electrophysiol Rev. 2014 Nov;3(3):173-6. doi: 10.15420/aer.2014.3.3.173. Epub 2014 Nov 29.

    PMID: 26835087BACKGROUND
  • Singh SM, Heist EK, Donaldson DM, Collins RM, Chevalier J, Mela T, Ruskin JN, Mansour MC. Image integration using intracardiac ultrasound to guide catheter ablation of atrial fibrillation. Heart Rhythm. 2008 Nov;5(11):1548-55. doi: 10.1016/j.hrthm.2008.08.027. Epub 2008 Aug 29.

    PMID: 18984531BACKGROUND
  • Rordorf R, Chieffo E, Savastano S, Vicentini A, Petracci B, De Regibus V, Valentini A, Klersy C, Dore R, Landolina M. Anatomical mapping for atrial fibrillation ablation: a head-to-head comparison of ultrasound-assisted reconstruction versus fast anatomical mapping. Pacing Clin Electrophysiol. 2015 Feb;38(2):187-95. doi: 10.1111/pace.12539. Epub 2014 Dec 2.

    PMID: 25469451BACKGROUND
  • Kaseno K, Hisazaki K, Nakamura K, Ikeda E, Hasegawa K, Aoyama D, Shiomi Y, Ikeda H, Morishita T, Ishida K, Amaya N, Uzui H, Tada H. The impact of the CartoSound(R) image directly acquired from the left atrium for integration in atrial fibrillation ablation. J Interv Card Electrophysiol. 2018 Dec;53(3):301-308. doi: 10.1007/s10840-018-0368-5. Epub 2018 Apr 14.

    PMID: 29656326BACKGROUND
  • Baran J, Stec S, Pilichowska-Paszkiet E, Zaborska B, Sikora-Frac M, Krynski T, Michalowska I, Lopatka R, Kulakowski P. Intracardiac echocardiography for detection of thrombus in the left atrial appendage: comparison with transesophageal echocardiography in patients undergoing ablation for atrial fibrillation: the Action-Ice I Study. Circ Arrhythm Electrophysiol. 2013 Dec;6(6):1074-81. doi: 10.1161/CIRCEP.113.000504. Epub 2013 Nov 15.

    PMID: 24243787BACKGROUND
  • Brooks AG, Wilson L, Chia NH, Lau DH, Alasady M, Leong DP, Laborderie J, Roberts-Thomson KC, Young GD, Kalman JM, Sanders P. Accuracy and clinical outcomes of CT image integration with Carto-Sound compared to electro-anatomical mapping for atrial fibrillation ablation: a randomized controlled study. Int J Cardiol. 2013 Oct 3;168(3):2774-82. doi: 10.1016/j.ijcard.2013.03.130. Epub 2013 Apr 25.

    PMID: 23623342BACKGROUND
  • Kulakowski P, Sikorska A, Piotrowski R, Krynski T, Baran J. Ablation for paroxysmal atrial fibrillation-real-life results from a middle-volume electrophysiology laboratory. J Interv Card Electrophysiol. 2021 Dec;62(3):549-556. doi: 10.1007/s10840-020-00937-1. Epub 2021 Jan 9.

    PMID: 33423186BACKGROUND
  • Haissaguerre M, Jais P, Shah DC, Takahashi A, Hocini M, Quiniou G, Garrigue S, Le Mouroux A, Le Metayer P, Clementy J. Spontaneous initiation of atrial fibrillation by ectopic beats originating in the pulmonary veins. N Engl J Med. 1998 Sep 3;339(10):659-66. doi: 10.1056/NEJM199809033391003.

MeSH Terms

Conditions

Atrial Fibrillation

Condition Hierarchy (Ancestors)

Arrhythmias, CardiacHeart DiseasesCardiovascular DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Central Study Contacts

Piotr Kulakowski, Prof

CONTACT

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Consecutive patients prospectively included in one of the two study groups
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

May 27, 2021

First Posted

June 11, 2021

Study Start

May 24, 2021

Primary Completion

May 24, 2023

Study Completion

May 24, 2024

Last Updated

January 10, 2023

Record last verified: 2023-01

Data Sharing

IPD Sharing
Will share

If individual data will be rquired by reviewers or other investigators (for example, for meta-analysis maiking) we will provide all details

Shared Documents
STUDY PROTOCOL, SAP, ICF, CSR, ANALYTIC CODE
Time Frame
from May 2024
Access Criteria
after personal contact access criteria will be defined

Locations