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Expert opinion on design and endpoints for studies on catheter ablation of atrial fibrillation

Introduction Catheter ablation of atrial fibrillation (AF) is frequently studied in randomized trials, observational and registry studies. The aim of this expert opinion is to provide guidance for clinicians and industry regarding the development of future clinical studies on catheter ablation of AF...

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Published in:Journal of cardiovascular electrophysiology 2024-11, Vol.35 (11), p.2182-2201
Main Authors: Lewalter, Thorsten, Blomström‐Lundqvist, Carina, Lakkireddy, Dhanunjaya, Packer, Douglas, Meyer, Ralf, Kuniss, Malte, Ladwig, Karl‐H., Jilek, Clemens, Diener, Hans‐C., Boriani, Giuseppe, Turakhia, Mintu P., Schneider, Steffen, Svennberg, Emma, Albers, Bert, Andrade, Jason G., Melis, Mirko, Brachmann, Johannes
Format: Article
Language:English
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Summary:Introduction Catheter ablation of atrial fibrillation (AF) is frequently studied in randomized trials, observational and registry studies. The aim of this expert opinion is to provide guidance for clinicians and industry regarding the development of future clinical studies on catheter ablation of AF, implement lessons learned from previous studies, and promote a higher degree of consistency across studies. Background Studies on catheter ablation of AF may benefit from well‐described definitions of endpoints and consistent methodology and documentation of outcomes related to efficacy, safety and cost‐effectiveness. The availably of new, innovative technologies warrants further consideration about their application and impact on study design and the choice of endpoints. Moreover, recent insights gained from AF ablation studies suggest a reconsideration of some methodological aspects. Methods A panel of clinical experts on catheter ablation of AF and designing and conducting clinical studies developed an expert opinion on the design and endpoints for studies on catheter ablation of AF. Discussions within the expert panel with the aim to reach consensus on predefined topics were based on outcomes reported in the literature and experiences from recent clinical trials. Results A comprehensive set of recommendations is presented. Key elements include the documentation of clinical AF, medication during the study, repeated ablations and their effect on endpoint assessments, postablation blanking and the choice of rhythm‐related and other endpoints. Conclusion This expert opinion provides guidance and promotes consistency regarding design of AF catheter ablation studies and identified aspects requiring further research to optimize study design and methodology. CONDENSED ABSTRACT Recent insights from studies on catheter ablation of atrial fibrillation (AF) and the availability of new innovative technologies warrant reconsideration of methodological aspects related to study design and the choice and assessment of endpoints. This expert opinion, developed by clinical experts on catheter ablation of AF provides a comprehensive set of recommendations related to these methodological aspects. The aim of this expert opinion is to provide guidance for clinicians and industry regarding the development of clinical studies, implement lessons learned from previous studies, and promote a higher degree of consistency across studies.
ISSN:1045-3873
1540-8167
1540-8167
DOI:10.1111/jce.16443