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Dual Energy Focal Ablation of Premature Ventricular Complexes (DUAL-PVC)

8 de novembro de 2026 atualizado por: Konstantinos Siontis

Dual Energy (RF/PF) Focal Ablation of Premature Ventricular Complexes: the DUAL-PVC Prospective Clinical Trial

The purpose of this research is to understand whether a dual-energy catheter ablation system that uses radiofrequency (RF) and pulsed-field (PF) energy can safely and effectively treat premature ventricular contractions (PVCs).

Visão geral do estudo

Status

Ainda não está recrutando

Condições

Intervenção / Tratamento

Tipo de estudo

Intervencional

Inscrição (Estimado)

60

Estágio

  • Não aplicável

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Contato de estudo

Locais de estudo

    • Minnesota
      • Rochester, Minnesota, Estados Unidos, 55905
        • Mayo Clinic

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

18 anos e mais velhos (Adulto, Adulto mais velho)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Descrição

Inclusion Criteria:

  • ≥10% burden of the target PVC on ambulatory rhythm monitoring within 3 months prior to enrollment. The qualifying ambulatory monitor may be of any duration (1-30 days) per standard of care and may be distinct from the baseline 12-lead Holter required within 30 days before ablation

  • Guideline-supported indication for first-time or redo catheter ablation of PVCs at the judgment of the electrophysiologist. Specifically:

    • Patients with symptomatic PVCs for whom antiarrhythmic medications are ineffective, not tolerated, or not the patient's preference.
    • Suspected or confirmed PVC-induced cardiomyopathy
    • Enrollment of patients requiring a redo procedure will be capped at 30% of planned enrollment (n=18) if the target PVC is the same or similar to that targeted in previous procedure(s), per review of the study investigator
  • Patients with and without known structural heart disease are eligible

  • Ability to undergo study-directed cardiac MRI pre- and post-procedure

  • Ability to undergo study-directed post-ablation coronary CT angiography

  • Ability to provide written informed consent

Exclusion Criteria:

  • LVEF <35%
  • NYHA class IV
  • Presence of multifocal PVCs (>=3 distinct morphologies) on available pre-baseline standard-of-care ambulatory monitor and ECG tracings per the review of the study team.
  • PVCs attributable to a reversible or non-cardiac cause (e.g., electrolyte imbalance or active thyroid disease).
  • History of sustained VT or VF.
  • Current or recent (<4 weeks) decompensated heart failure.
  • Active systemic infection.
  • Contraindication to LGE-MRI or contrast CT.
  • Known allergy to iodinated contrast dye that cannot be adequately managed with pre-medication protocol.
  • Thrombocytopenia (platelet count <50,000/mm³) or known coagulopathy.
  • Contraindication to systemic anticoagulation.
  • Severe valvular disease requiring future intervention.
  • Mechanical valve prosthesis.
  • Pregnancy.
  • Recent acute coronary syndrome (<6 months).
  • Un-revascularized coronary artery disease.
  • Presence of left ventricular assist device (LVAD) or transplanted heart.
  • Presence of intracardiac thrombus.
  • Current use of inotropes.
  • Recent stroke or TIA (<6 months).
  • Presence of a systemic illness likely to limit survival to <1 year.
  • Patient enrollment in other clinical study that could conflict with the current investigation.

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Tratamento
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Nenhum (rótulo aberto)

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Experimental: RF-PF Sequential Ablation

Participants are assigned to receive radiofrequency (RF) followed by pulsed-field (PF) at each selected treatment site. For each PF treatment, 24 PF bursts are delivered. Up to three stacked lesions may be performed at the same location.

The THERMOCOOL SMARTTOUCH™ SF Bi-Directional Navigation Catheter is an irrigated, contact-force-sensing catheter used to map the heart and deliver radiofrequency (RF) or pulsed-field (PF) energy to selected treatment sites. The catheter is connected to the TRUPULSE™ Generator, which provides both energy types, and to the nGEN™ Pump, which controls saline irrigation. The system is used with the CARTO™ 3 electroanatomic mapping system and workstation with the VISITAG SURPOINT™ Module to display heart anatomy, catheter location, catheter-to-tissue contact, and treatment information during the procedure.

Experimental: PF-Only Ablation

Participants are assigned to receive pulsed-field (PF) alone at each selected treatment site. For each PF treatment, 24 PF bursts are delivered. Up to three stacked lesions may be performed at the same location.

The THERMOCOOL SMARTTOUCH™ SF Bi-Directional Navigation Catheter is an irrigated, contact-force-sensing catheter used to map the heart and deliver radiofrequency (RF) or pulsed-field (PF) energy to selected treatment sites. The catheter is connected to the TRUPULSE™ Generator, which provides both energy types, and to the nGEN™ Pump, which controls saline irrigation. The system is used with the CARTO™ 3 electroanatomic mapping system and workstation with the VISITAG SURPOINT™ Module to display heart anatomy, catheter location, catheter-to-tissue contact, and treatment information during the procedure.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Number of Participants With Successful Delivery of Ablation Lesions Using the Dual-Energy THERMOCOOL SMARTTOUCH SF Catheter With the TRUPULSE Generator
Prazo: During the index ablation procedure

Feasibility is defined as successful delivery of ablation energy at the targeted premature ventricular complex (PVC) site. Delivery counts as successful only if there is no study device deficiency or malfunction that prevents energy delivery, and no need to convert to a bailout ablation approach.

During the index ablation procedure

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Acute procedural success
Prazo: End of the ablation procedure

Number of participants with elimination of the target premature ventricular contraction by the end of the procedure.

End of the ablation procedure
Participants with greater than 80% reduction in target PVC burden
Prazo: 1 month, 6 months

Number of participants with greater than 80% reduction from baseline in the burden of the target premature ventricular contraction on Holter monitoring.

1 month, 6 months
Change in Short Form Health Survey (SF-36) score
Prazo: Baseline, 1 month, 6 months

The 36-Item Short Form Health Survey (SF-36) is a participant-reported questionnaire that assesses health-related quality of life across eight domains: physical functioning, role limitations due to physical health, bodily pain, general health, vitality, social functioning, role limitations due to emotional problems, and mental health. Total scores range from 0 to 100. Higher scores indicate better health status.

Baseline, 1 month, 6 months
Change in EQ-5D score
Prazo: Baseline, 1 month, 6 months

The EQ-5D is a participant-reported measure of health-related quality of life covering five dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Responses across the five dimensions define the participant's health state. Higher scores indicate better health.

Baseline, 1 month, 6 months
Number of Participants With New Coronary Artery Stenosis on Coronary CT Angiography at 6 Months After Ablation
Prazo: 6 months

Total number of patients with new-onset coronary luminal stenosis found on CT coronary angiography

6 months
Total Procedure Time
Prazo: From start to finish of index ablation procedure

Total procedure time will be reported in minutes

From start to finish of index ablation procedure
Electrogram endpoints
Prazo: Intraprocedure

EGM amplitude changes after PF, RF, and RF-PF lesion delivery

Intraprocedure
Ablation Lesion Depth
Prazo: 1 month and 6 months after ablation

Maximum depth of the ablation lesion at the target premature ventricular complex (PVC) site. Depth is measured from the endocardial surface on late gadolinium enhancement (LGE) cardiac MRI. Only participants with an evaluable post-ablation MRI are analyzed. Reported in millimeters.

1 month and 6 months after ablation
Ablation Lesion Width
Prazo: 1 month and 6 months after ablation

Maximum width of the ablation lesion at the target PVC site, measured on LGE cardiac MRI. Only participants with an evaluable post-ablation MRI are analyzed. Reported in millimeters.

1 month and 6 months after ablation
Ablation Lesion Volume
Prazo: 1 month and 6 months after ablation

Total volume of the ablation lesion at the target PVC site, measured on LGE cardiac MRI. Only participants with an evaluable post-ablation MRI are analyzed. Reported in cubic centimeters.

1 month and 6 months after ablation
Number of Radiofrequency (RF) Lesions Delivered per Participant
Prazo: During the index ablation procedure

Total number of RF lesions delivered with the study catheter during the index procedure

During the index ablation procedure
Number of Pulsed-Field (PF) Lesions Delivered per Participant
Prazo: During the index ablation procedure

Total number of PF lesions delivered with the study catheter during the index procedure

During the index ablation procedure

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

Investigadores

  • Investigador principal: Konstantinos Siontis, MD, Mayo Clinic

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo (Estimado)

1 de janeiro de 2027

Conclusão Primária (Estimado)

1 de janeiro de 2029

Conclusão do estudo (Estimado)

1 de junho de 2029

Datas de inscrição no estudo

Enviado pela primeira vez

21 de outubro de 2026

Enviado pela primeira vez que atendeu aos critérios de CQ

8 de novembro de 2026

Primeira postagem (Real)

13 de novembro de 2026

Atualizações de registro de estudo

Última Atualização Postada (Real)

13 de novembro de 2026

Última atualização enviada que atendeu aos critérios de controle de qualidade

8 de novembro de 2026

Última verificação

1 de novembro de 2026

Mais Informações

Termos relacionados a este estudo

Outros números de identificação do estudo

  • 25-013930

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

NÃO

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Sim

Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .