Restoring Sinus Rhythm Using Dual-Shock Technique in Patients With Atrial Fibrillation (DUAL-SHOCK)
Restoring Sinus Rhythm Using DUAL-electrical SHOCK Technique: the DUAL-SHOCK Trial
The goal of this clinical trial is to assess the efficacy and acute safety of the dual electrical cardioversion (ECV) technique compared with the conventional ECV in patients with persistent atrial fibrillation. The main question it aims to answer are:
- Is dual ECV more effective than conventional ECV to achieve sinus rhythm restoration?
- Is dual ECV safe compared with conventional ECV?
- Which are the main factors associated with cardioversion success?
Researchers will compare a dual ECV technique with 400J with dual ECV with 200J and conventional ECV.
Participants will be randomized to one ECV configuration. The primary efficacy endpoint will be considered the percentage of patients with successful cardioversion with the first shock. The coprimary safety endpoint will be the occurrence of adverse events during ECV.
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Tipo di studio
Iscrizione (Stimato)
Fase
- Fase 2
- Fase 3
Contatti e Sedi
Contatto studio
- Nome: Martín Negreira-Caamaño, MD, PhD
- Numero di telefono: +34 916839360
- Email: martin.negcam@gmail.com
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Diagnosis of persistent AF.
- Effective anticoagulation for at least 3 weeks prior to the procedure or exclusion of intra-atrial thrombus by transesophageal echocardiography within the last 24 hours.
- Informed consent obtained.
Exclusion Criteria:
- Long-standing persistent atrial fibrillation (more than 1 year of uninterrupted AF rhythm).
- Emergency indication (hemodynamic instability).
- Cardiac defibrillation following catheter ablation procedures. Cardiac defibrillation performed during the same procedure will be permitted if it is carried out prior to ablation.
- Pregnancy.
- Age <18 years or legal incapacity.
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione sequenziale
- Mascheramento: Doppio
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Comparatore attivo: Conventional Electrical Cardioversion
Conventional ECV with single pad configurataion in antero-lateral or antero-posterior location.
Energy deliver: 200J
|
Defibrillation pads will be placed in the anteroposterior or anterolateral position. An initial biphasic shock of 200 J will be delivered. If sinus rhythm is not restored, a second dual shock of 400 J (crossover) will be administered. The procedures will be performed in the designated area for such procedures at each center, under deep sedation in accordance with each center's standard protocols. The choice of medication used for sedation will be at the investigator's discretion. All shocks will be delivered using biphasic energy and ECG-synchronized. |
|
Sperimentale: Dual-Shock 400J
ECV with dual shock technique.
Double pad configuration with electrodes both in antero-lateral and antero-posterior location.
Total energy deliver: 400J.
|
Two pairs of defibrillation pads connected to two different defibrillators will be used. One pair of pads will be placed in the anterolateral position and the second pair in the anteroposterior position. Both defibrillators will be programmed to deliver a biphasic shock of 100 J each (200 J group) or 200 J each (400 J group) simultaneously. The maximum number of CVE attempts per patient will be 3. The procedures will be performed in the designated area for such procedures at each center, under deep sedation in accordance with each center's standard protocols. The choice of medication used for sedation will be at the investigator's discretion. All shocks will be delivered using biphasic energy and synchronized with the QRS complex. |
|
Sperimentale: Dual-Shock 200J
ECV with dual shock technique.
Double pad configuration with electrodes both in antero-lateral and antero-posterior location.
Total energy deliver: 200J.
|
Two pairs of defibrillation pads connected to two different defibrillators will be used. One pair of pads will be placed in the anterolateral position and the second pair in the anteroposterior position. Both defibrillators will be programmed to deliver a biphasic shock of 100 J each (200 J group) or 200 J each (400 J group) simultaneously. The maximum number of CVE attempts per patient will be 3. The procedures will be performed in the designated area for such procedures at each center, under deep sedation in accordance with each center's standard protocols. The choice of medication used for sedation will be at the investigator's discretion. All shocks will be delivered using biphasic energy and synchronized with the QRS complex. |
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Primary Efficacy Outcome - Patients achieving sinus rhythm with the first shock
Lasso di tempo: First minute after first shock delivery
|
Percentage of patients achieving sinus rhythm with the first shock deliver.
Three consecutive beats in sinus rhythm are neccesary to consider sinus rhythm achieved.
|
First minute after first shock delivery
|
|
Primary Safety Outcome - Adverse events during the procedure
Lasso di tempo: Before patient are discharged
|
Ocurrence of any complication during the ECV.
Arrhythmic recurrences of atrial fibrillation will not be considered as complications.
|
Before patient are discharged
|
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Overall Procedural Sucess
Lasso di tempo: The end of the procedure
|
Percentage of patients achieving stable sinus rhythm after any number of shocks
|
The end of the procedure
|
|
Overall Intervention-Specific Success
Lasso di tempo: First minute after shock delivery
|
Number of successful shocks / Overall delivered shock within the same pad configuration.
|
First minute after shock delivery
|
|
Total Energy Delivered
Lasso di tempo: End of the procedure
|
Total energy administered (J) before the procedure is completed
|
End of the procedure
|
|
Sub-acute procedural success
Lasso di tempo: At 30 (25-35) days after the procedure
|
Percentage of patients in sinus rhythm at 30 days after the ECV
|
At 30 (25-35) days after the procedure
|
Collaboratori e investigatori
Sponsor
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Inizio studio (Stimato)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- 25-129
Piano per i dati dei singoli partecipanti (IPD)
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Descrizione del piano IPD
Tipo di informazioni di supporto alla condivisione IPD
- STUDIO_PROTOCOLLO
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