- ICH GCP
- Registre américain des essais cliniques
- Essai clinique NCT07585968
Safety and Effectiveness of the Sphere-9™ Catheter and Affera™ Ablation System for the Treatment of Ventricular Tachycardia (Sphere VT)
Safety and Effectiveness of the Sphere-9™ Catheter and Affera™ Ablation System for the Treatment of Ventricular Tachycardia
Sphere VT is a prospective, multi-center, single-arm, unblinded pivotal clinical study. Adult subjects with recurrent, sustained, monomorphic ventricular tachycardia (MMVT) due to prior myocardial infarction (MI) will be enrolled and treated with the Sphere-9 Catheter and Affera Ablation System.
Aperçu de l'étude
Statut
Les conditions
Intervention / Traitement
Type d'étude
Inscription (Estimé)
Phase
- N'est pas applicable
Contacts et emplacements
Coordonnées de l'étude
- Nom: Josh Treadway
- Numéro de téléphone: 817-412-0608
- E-mail: josh.b.treadway@medtronic.com
Sauvegarde des contacts de l'étude
- Nom: Mckenna Jones
- Numéro de téléphone: 720-837-3089
- E-mail: mckenna.jones@medtronic.com
Lieux d'étude
-
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Colorado
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Littleton, Colorado, États-Unis, 80120-5654
- Actif, ne recrute pas
- South Denver Cardiology Associates
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Indiana
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Indianapolis, Indiana, États-Unis, 46260
- Recrutement
- Ascension Saint Vincent Hospital - Indianapolis
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Contact:
- Jennifer Brown
- Numéro de téléphone: (317) 338-6439
- E-mail: jennifer.brown4@ascension.org
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New York
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Manhasset, New York, États-Unis, 11030-3816
- Recrutement
- Northwell Health Lenox Hill Hospital
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Contact:
- Afia Haque
- Numéro de téléphone: (718) 470-7330
- E-mail: ahaque5@northwell.edu
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New York, New York, États-Unis, 10016-4972
- Actif, ne recrute pas
- NYU Langone Medical Center
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North Carolina
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Winston-Salem, North Carolina, États-Unis, 27157-0001
- Recrutement
- Atrium Health Wake Forest Baptist Medical Center
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Contact:
- Keishia Rodriguez
- Numéro de téléphone: (336) 718-5807
- E-mail: kyrodrig@wakehealth.edu
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Ohio
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Columbus, Ohio, États-Unis, 43210-1240
- Recrutement
- The Ohio State University Wexner Medical Center
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Contact:
- Adrianne Miller
- Numéro de téléphone: (614) 688-8252
- E-mail: adrianne.miller3@osumc.edu
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Texas
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Austin, Texas, États-Unis, 78705-1852
- Recrutement
- Texas Cardiac Arrhythmia Research Foundation
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Contact:
- Deb Cardinal
- Numéro de téléphone: (512) 522-9410
- E-mail: dscardinal@austinheartbeat.com
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Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
- Prior myocardial infarction (MI).
- At least one episode of sustained (continuous for >30 seconds or requiring ICD intervention for termination) monomorphic ventricular tachycardia within the 6 months prior to enrollment.
- Recurrence of sustained ventricular tachycardia despite Class I or III antiarrhythmic drug therapy or ICD intervention.
- Implanted with an implantable cardiac defibrillator (ICD) or CRT-D for at least 2 months prior to the ablation procedure.
- Age 18 through 85 years old.
- Willing and able to provide informed consent.
- Willing and able to comply with all pre-, post-, and follow-up testing requirements.
Exclusion Criteria:
- Incessant VT necessitating hemodynamic support prior to the ablation procedure.
- Unstable polymorphic VT or ventricular fibrillation (VF).
- Idiopathic VT or VT of non-ischemic cardiomyopathy.
- VT secondary to electrolyte imbalance, active thyroid disease, or any other reversible or non-cardiac cause (e.g., drug-induced arrhythmia).
- VT or VF thought to be from channelopathies.
- More than two prior VT ablations at any time, more than one prior VT ablation within 12 months prior to the ablation procedure, or any VT ablation within 4 weeks prior to the ablation procedure.
- Sarcoidosis.
- Hypertrophic cardiomyopathy, except when due to an apical aneurysm.
- Unstable angina.
- Active myocardial ischemia.
- Type 1 myocardial infarction within 2 months (60 days) prior to the ablation procedure.
- Any percutaneous coronary intervention performed in a setting of unstable angina or acute MI (STEMI or non-STEMI) within 2 months (60 days) prior to the ablation procedure. Note: elective PCI performed during elective angiogram would be excluded only if occurring within 30 days prior to the ablation procedure.
- Any cardiac surgery within 2 months (60 days) prior to the ablation procedure. Note: ICD lead implant/replacement falls under this exclusion, but ICD generator-only replacement does not.
- Left ventricular ejection fraction (LVEF) <15%.
- NYHA Class IV heart failure.
- Decompensated heart failure.
- Extravascular ICD (EV-ICD) or subcutaneous ICD (S-ICD)
- Currently receiving support, or anticipated to receive support prior to the index ablation procedure, via extracorporeal membrane oxygenation (ECMO).
- Circulatory/ventricular assist device (VAD; surgical or percutaneous) implanted, planned or required for the procedure.
- Severe aortic or mitral stenosis, or severe aortic or mitral regurgitation.
- Presence of prosthetic valve in the aortic or mitral valve.
- Patients with advanced COPD (on home oxygen).
- Presence of intracardiac tumor or other abnormality that precludes vascular access, catheter introduction, or manipulation.
- Thromboembolic event (stroke or transient ischemic attack) within 6 months (180 days) prior to the index ablation procedure or with neurologic deficit.
- Left atrium (LA) or left ventricle (LV) intracardiac thrombus on imaging.
- Severe bleeding, clotting or thrombotic disorder, or thrombocytopenia (defined as platelet count <80,000).
- Contraindication to anticoagulation.
- End-stage renal disease (requiring dialysis).
- Acute illness, active infection, or sepsis.
- Life expectancy less than 12 months.
- Any woman known to be pregnant or breastfeeding, or any woman of childbearing potential who is not on a reliable form of birth regulation method or abstinence.
- Body mass index >45 kg/m2.
- Known ongoing drug or alcohol dependency.
- Current or anticipated participation in any other ongoing study of a drug, device, or biologic during the duration of the study not pre-approved by the Sponsor.
- Vulnerable subjects (such as a prisoner, handicapped or mentally disabled person, or person under tutelage or guardianship).
- Any other condition that, in the opinion of the investigator, would preclude enrollment in this study or compliance with follow-up requirements or would pose a significant hazard to the subject if an ablation procedure were performed.
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: N / A
- Modèle interventionnel: Affectation à un seul groupe
- Masquage: Aucun (étiquette ouverte)
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
|
Expérimental: Ventricular tachycardia catheter ablation
Ablation using the Sphere-9 Catheter with the Affera Mapping and Ablation System |
Adult subjects with ventricular tachycardia will be enrolled and undergo ablation with the Sphere-9 Catheter with the Affera Mapping and Ablation System. |
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Primary Safety
Délai: As applicable, within 7 days or 3 months after the index ablation procedure
|
A pre-defined list of device- or procedure-related SAEs, as adjudicated by the Clinical Events Committee (CEC), occurring within 7 days after the index ablation procedure (or within 3 months after the index ablation procedure for any esophago-pericardial fistula/esophageal perforation) will be considered a primary safety event. |
As applicable, within 7 days or 3 months after the index ablation procedure
|
|
Primary Effectiveness
Délai: Through 6 months after the index ablation procedure
|
Freedom from recurrence of sustained monomorphic VT (MMVT) in the absence of new or increased dose of Class I or III antiarrhythmic drugs (AAD) through 6 months after the index ablation procedure. |
Through 6 months after the index ablation procedure
|
Collaborateurs et enquêteurs
Parrainer
Les enquêteurs
- Chercheur principal: Vivek Reddy, MD, Icahn School of Medicine at Mount Sinai
- Chercheur principal: Pasquale Santangeli, MD, The Cleveland Clinic
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Achèvement primaire (Estimé)
Achèvement de l'étude (Estimé)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- Sphere VT
Plan pour les données individuelles des participants (IPD)
Prévoyez-vous de partager les données individuelles des participants (DPI) ?
Informations sur les médicaments et les dispositifs, documents d'étude
Étudie un produit pharmaceutique réglementé par la FDA américaine
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