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.
調査の概要
研究の種類
入学 (推定)
段階
- 適用できない
連絡先と場所
研究連絡先
- 名前:Josh Treadway
- 電話番号:817-412-0608
- メール:josh.b.treadway@medtronic.com
研究連絡先のバックアップ
- 名前:Mckenna Jones
- 電話番号:720-837-3089
- メール:mckenna.jones@medtronic.com
研究場所
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Colorado
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Littleton、Colorado、アメリカ、80120-5654
- 積極的、募集していない
- South Denver Cardiology Associates
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Indiana
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Indianapolis、Indiana、アメリカ、46260
- 募集
- Ascension Saint Vincent Hospital - Indianapolis
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コンタクト:
- Jennifer Brown
- 電話番号:(317) 338-6439
- メール:jennifer.brown4@ascension.org
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New York
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Manhasset、New York、アメリカ、11030-3816
- 募集
- Northwell Health Lenox Hill Hospital
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コンタクト:
- Afia Haque
- 電話番号:(718) 470-7330
- メール:ahaque5@northwell.edu
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New York、New York、アメリカ、10016-4972
- 積極的、募集していない
- NYU Langone Medical Center
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North Carolina
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Winston-Salem、North Carolina、アメリカ、27157-0001
- 募集
- Atrium Health Wake Forest Baptist Medical Center
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コンタクト:
- Keishia Rodriguez
- 電話番号:(336) 718-5807
- メール:kyrodrig@wakehealth.edu
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Ohio
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Columbus、Ohio、アメリカ、43210-1240
- 募集
- The Ohio State University Wexner Medical Center
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コンタクト:
- Adrianne Miller
- 電話番号:(614) 688-8252
- メール:adrianne.miller3@osumc.edu
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Texas
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Austin、Texas、アメリカ、78705-1852
- 募集
- Texas Cardiac Arrhythmia Research Foundation
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コンタクト:
- Deb Cardinal
- 電話番号:(512) 522-9410
- メール:dscardinal@austinheartbeat.com
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
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.
研究計画
研究はどのように設計されていますか?
デザインの詳細
- 主な目的:処理
- 割り当て:なし
- 介入モデル:単一グループの割り当て
- マスキング:なし(オープンラベル)
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
|
実験的: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. |
この研究は何を測定していますか?
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Primary Safety
時間枠: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
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Primary Effectiveness
時間枠:Through 6 months after the index ablation procedure
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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
|
協力者と研究者
捜査官
- 主任研究者:Vivek Reddy, MD、Icahn School of Medicine at Mount Sinai
- 主任研究者:Pasquale Santangeli, MD、The Cleveland Clinic
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (推定)
研究の完了 (推定)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
キーワード
その他の研究ID番号
- Sphere VT
個々の参加者データ (IPD) の計画
個々の参加者データ (IPD) を共有する予定はありますか?
医薬品およびデバイス情報、研究文書
米国FDA規制医薬品の研究
米国FDA規制機器製品の研究
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