跳至主要内容
临床试验/NCT05501652
NCT05501652已完成1 期

Evaluation of the Safety and Efficacy of a Percutaneously Created Interatrial Shunt in Patients With Chronic Heart Failure Without Pulmonary Vascular Disease

Alleviant Medical, Inc.1 个研究点 分布在 1 个国家目标入组 5 人开始时间: 2022年6月30日最近更新:
适应症

试验速览

阶段
1 期
状态
已完成
入组人数
5
试验地点
1
主要终点
Primary Safety Endpoint

研究概览

简要总结

Patients with heart failure and reduced left ventricular ejection fraction (HFrEF, EF 25-39%), or mid-range left ventricular ejection fraction (HFmrEF, EF 40-49%), or preserved left ventricular ejection fraction (HFpEF, EF ≥ 50%), with mild to moderate functional limitation will be evaluated for treatment via creation of a no-implant interatrial shunt using clinical, echocardiographic, and invasive hemodynamic data.

研究设计

研究类型
Interventional
分配方式
Na
干预模型
Single Group
主要目的
Treatment
盲法
None

入排标准

年龄范围
40 Years 至 —(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • NYHA class II if a prior history of > NYHA class II; OR NYHA class III; OR ambulatory NYHA class IV symptoms (paroxysmal nocturnal dyspnea, orthopnea, dyspnea on mild or moderate exertion) at screening visit.
  • Within 12 months of study entry: ≥ 1 HF hospital admission (with HF as the primary or secondary diagnosis); OR treatment with IV diuretics; OR an NT-pro BNP value > 150 pg/ml in normal sinus rhythm, > 450 pg/ml in atrial fibrillation, or a BNP value > 50 pg/ml in normal sinus rhythm, > 150 pg/ml in atrial fibrillation within the past 6 months.
  • Site determined echocardiographic LVEF > 25% as measured by the study specific screening transthoracic echo.
  • Site determined hemodynamic criteria assessed by the screening supine bicycle exercise right heart catheterization test, including each of the components (a)-(b) below:
  • a. At rest: i. RAP < 14 mmHg ii. PVR < 3.5 Wood units iii. PAS < 70 mmHg iv. Cardiac Index > 1.9 L/min b. At exercise (25-watts): i. PCWP must have a gradient > 5 mmHg of the RA ii. End-expiratory PCWP ≥ 25 mmHg iii. PVR < 1.8 Wood units [if PVR cannot be obtained (e.g., patient stopped pedaling), TPG < 12 mmHg]

排除标准

  • Presence of advanced heart failure documented in the medical history, defined as one or more of the following:
  • ACC/AHA/ESC Stage D heart failure, non-ambulatory NYHA Class IV HF
  • Cardiac index < 2.0 L/min/m2
  • Inotropic infusion (continuous or intermittent) for EF < 40% within the past 6 months
  • Patient is on the cardiac transplant waiting list.
  • Presence of uncorrected valve disease documented in the medical history and/or confirmed by the study-specific TTE protocol performed during screening, defined as one or more of the following:
  • Greater than moderate mitral regurgitation
  • Greater than moderate mitral stenosis
  • Greater than mild tricuspid regurgitation
  • Greater than moderate aortic stenosis
  • Greater than moderate aortic regurgitation
  • Presence of clinically significant untreated carotid artery stenosis documented in the medical history that is likely to require intervention.
  • Presence of clinically significant un-revascularized coronary artery disease documented in the medical history that is likely to require intervention, defined as epicardial coronary artery stenosis associated with angina or other evidence of coronary ischemia.
  • Presence of hypertrophic obstructive cardiomyopathy, restrictive cardiomyopathy, constrictive pericarditis, cardiac amyloidosis or other infiltrative cardiomyopathy such as hemochromatosis or sarcoidosis.
  • Presence of uncontrolled tachyarrhythmia documented in the medical history.
  • Medical history of one or more of the following cardiac procedures:
  • MI and/or percutaneous coronary intervention (PCI) within the past 3 months
  • CABG within the past 3 months
  • SAVR or TAVR within the past 6 months
  • MVR or TMVR within the past 6 months
  • Medical history of any implanted pacemaker device.
  • Medical history of cardiac ablation procedure (either for atrial or ventricular arrhythmias) within the past 3 months.
  • Presence of chronic pulmonary disease documented in the medical history, defined by one or more of the following:
  • Current requirement for continuous home oxygen use
  • Hospitalization within the past 12 months for treatment of chronic pulmonary disease
  • Significant chronic pulmonary disease defined as FEV1 < 50% of predicted
  • If COPD is documented in the medical history and the patient is taking oral or inhaled COPD medication at the time of screening, then a spirometry test is to be performed and patient excluded if FEV1 < 50%.
  • Presence of pulmonary hypertension with PASP ≥ 70 mmHg OR PVR > 3.5 Wood units at rest, documented in the medical history or diagnosed during the initial right heart catheterization.

结局指标

主要结局

Primary Safety Endpoint

时间窗: 1-Month

The composite incidence of one or more of the following through the 1-month follow-up visit: major adverse cardiac, cerebrovascular and thromboembolic events.

Primary Efficacy Endpoint

时间窗: 1-Month

Change in supine exercise PCWP at 25-watts exercise from baseline to Month 1.

次要结局

未报告次要终点

研究者

申办方类型
Industry
责任方
Sponsor

研究点 (1)

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