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Heart Failure clinical trials

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NCT ID: NCT03781258 Enrolling by invitation - Heart Failure Clinical Trials

Anti-thrombotic Monotherapy in HeartMate 3 Left Ventricular Assist System (LVAS)

Start date: November 23, 2018
Phase: N/A
Study type: Interventional

The purpose of this prospective controlled study is to obtain a multi-center safety and feasibility data on patients managed with anti-thrombotic monotherapy with HeartMate 3 LVAS.

NCT ID: NCT03768804 Enrolling by invitation - Clinical trials for Heart Failure, Systolic

SyncAV Study: Investigation of the Efficacy of the SyncAV Fusion Pacing Algorithm on Exercise

Start date: January 2019
Phase: N/A
Study type: Interventional

In patients with weak pumping function of the heart, uncoordinated contraction of the chambers can be corrected using a cardiac resynchronization therapy (CRT) pacemaker. These devices make patients live longer by improving how the heart pumps and reducing symptoms such as breathlessness. However, not all patients benefit from CRT and programming devices optimally can greatly influence success. Predicting the correct timings of contraction between the atria (top chambers of the heart) and the ventricles (bottom chambers), as well as between the left and right ventricles, especially when heart rate increases during exercises, is challenging. A new approach to optimizing CRT programming has been proposed known as 'fusion-pacing'. This allows the electrical wave from the heart's own conduction system to merge or fuse with the impulse from the pacemaker in the left ventricle. The timing of the pacemaker's impulse is continuously adjusted to measurements the device makes of the hearts natural conduction. What is not clear is how effective 'fusion-pacing' is during exercise when the hearts natural conduction changes rapidly and unpredictably. We plan to investigate this by monitoring the electrocardiogram (ECG) whilst accurately measuring exercise performance and ability during a cardiopulmonary exercise test (CPET) on an exercise bike. We will also ask participants to rate their perceived exercise intensity to see whether fusion pacing improves ECG resynchronization, exercise performance, and patients' symptoms compared to standard programming.

NCT ID: NCT03714815 Enrolling by invitation - Clinical trials for Heart Failure With Preserved Ejection Fraction and Pulmonary Vascular Disease

A Long Term Study to Find Out if Macitentan is an Effective and Safe Treatment for Patients With Heart Failure With Preserved Ejection Fraction and Pulmonary Vascular Disease

SERENADE OL
Start date: December 7, 2018
Phase: Phase 2
Study type: Interventional

The aim of this open-label (OL) extension trial is to study the long-term safety and efficacy of macitentan in subjects with heart failure with preserved ejection fraction (HFpEF) and pulmonary vascular disease (PVD) beyond the 52 weeks of treatment in the double-blind parent SERENADE study (AC-055G202, NCT03153111). Furthermore, this OL extension study will give eligible subjects who have completed the main study (SERENADE/AC-055G202, NCT03153111) an opportunity to continue or start receiving macitentan.

NCT ID: NCT03704220 Enrolling by invitation - Heart Failure Clinical Trials

Anti-thrombotic Monotherapy With the HeartMate 3 LVAS

Start date: August 16, 2018
Phase: N/A
Study type: Interventional

The purpose of this study is to obtain a single-center safety and feasibility data on patients managed with a single anti-thrombotic therapy and the incidence of thrombotic adverse events associated with HeartMate 3 LVAS therapy.

NCT ID: NCT03642730 Enrolling by invitation - Heart Failure Clinical Trials

Interactive Guided Ultrasound Examinations Done by Non-experts of Ultrasound Imaging

EPISODE
Start date: December 1, 2017
Phase: N/A
Study type: Interventional

This prospective study is a pilot study for evaluating a guidance system that aims to facilitate high-quality echocardiographic acquisitions.

NCT ID: NCT03592355 Enrolling by invitation - Hypertension Clinical Trials

Virtual Visits at Brigham and Women's Hospital

Start date: April 13, 2018
Phase: N/A
Study type: Interventional

Clinicians slated for virtual visit rollout will be randomized (stratified by department) to either receive immediate virtual visit on-boarding (intervention arm) or delayed (3-months later) virtual visit on-boarding (control arm). The investigators plan to enroll no more than 200 clinicians. Any clinician in a department selected by the Brigham Health Virtual Care team for access to virtual visits is eligible, unless s/he saw less than 20 patients monthly over the last 6 months. The Brigham Health Virtual Care team will onboard all clinicians and provide virtual visit support as per their usual protocol. The primary study endpoint is third-available appointment, a well-adopted measure of access. Other secondary endpoints revolve around continuity, efficiency, utilization, safety, cost, and patient experience.

NCT ID: NCT03574857 Enrolling by invitation - Heart Failure Clinical Trials

Prospective Comparison of Metolazone Versus Chlorothiazide for Acute Decompensated Heart Failure With Diuretic Resistance

Start date: June 2018
Phase: Phase 4
Study type: Interventional

The primary objective of the study is to compare efficacy of metolazone and chlorothiazide as add-on therapy in patients refractory to loop diuretics with heart failure with a reduced ejection fraction (HFrEF). This will be a single-center randomized pilot study.

NCT ID: NCT03567096 Enrolling by invitation - Heart Failure Clinical Trials

LV Only MPP With SyncAV

Start date: October 9, 2018
Phase: N/A
Study type: Interventional

The objective of this clinical investigation is to evaluate the clinical benefits of left ventricle (LV) only pacing combined with automatic adjustment of AV timing (SyncAV) in patients receiving cardiac resynchronization therapy (CRT) after 6 months of therapy. This clinical investigation is a prospective, two-arm, randomized 1:1, multicenter feasibility study designed to evaluate the effectiveness of LV only with multipoint pacing (MPP) and SyncAV compared to bi-ventricular pacing with MPP and SyncAV. The clinical investigation will be conducted at approximately 7 centers in Europe and Canada. Approximately 120 subjects will be enrolled in the study. No site may enroll more than 33% of the total subjects. Data will be collected at enrollment, CRT implant procedure, hospital pre-discharge, one and 6 months post implant. Enrollment data collection will include demographics, cardiovascular history, medication, echocardiography measurements and quality of life questionnaire. CRT implant procedure data collection will include implanted system information and lead location. The electrical conduction recording procedure will include surface ECG and device IEGM recordings during various pacing configurations at implant or up to 45 days post implant. In patients who consent to invasive measurements (expected target of at least 80 patients), a hemodynamic recording procedure will include invasive hemodynamic measurements during various pacing configurations which may take place during device implant or up to 45 days post implant. Hospital pre-discharge data collection will take place within 3 days after the CRT implant, electrical conduction recordings visit or hemodynamic recordings visit and will include system information, surface ECG, and device IEGMs. In a subset of patients from selected centers that have access to this technology (expected 20 patients), non-invasive electrical activation data will be collected with body surface mapping within 45 days of the implant procedure. Patients will be randomized 1:1 to receive either biventricular pacing with multipoint pacing (MPP) or LV-only pacing with MPP at the one-month (± 15 days) visit. The 6-month (± 15 days) post randomization follow up visit will include surface ECG, IEGMs, echocardiographic parameters and quality of life questionnaire. Subjects participating in this clinical investigation will follow the hospital center standard of care from implant to 6 month follow up. The expected duration of enrollment is 1.5 year. The total duration of the clinical investigation is expected to be 2 years.

NCT ID: NCT03508505 Enrolling by invitation - Cardiac Surgery Clinical Trials

Postcardiotomy Venoarterial Extracorporeal Membrane Oxygenation

PC-ECMO
Start date: January 1, 2018
Phase:
Study type: Observational

Cardiac surgery can be not infrequently complicated by cardiac low-output syndrome due to critical preoperative conditions such as cardiogenic shock, poor left ventricular function and severe myocardial ischemia. Suboptimal myocardial protection, technical errors at graft anastomoses or of prosthesis implantation, and hibernating myocardium may further contribute to cardiac low-output syndrome occurring immediately or shortly after cardiac surgery. In this setting, veno-arterial extracorporeal oxygenation (VA-ECMO) is the only means to provide cardiopulmonary support to recovery or as bridge to transplantation. Data on the real benefit of VA-ECMO after cardiac surgery is limited and often derived from heterogeneous patient populations, which prevent conclusive results on the benefits of VA-ECMO in this setting. This issue will be investigated in the present retrospective European multicenter study. In this setting, veno-arterial extracorporeal oxygenation (VA-ECMO) is the only means to provide cardiopulmonary support to recovery or as bridge to transplantation. Data on the real benefit of VA-ECMO after cardiac surgery is limited and often derived from heterogeneous populations of patients who underwent different cardiac procedures. Patients with cardiac low-output after surgery for aortic dissection or valve surgery are expected to have different baseline characteristics (such as age and comorbidities) and underlying cardiac disease than patients undergoing isolated coronary surgery. Furthermore, available studies included patients operated two decades ago and this does not provide an exact measure of the benefits of this treatment strategy. The possible benefits of using VA-ECMO after adult cardiac surgery will be investigated in this retrospective European multicenter study.

NCT ID: NCT03479424 Enrolling by invitation - Clinical trials for Heart Failure With Reduced Ejection Fraction

Home Outpatient Monitoring and Engagement to Predict HF Exacerbation

Home Predict
Start date: October 8, 2018
Phase:
Study type: Observational

The HOME PREDICT HF study looks at new ways to predict hospitalizations for heart failure. We will use a set of devices at home and surveys to collect information about patient's health. This study uses the Eureka app, a new study app developed by the University of California, San Francisco. The study is designed to happen remotely, using this application on a patient's smartphone, so that is as convenient as possible to participate.