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Clinical Trial Summary

The goal of CELL-VAD Pilot trial is to investigate a personalized stem cell therapy approach for patients with advanced non-ischemic chronic heart failure (NICM) who are supported by LVAD. In the clinical trial, the investigators aim to enroll 10 patients with NICM, scheduled for LVAD implantation. After successful LVAD implantation, patients will be enrolled and followed for 2 months to allow for postoperative rehabilitation and heart failure medical therapy and LVAD support optimization. All patients will then undergo autologous CD34+ cell therapy which will be intracoronaryly delivered to the target myocardium using NOGA electromechanical mapping system. All patients will be followed for 6 months after cell therapy. At baseline, and at 1, 3, and 6 months after cell therapy, the investigators will perform comprehensive clinical evaluation.


Clinical Trial Description

PROBLEM IDENTIFICATION Left ventricular assist device (LVAD) technology has evolved significantly and represents a standard of care for patients with advanced chronic heart failure. However, a significant discrepancy exists between structural and functional recovery of the failing myocardium, as only a small fraction (2%) of LVAD-supported patients demonstrate reverse structural remodeling and eventually reach clinically significant and stable functional improvement that allows for LVAD removal. Thus, there is a significant unmet need to define better the mechanisms of myocardial reverse remodeling in advanced chronic heart failure patients undergoing LVAD support. OBJECTIVES The goal of CELL-VAD Pilot trial is to investigate a personalized stem cell therapy approach for patients with advanced non-ischemic chronic heart failure (NICM) who are supported by LVAD. The investigators propose a Phase II non-randomized single-center clinical study focusing on (1) the administration of stem cell therapy that would allow for durable improvements in heart function and structure in NICM-LVAD patients. By using integrated analysis of multimodality imaging and biomarkers of fibrosis and angiogenesis, this project aims to (2) better define the pathophysiological mechanisms involved in myocardial recovery. Additionally, the investigators also aim to (3) define the safety parameters of stem cell therapy in NICM-LVAD patients. Based on these aims, the specific objectives of the CELL-VAD Pilot trial are: The primary objective of this study is to investigate the safety and efficacy of stem cell therapy in NICM-LVAD patients, by evaluating changes in left ventricular structure and function, biomarkers of neurohormonal activation, patient exercise capacity, and clinical outcome. The secondary objective of this study is to better define pathophysiological mechanisms involved in myocardial recovery in NICM-LVAD patients, by evaluating temporal changes in myocardial perfusion and in biomarkers of myocardial fibrosis in angiogenesis. STUDY DESIGN The CELL-VAD Pilot trial consists of a clinical trial (WP1) and a multimodality imaging platform (WP2). The overall duration of the project is 3 years (36 months). In the clinical trial, the investigators aim to enroll 10 patients with NICM, scheduled for LVAD implantation. After successful LVAD implantation, patients will be enrolled and followed for 2 months to allow for postoperative rehabilitation and heart failure medical therapy and LVAD support optimization. All patients will then undergo autologous CD34+ cell therapy which will be delivered via the intracoronary route. All patients will be followed for 6 months after cell therapy. At baseline, and at 1, 3, and 6 months after cell therapy, the investigators will perform comprehensive clinical evaluation. Clinical, biochemical, biomarker-related, imaging, and myocardial histology data will be transferred to a secured central database. The investigators also aim to develop a personalized multimodality imaging platform by integrating the data obtained from advanced echocardiography and PET imaging. EXPECTED OUTCOMES The investigators expect to demonstrate that in NICM-LVAD patients transendocardial autologous CD34+ cell therapy is safe and efficient, promoting the structural and functional reverse remodelling of the failing myocardium. Additionally, the results of this trial will establish a solid framework of knowledge and expertise for future clinical trials to build on. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06154044
Study type Interventional
Source University Medical Centre Ljubljana
Contact Mateja Lani
Phone +38615221163
Email mateja.lani@kclj.si
Status Recruiting
Phase Phase 2
Start date May 1, 2022
Completion date May 31, 2025

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