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Pluripotent Stem Cell Derived Cardiac Cells for Myocardial Repair
Published on: February 3, 2017
Cardiac cell-repair therapy: clinical issues
Bernard J Gersh1, Robert D Simari
1Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic College of Medicine, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA. gersh.bernard@mayo.edu
Abstract:
The possibility that cardiac cell-repair therapy might become a clinical reality is a challenge worthy of the current state of technological and scientific expertise at the start of the 21(st) century. The success of preclinical and early clinical studies is a strong inducement to move ahead with larger clinical trials, but caution is warranted given our lack of understanding of the potential mechanisms by which cell-repair therapy exerts a benefit on ventricular function, perfusion, and infarct size, irrespective of the type of cell, method, site, and disease entity. There are multiple clinical, mechanistic, and safety questions requiring answers, and these will be forthcoming only if the design of clinical trials is carefully tailored to answer specific questions. These questions, in turn, will require the use of different and multiple end points, depending on the specific issue and study. Accordingly, this review addresses the limitations of current clinical studies, the design of future trials, and the concept of a hierarchical series of end points that might provide answers to a host of different questions. Clinical and basic scientists need to approach the next generation of trials in partnership.
Insights
Cardiac cell-repair therapy shows promise, but more research is needed. Future clinical trials must carefully address mechanisms, safety, and use specific endpoints to advance this regenerative medicine approach.
Area of Science:
- Regenerative Medicine
- Cardiovascular Research
- Clinical Trials
Background:
- Cardiac cell-repair therapy is a promising area of 21st-century medical innovation.
- Preclinical and early clinical studies suggest potential benefits for ventricular function, perfusion, and infarct size.
- Significant gaps remain in understanding the mechanisms of action, optimal cell types, delivery methods, and disease applications.
Purpose of the Study:
- To review the limitations of current clinical studies on cardiac cell-repair therapy.
- To propose a framework for designing future clinical trials.
- To introduce the concept of a hierarchical series of endpoints for answering specific clinical and mechanistic questions.
Main Methods:
- Review of existing clinical trial data and scientific literature.
- Analysis of current challenges in cardiac cell-repair therapy research.
- Conceptualization of a structured approach to future clinical trial design.
Main Results:
- Current studies have limitations in fully elucidating therapeutic mechanisms and optimizing outcomes.
- A carefully tailored trial design is essential to address specific clinical, mechanistic, and safety questions.
- A hierarchical endpoint strategy is proposed to systematically answer diverse research questions.
Conclusions:
- Advancing cardiac cell-repair therapy requires a deeper understanding of underlying mechanisms and rigorous clinical trial design.
- Future trials must be meticulously planned with specific objectives and appropriate endpoints.
- Collaboration between clinical and basic scientists is crucial for the successful development of this regenerative approach.
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