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Updated: Jun 5, 2026

Percutaneous Contrast Echocardiography-guided Intramyocardial Injection and Cell Delivery in a Large Preclinical Model
Published on: January 21, 2018
[Current perspectives in cell therapy in cardiology: an overview of ongoing trials]
Paolo Scacciatella1, Gianluca Amato, Elisa Ebrille
1Struttura Complessa a Direzione Ospedaliera Cardiologia 2, Azienda Ospedaliera Universitaria San Giovanni Battista-Molinette, Torino. paolo.scacciatella@tin.it
Background:
Cardiac cell therapy is still restricted to experimental studies and clinical trials. This investigation is an analytic overview of worldwide ongoing trials and is aimed to show useful findings for planning new clinical trials.
Methods:
Based on the online searching engine of the National Library of Medicine database for clinical trials (www.clinicaltrials.gov), all the ongoing studies registered were analyzed and classified.
Results:
On May 30, 2009, 95 studies were registered worldwide: 40 of these were conducted in Europe and 4 in Italy. Phase 1, 2, 3 and 4 studies were 28%, 57%, 14% and 1%, respectively; observational and randomized studies were 22% and 78%, respectively. The clinical setting of enrolled patients was acute coronary syndrome in 43 studies (46%), heart failure in 29 studies (30%), chronic heart disease in 23 studies (24%). The treatment strategies investigated are cytokine-induced cell mobilization in 8% and cell implantation in 92%. The cell types used for direct implantation are mononuclear cells in 81%, endothelial precursor cells CD34+ in 11%, endothelial precursor cells CD133+ in 5%, myoblasts in 2% and adipoblasts in 1% of cases. CONCLUSIONS; The present snapshot of worldwide ongoing clinical trials provides useful information for planning an experimental clinical program on cardiac cell therapy.
Insights
Cardiac cell therapy trials are expanding globally, with most focusing on cell implantation for acute coronary syndrome and heart failure. This analysis aids future clinical trial planning in regenerative cardiology.
Area of Science:
- Regenerative Medicine
- Cardiovascular Research
- Clinical Trial Analysis
Context:
- Cardiac cell therapy remains largely experimental, necessitating a comprehensive understanding of ongoing clinical trials.
- The landscape of cardiac cell therapy research is rapidly evolving, with numerous studies underway globally.
- Effective planning of future clinical trials requires an in-depth analysis of current research trends and methodologies.
Purpose:
- To provide an analytic overview of worldwide ongoing clinical trials in cardiac cell therapy.
- To identify key trends in trial design, patient populations, and therapeutic strategies.
- To offer insights for optimizing the planning and execution of future cardiac cell therapy clinical trials.
Summary:
- A global analysis of 95 registered clinical trials (as of May 30, 2009) revealed a strong emphasis on cell implantation (92%) over cell mobilization (8%).
- The majority of trials focused on acute coronary syndrome (46%) and heart failure (30%), primarily utilizing mononuclear cells (81%).
- Europe led trial conduct (40 studies), with a significant proportion of studies in Phase 2 (57%) and employing randomized designs (78%).
Impact:
- This comprehensive snapshot of the cardiac cell therapy trial landscape provides crucial data for researchers and clinicians.
- Findings can inform the strategic development of new clinical programs, optimizing patient selection and therapeutic approaches.
- The analysis highlights the need for continued research and development in cardiac regenerative medicine to address unmet clinical needs.
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