Related Experiment Video

Updated: Jun 23, 2026

Delayed Intramyocardial Delivery of Stem Cells after Ischemia Reperfusion Injury in a Murine Model
07:50

Delayed Intramyocardial Delivery of Stem Cells after Ischemia Reperfusion Injury in a Murine Model

Published on: September 3, 2020

[Cell therapy for acute myocardial infarction]

P Lemarchand1

  • 1Inserm, UMR915, Faculté de Médecine,Institut du Thorax, 44000 Nantes, France. patricia.lemarchand@univ-nantes.fr

Transfusion Clinique Et Biologique : Journal De La Societe Francaise De Transfusion Sanguine
|May 16, 2009
PubMed

Insights

Bone marrow stem cell therapy shows potential for repairing heart tissue after acute myocardial infarction (AMI). While early trials suggest safety and improved cardiac function, further large-scale studies are needed to confirm efficacy.

Area of Science:

  • Cardiology
  • Regenerative Medicine
  • Stem Cell Biology

Context:

  • Acute myocardial infarction (AMI) significantly contributes to heart failure and mortality.
  • Limited natural regeneration capacity of injured cardiac tissue necessitates therapeutic interventions.
  • Bone marrow stem/progenitor cells are investigated for their potential to repair vascular and cardiac damage post-AMI.

Purpose:

  • To review the progress and outcomes of stem cell therapy for acute myocardial infarction (AMI).
  • To evaluate the safety and efficacy of bone marrow stem/progenitor cell administration following AMI.
  • To identify the need for further large-scale clinical trials to establish the therapeutic benefits of cardiac cell therapy.

Summary:

  • Initial Phase I clinical trials (2002-2004) indicated safety and promising improvements in clinical outcomes and cardiac function after AMI with stem cell therapy.
  • Recent randomized controlled trials have yielded mixed results.
  • A meta-analysis of 13 trials (811 participants) demonstrated a modest 2.99% improvement in left ventricular ejection fraction.

Impact:

  • Stem cell therapy represents a promising avenue for treating AMI, potentially reducing heart failure and mortality.
  • Current evidence suggests a need for larger, multicenter international trials to definitively establish the clinical efficacy of cardiac cell therapy.
  • Further research is crucial to optimize cell types, delivery methods, and patient selection for maximizing therapeutic benefits in AMI patients.

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