Clinical trials in coronary angiogenesis: issues, problems, consensus: An expert panel summary

M Simons1, R O Bonow, N A Chronos

  • 1Angiogenesis Research Center, BIDMC, Harvard Medical School, Boston, MA, USA. msimons@caregroup.harvard.edu

Circulation
|September 12, 2000
PubMed

Insights

Therapeutic angiogenesis offers new hope for ischemic heart disease by stimulating blood vessel growth. Experts convened to address key challenges in developing this promising treatment strategy.

Area of Science:

  • Cardiovascular Medicine
  • Regenerative Medicine
  • Biotechnology

Background:

  • Therapeutic angiogenesis using growth factors is a developing treatment for advanced ischemic heart disease.
  • This strategy aims to create new blood supply within the diseased heart.
  • The field is transitioning from preclinical research to clinical applications.

Purpose of the Study:

  • To summarize expert consensus on challenges in therapeutic angiogenesis for coronary disease.
  • To identify key issues for the advancement of clinical trials in this area.
  • To foster a unified approach to developing new treatments for heart disease.

Main Methods:

  • Convened a panel of experts from the Angiogenesis Foundation and Angiogenesis Research Center.
  • Held discussions during the 72nd meeting of the American Heart Association.
  • Focused on defining and reaching consensus on critical development challenges.

Main Results:

  • Identified several unresolved issues in therapeutic angiogenesis.
  • Key challenges include understanding angiogenesis biology, patient selection, and endpoint assessment.
  • Other critical factors are delivery strategy (gene vs. protein), administration route, and side effect profiles.

Conclusions:

  • Consensus was reached on the major challenges facing therapeutic angiogenesis development.
  • Addressing these issues is crucial for successful clinical translation.
  • Further research and collaboration are needed to overcome these hurdles for treating coronary disease.

Related Concept Videos

Mechanism of Angiogenesis01:10

Mechanism of Angiogenesis

Blood vessel formation starts early during embryonic development, around day 7. In the extraembryonic yolk sac, mesodermal precursor cells called hemangioblast proliferate and differentiate into angioblast. Angioblasts express vascular endothelial growth factor receptor 2 or VEGFR2, which binds VEGF-A, a proangiogenic factor, guiding blood vessel formation. VEGF signaling promotes angioblasts to form a blood island in the developing embryo. Angioblasts further differentiate, giving rise to...
6.4K
Regulation of Angiogenesis and Blood Supply01:24

Regulation of Angiogenesis and Blood Supply

Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
2.9K
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
444
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
495