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Published on: May 14, 2013
Drugs for Prevention and Treatment of Aortic Stenosis: How Close Are We?
Mehdi Afshar1, Shayan Yazdan-Ashoori2, James C Engert3
1Schulich Heart Centre, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.
Insights
New medical therapies may soon prevent or slow aortic stenosis progression. This review covers calcific aortic valve disease causes, risk factors, and novel treatments, exploring research avenues.
Area of Science:
- Cardiovascular Medicine
- Pathophysiology
- Pharmacology
Background:
- Aortic stenosis is a prevalent cardiovascular disease.
- Calcific aortic valve disease involves inflammation, lipid deposition, and genetic factors like elevated lipoprotein(a).
Purpose of the Study:
- To review the pathophysiology and risk factors of calcific aortic valve disease.
- To discuss current, potential, and emerging medical therapies for aortic stenosis.
- To explore reasons for statin trial failures and suggest future research directions.
Main Methods:
- Literature review of pathophysiology, risk factors, and therapeutic strategies for calcific aortic valve disease.
- Analysis of existing clinical trial data, including statin trials.
- Synthesis of information on novel therapeutic agents and gene silencing technologies.
Main Results:
- Calcific aortic valve disease is a complex process with multiple contributing factors.
- Novel therapeutic agents and gene silencing technologies show promise for treating aortic stenosis.
- Statin trials have largely failed, suggesting alternative or adjunct therapies are needed.
Conclusions:
- Advancements in gene silencing and novel agents offer hope for preventing or slowing aortic stenosis.
- Further research is needed to understand the failure of statin therapies and to develop effective treatments.
- Future randomized trials should explore new therapeutic avenues for aortic stenosis management.
Abstract:
Aortic stenosis is one of the most common cardiovascular diseases in the world. Extensive work on the underlying pathophysiology responsible for calcific aortic valve disease and its progression to aortic stenosis has described a complex process involving inflammation, lipid deposition, mineralisation, and genetic factors such as elevated lipoprotein(a). With the advancement of gene silencing technology and development of novel therapeutic agents, we may now be closer than ever to having medical therapies that prevent, or at least slow the progression of aortic stenosis. In this review, we highlight the pathophysiology and risk factors of calcific aortic valve disease, along with current, potential, and emerging novel medical therapies. We also provide potential explanations for the failure of statin trials and suggest new avenues for research and new randomised trials in this area.
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