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.

Related Concept Videos

Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
158
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...
116
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
663
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
103
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
111
Antianginal Drugs: Nitrates and β-Blockers01:16

Antianginal Drugs: Nitrates and β-Blockers

In cardiovascular health, antianginal drugs combat angina pectoris — a condition marked by chest pain owing to diminished blood flow to the heart.
Organic nitrates,  such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow....
1.0K