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Chronic angina pectoris: inadequacies of current therapy
1Division of Cardiology, Kingston General Hospital, Kingston, Ontario, Canada K7L 2V7. joparker@kingston.net
Insights
Chronic angina affects millions, causing poor quality of life due to inadequate symptom control from current medications. New metabolic modulators offer effective angina treatment with a favorable side-effect profile.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Chronic angina impacts over 6 million in the US, with increasing prevalence due to an aging population.
- Current antianginal treatments often fail to provide adequate symptom control and are associated with side effects, leading to a poor quality of life.
- No new drug classes for angina have emerged in over 20 years, necessitating novel therapeutic approaches.
Purpose of the Study:
- To evaluate the efficacy and safety of novel agents that modulate myocardial metabolism for chronic angina treatment.
- To assess the potential of these new agents to improve symptom control and quality of life in angina patients.
Main Methods:
- Investigated new antianginal agents targeting myocardial metabolism.
- Assessed antianginal efficacy, side-effect profile, and hemodynamic effects.
Main Results:
- New agents modulating myocardial metabolism demonstrated antianginal efficacy.
- These novel agents exhibited a favorable side-effect profile.
- The new agents showed an absence of hemodynamic effects.
Conclusions:
- Novel agents that modulate myocardial metabolism represent a promising new class of drugs for chronic angina.
- These agents offer potential for improved symptom control and quality of life without adverse hemodynamic effects.
Abstract:
Chronic angina is a major medical problem in the United States with more than 6 million patients affected, a number that will increase substantially because of the progressive aging of the population. The annual mortality rate for patients with chronic angina is approximately 2%, but is much higher in certain subsets of patients, particularly the elderly. Angina is also associated with major social and economic burdens. Because of poor symptom control and hemodynamic, as well as other drug side effects, angina is commonly associated with a poor quality of life. No new class of drug has been available for angina treatment in more than two decades, and current medications frequently fail to provide adequate symptom control. Thus, the majority of patients are taking two or three antianginal medications. New agents that modulate myocardial metabolism have shown antianginal efficacy, a favorable side-effect profile, and an absence of hemodynamic effects.
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