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  • Title: Improving clinical outcomes with drug treatment in heart failure: what have trials taught?
    Author: Konstam MA.
    Journal: Am J Cardiol; 2003 Mar 20; 91(6A):9D-14D. PubMed ID: 12670637.
    Abstract:
    Pharmacologic clinical trials in heart failure (HF) have provided substantial advances in effective treatment of this condition, moving us from our focus on short-term symptom relief to an expectation of substantial improvement in long-term clinical outcomes for our patients. Based on an appreciation of the importance of neurohormonal activation in the pathophysiology of HF, clinical trials have demonstrated the value of angiotensin-converting enzyme (ACE) inhibitors and beta-blockers in impeding the progression of HF and in reducing morbidity and mortality for patients with this condition. Clinical trials have further demonstrated the benefits of digoxin in improving symptoms and reducing hospitalization frequency, as well as in aldosterone blockade, at least in patients with severe symptoms. Given the ethical imperative to treat with ACE inhibitors, the angiotensin receptor antagonists have been difficult to study; nevertheless, their value is becoming increasingly clear, particularly for patients intolerant of ACE inhibitors. Trials with several classes of newer agents-cytokine antagonists, endothelin receptor blockers, and vasopeptidase inhibitors-have recently yielded disappointing results. Early results with vasopressin receptor antagonists provide some promise of long-term benefit. Clinical trials have provided significant treatment advances; ongoing and future trials will demonstrate the degree to which we can improve on what we have achieved to date with pharmacologic treatments.
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