Advances in antihypertensive combination therapy: benefits of low-dose thiazide diuretics in conjunction with omapatrilat, a vasopeptidase inhibitor.

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Ferdinand KC

Advances in antihypertensive combination therapy: benefits of low-dose thiazide diuretics in conjunction with omapatrilat, a vasopeptidase inhibitor.

J Clin Hypertens (Greenwich). 2001 Sep-Oct;3(5):307-12.

PubMed ID

11588409 [ View in PubMed

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Abstract

The preferred initial agents for the treatment of high blood pressure are low-dose thiazide diuretics, beta blockers, calcium antagonists, and angiotensin-converting enzyme (ACE) inhibitors. In high-risk patients, including those with diabetes, renal insufficiency, left ventricular dysfunction, and atherosclerosis, ACE inhibitors may have specific benefit in reducing cardiovascular morbidity and mortality. Omapatrilat, the prototypical vasopeptidase inhibitor, inhibits not only ACE but also neutral endopeptidase. Like conventional ACE inhibitors, omapatrilat causes extracellular volume reduction and vasodilatation; moreover, it increases levels of atrial and brain natriuretic peptides and bradykinin. Effective blood pressure control, especially in the high-risk patient, usually necessitates combination therapy. A recent study randomized 274 subjects with mild to severe hypertension (stages 1-3 diastolic blood pressure elevation) and confirmed the benefits of omapatrilat combined with hydrochlorothiazide in patients not controlled on hydrochlorothiazide alone. The frequencies of adverse events, serious adverse events, and discontinuation attributed to adverse events were similar for omapatrilat and placebo. Furthermore, there were no clinically significant changes in serum creatinine, potassium, or other laboratory parameters. Adding omapatrilat to the background of hydrochlorothiazide treatment produced statistically significant additional reductions in trough diastolic and systolic blood pressures at weeks 4 and 8.

DrugBank Data that Cites this Article

Drug Targets

Drug	Target	Kind	Organism	Pharmacological Action	Actions
Omapatrilat	Angiotensin-converting enzyme	Protein	Humans	Unknown	Not Available	Details