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J Clin Hypertens (Greenwich). 2010;12:153–159. ©2010 Wiley Periodicals, Inc.

Nearly 70 million Americans have hypertension, and approximately an equal number have prehypertension. The prevalence of both disorders increases with advancing age and obesity. Many at-risk individuals do not have controlled blood pressure (BP). Lifestyle modification for most persons is the first step in a plan to control these conditions. Non–drug treatments offer an appeal to many patients with modest BP elevation. The authors recently evaluated BP response using 24-hour ambulatory BP monitoring and office BP monitoring of lactotripeptides dosed twice daily in 91 previously treated and treatment-naive patients with stage 1 and stage 2 hypertension. In this population, daytime systolic BP, the primary efficacy end point, significantly decreased (−3.6 mm Hg; P=.013), while placebo did not affect systolic BP (0 mm Hg; P=not significant). Treatment-naive patients exhibited a more robust drop in their daytime systolic BP (−7.6 mm Hg; P=.005) compared with placebo (−3.6 mm Hg; P=not significant). Lactotripeptides may be an effective agent in the management of low-risk and low-grade hypertension and prehypertension.