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OBJECTIVE—Angiotensin II has been shown to increase hepatic glucose production and decrease insulin sensitivity. Patients who utilize either an ACE inhibitor (ACEI) or angiotensin receptor blocker (ARB) may experience a decreased incidence of new-onset type 2 diabetes.

RESEARCH DESIGN AND METHODS—Three reviewers conducted a systematic literature search of Medline, EMBASE, CINAHL, and the Cochrane Library (1966 to present) to extract a consensus of trial data involving an ACEI or ARB with an end point of new-onset type 2 diabetes. Studies were included if they were randomized controlled trials verses placebo/routine therapy. A random-effects model was utilized. Subgroup and sensitivity analyses were conducted.

RESULTS—Eleven trials were identified, including 66,608 patients. An ACEI or ARB prevented new-onset type 2 diabetes (odds ratio 0.78 [95% CI 0 …