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Yusuf S, Gerstein H, Hoogwerf B, et al. Ramipril and the Development of Diabetes. JAMA. 2001;286(15):1882–1885. doi:https://doi.org/10.1001/jama.286.15.1882
Author Affiliations: McMaster University, Hamilton, Canada (Drs Yusuf and Gerstein and Mss Pogue and Bosch); Cleveland Clinic Foundation, Cleveland, Ohio (Dr Hoogwerf); Clinic of Maastricht, Maastricht, the Netherlands (Dr Wolffenbuttel); Mt Sinai and Toronto Hospitals, Toronto, Canada (Dr Zinman). A complete list of the HOPE investigators has been previously published.11
Context Type 2 diabetes is a growing clinical and public health problem. Preventive
efforts related to lifestyle modification are not always successful; therefore,
alternative prevention strategies need to be studied.
Objective To investigate the effectiveness of ramipril, an angiotensin-converting
enzyme inhibitor, in preventing diabetes among high-risk persons.
Design, Setting, and Participants The randomized, controlled Heart Outcomes Prevention Evaluation trial
of 5720 patients older than 55 years without known diabetes but with vascular
disease who were followed up for a mean of 4.5 years. The study included 267
hospitals in 19 countries and was conducted between 1994 and 1999.
Intervention Patients were randomly assigned to receive ramipril, up to 10 mg/d (n
= 2837), or placebo (n = 2883).
Main Outcome Measure Diagnosis of diabetes determined from self-report at follow-up visits
every 6 months, compared between the 2 groups.
Results One hundred and two individuals (3.6%) in the ramipril group developed
diabetes compared with 155 (5.4%) in the placebo group (relative risk [RR],
0.66; 95% confidence interval [CI], 0.51-0.85, P<.001).
Similar results were noted when different diagnostic criteria were used; in
the ramipril group, the RR for diagnosis of diabetes and hemoglobin A1c greater than 110% was 0.60 (95% CI, 0.43-0.85), for initiation of
glucose-lowering therapy, 0.56 (95% CI, 0.41-0.77), and for both, 0.51 (95%
CI, 0.34-0.76). These effects were also consistently seen in several subgroups
Conclusions Ramipril is associated with lower rates of new diagnosis of diabetes
in high-risk individuals. Because these results have important clinical and
public health implications, this hypothesis requires prospective confirmation.
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