Circulating plasma cholesteryl ester transfer protein activity and blood pressure tracking in the community.
OBJECTIVE: Clinical trials using cholesteryl ester transfer protein (CETP) inhibitors to raise high-density lipoprotein cholesterol (HDL-C) concentrations reported an 'off-target' blood pressure (BP) raising effect. We evaluated the relations of baseline plasma CETP activity and longitudinal BP change. METHODS AND RESULTS: One thousand, three hundred and seven Framingham Study participants free of cardiovascular disease attending consecutive examinations 4 years apart (mean age 48 years) had baseline plasma CETP activity related to change in BP over the 4-year interval, adjusting for standard risk factors. Systolic BP increased [median +2 mmHg, 95% confidence interval (CI) -16,+23 mmHg], whereas diastolic BP decreased (median -3 mmHg, 95% CI -15,+11 mmHg). Plasma CETP activity was not related to change in diastolic BP, but was inversely related to change in systolic BP that was borderline significant (P=0.09). On multivariable analyses, plasma CETP activity was inversely related to change in pulse pressure (PP; beta per SD increment= -0.71 mmHg, P=0.005). When dichotomized at the median, plasma CETP activity above the median was associated with a 1 mmHg lower PP on follow-up (P=0.045). CONCLUSION: Decreasing plasma CETP activity was modestly related to increasing PP on follow-up in our community-based sample, suggesting that inhibition of intrinsic CETP activity itself is likely associated with minimal changes in BP.
Zachariah, JP; Pencina, MJ; Lyass, A; Kaur, G; D'Agostino, RB; Ordovas, JM; Vasan, RS
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