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J Clin Hypertens (Greenwich). 2007 Jul;9(7):530-7.

Pioglitazone decreases ambulatory blood pressure in type 2 diabetics with difficult-to-control hypertension.

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Hypertension Unit, Hospital Clínico San Carlos, Universidad Complutense, Madrid, Spain.


Blood pressure (BP) control at recently established goals of <130/80 mm Hg is often difficult to achieve in diabetic patients. This work examines the effect of pioglitazone on 24-hour ambulatory BP monitoring in patients with type 2 diabetes and difficult-to-control hypertension. Twenty-seven participants with difficult-to-control hypertension (defined as ambulatory BP monitoring >or=125/75 mm Hg) taking antihypertensive medications (mean, 4.1+/-0.8 drugs) were enrolled in an open, prospective, blinded end point study of add-on therapy with pioglitazone 30 to 45 mg for 20 weeks. After 20 weeks of treatment, 24-hour ambulatory BP monitoring showed significant reductions (from 144+/-13 to 136+/-16 mm Hg systolic BP and from 79+/-9 to 76+/-10 mm Hg diastolic BP [P=.001]). Treatment was also associated with improvements in insulin sensitivity and glycemic and lipid profile. These findings suggest that pioglitazone could be a therapeutic option in diabetics who still have elevated BP values in spite of receiving treatment with at least 3 antihypertensive drugs.

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