Endocrine Journal
Online ISSN : 1348-4540
Print ISSN : 0918-8959
ORIGINALS
Effect of Cilostazol, a Phosphodiesterase Inhibitor, on Carotid IMT in Japanese Type 2 Diabetic Patients
Naomi MITSUHASHIYasushi TANAKASayaka KUBOSatoshi OGAWAChisa HAYASHIHiroshi UCHINOTomoaki SHIMIZUHirotaka WATADAMasahiko KAWASUMITomio ONUMARyuzo KAWAMORI
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2004 Volume 51 Issue 6 Pages 545-550

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Abstract

The aim of this study was to investigate the effect of cilostazol, a cAMP phosphodiesterase inhibitor, on carotid artery intima-media thickness (IMT) and on the incidence of cardiovascular events in Japanese subjects with type 2 diabetes. A total of 62 type 2 diabetic subjects were allocated equally to the cilostazol treatment group (n = 31) and the control group (n = 31). Carotid IMT was evaluated before and after treatment using B-mode ultrasonography. After the study period (mean ± SD: 2.6 ± 0.17 years), carotid IMT showed a significantly greater increase in the control group than in the cilostazol group (0.12 ± 0.14 mm vs. 0.04 ± 0.02 mm, p<0.05). In the control group, 1 out of 31 patients suffered from symptomatic cerebral infarction and 1 had angina pectoris during the observation period. On the other hand, no subject in the cilostazol group developed cardiovascular events during the study period. At baseline, the diabetic patients given cilostazol had a significantly lower HbA1c level than the control subjects, but the other atherosclerotic risk factors (BMI, blood pressure, and serum lipids) and the duration of diabetes did not differ between the two groups. These results indicate that cilostazol therapy can attenuate the increase of carotid artery IMT in Japanese subjects with type 2 diabetes.

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