Abstract
Thiazolidinediones (TZD), which are widely used as insulin sensitizers, and fibrates, which are lipid-lowering drugs, are used in the treatment of dyslipidemia that commonly accompanies diabetes. Several reports suggest elevated levels of high-density lipoprotein (HDL) cholesterol, but the paradoxical reduction of HDL cholesterol level during single or combined TZD and fibrate therapies has been occasionally reported. Herein, we report a case of paradoxical decrease in HDL cholesterol and apolipoprotein A-1 levels during rosiglitazone and fenofibrate treatment for the first time in Korea. The patient was a 56-yr-old man presenting with type 2 diabetes mellitus and dyslipidemia. His HDL cholesterol and apolipoprotein A-1 levels returned to normal after the cessation of fenofibrate therapy. Since diabetes is an established risk factor of cardiovascular diseases, low HDL cholesterol can be a key cause of concern for patients with diabetes. Therefore, HDL cholesterol level should be determined before and after starting TZD and/or fibrate therapy in diabetic patients.
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Table 1.
Test item | Reference interval | January∗ 2008 | February 2008 | April† 2008 | May 2008 | June‡ 2008 |
---|---|---|---|---|---|---|
Total cholesterol (mmol/L) | ≤5.17 | 6.54 | 4.24 | 3.85 | 4.76 | 4.47 |
HDL-cholesterol (mmol/L) | ≥1.55 | 0.11 | ND | 0.09 | ND | 0.78 |
Apolipoprotein A-I (g/L) | 1.10-1.80 | 0.20 | ND | ND | ND | 1.08 |
Triglyceride (mmol/L) | ≤2.26 | 2.80 | ND | 2.24 | ND | 3.92 |