Coronary flow velocity reserve is improved by ppar-α agonist fenofibrate in patients with hypertriglyceridemia
Cardiovascular Therapeutics,  Clinical Article

Wang G et al. – Treatment with PPAR–α agonist fenofibrate significantly improved CFVR and arterial stiffness in patients with hypertriglyceridemia. This endothelial protective effect may be reduced in part by the side effect of increasing homocysteine.

  • Fifty–eight patients with hypertriglyceridemia were divided into two groups: control (no treatment; n = 23) and fenofibrate treatment (n = 35), 200 mg/d, for 6 months.
  • The patients had undergone rest and adenosine treatment to induce hyperemia for quantification of coronary flow velocity reserve (CFVR) by noninvasive Doppler echocardiography before treatment and at 6–month follow–up.
  • Pulse wave velocity (PWV) was measured before treatment and at 6–month follow–up.

  • CFVR was significantly improved with fenofibrate treatment as compared with baseline level and control group (3.14 ± 0.36 vs. 2.80 ± 0.58 and 2.79 ± 0.65, P < 0.01 and 0.05, respectively), with no difference between baseline levels and untreated controls.
  • In addition, at 6 months, plasma level of homocysteine was significantly increased with fenofibrate treatment as compared with at baseline and control group (median 18.13 [range 14.46–22.02] μmol/L vs. 14.09 [12.01–18.81] and 13.34 [9.69–17.06] μmol/L, P < 0.001 and 0.01, respectively).
  • Furthermore, at 6 months, PWV was significantly decreased with fenofibrate treatment as compared with control group (1446 ± 136 cm/s vs. 1570 ± 203 cm/s, P < 0.05).

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