Probucol therapy in the prevention of restenosis after successful percutaneous transluminal coronary angioplasty - PubMed (original) (raw)

Clinical Trial

. 1993 Mar-Apr;15(2):374-82.

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Clinical Trial

Probucol therapy in the prevention of restenosis after successful percutaneous transluminal coronary angioplasty

M Setsuda et al. Clin Ther. 1993 Mar-Apr.

Abstract

The effect of probucol, a drug that inhibits the secretion of smooth muscle cell-derived growth factor, was evaluated in the prevention of restenosis after percutaneous transluminal coronary angioplasty (PTCA). In 67 patients who successfully underwent prospective PTCA for the first time, the effects obtained in 31 patients given 750 mg or 1000 mg of probucol daily (group P) were compared with those in 36 patients given 150 mg of dipyridamole daily (group D). Drug treatment was initiated at least 7 days before PTCA and was continued for 3 to 6 months after PTCA, at which time a follow-up angiography was performed. There were no significant differences in patient characteristics (age, sex, pre-PTCA severity of angina pectoris), the number of affected vessels undergoing dilatation, or the residual degree of stenosis. The restenosis rate was significantly lower in group P (6 cases, 19.4%) than in group D (15 cases, 41.7%). In the nonrestenosis subgroup, the degree of stenosis progressed from 28.0 +/- 13.9% just after PTCA to 32.4 +/- 20.5% at follow-up angiography in group P, while it progressed significantly from 28.6 +/- 15.6% to 40.1 +/- 21.2% in group D (P < 0.05). A significant drop in serum cholesterol was observed in group P. The restenosis rate was lower in patients with high cholesterol levels at PTCA. No adverse reactions were noted in any patient. We conclude that probucol is effective in preventing restenosis after PTCA.

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