Journal of hypertension. Supplement : official journal of the International Society of Hypertension

Vascular effects of lacidipine: a review of animal and human data.

PMID 8483021


To compare the vascular effects of lacidipine with those of other calcium antagonists. A review of published studies. Experimental studies have shown that for a similar fall in blood pressure, lacidipine increased cardiac contractility while verapamil decreased cardiac contractility. In the rat aorta, the dose of lacidipine required to reduce a calcium-induced contraction by 50% was lower than that of all other calcium antagonists tested except nisoldipine. In human studies, especially, there are inherent limitations in the techniques available to measure regional blood flows under physiological conditions, making it difficult to compare the effects of different antihypertensive drugs. A recent study showed that renal blood flow was increased by lacidipine without any reduction in renal function. As in animals, vital organ perfusion was either preserved or increased. Further, maximal coronary vasodilation was associated with lower coronary resistance values during lacidipine treatment compared with pretreatment values. Another lacidipine study showed increased brachial artery compliance, while a study on the radial artery showed that lacidipine increased the compliance of this artery also. Lacidipine has vascular selectivity. Although regional blood flows are difficult to measure, due to inherent limitations in the techniques available, the evidence suggests that lacidipine produces vasodilation in essential hypertensive subjects while maintaining or even increasing vital organ perfusion. This appears to be due to a regression of the structural changes that characterize hypertension.

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SML0946 Lacidipine, ≥98% (HPLC)