Key result
Low-dose benidipine plus diltiazem prevents vasopressin-induced S-wave depression in rats, matching high-dose monotherapy.
Why the study?
The combined effects of benidipine and diltiazem on vasopressin-induced myocardial ischemia in an experimental angina model were not previously examined.
Does co-administration of low-dose benidipine and diltiazem improve vasopressin-induced myocardial ischemia in a rat model of angina?
Does co-administration of low-dose benidipine and diltiazem improve vasopressin-induced myocardial ischemia in a rat model of angina?
p-value: p=<0.05
Co-administration of low-dose benidipine and diltiazem effectively inhibits myocardial ischemia in a rat model, suggesting a potential combination strategy for angina pectoris.
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Hypothesis-generating for low-dose CCB combination in angina; leaves open clinical translation pending human trials.
Yao et al. (2004) studied Experimental angina (vasopressin-induced myocardial ischemia) (n=72). Benidipine and diltiazem combination vs. Vehicle, benidipine alone, or diltiazem alone was evaluated on Vasopressin-induced S-wave depression (p=<0.05). Co-administration of low doses of benidipine and diltiazem almost completely inhibited vasopressin-induced S-wave depression in rats, achieving efficacy similar to high doses of either drug alone.
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