Effects of the alpha 1-adrenoceptor antagonist R-(-)-YM12617 on isolated human penile erectile tissue and vas deferens.

Abstract

The effects of the selective alpha 1-adrenoceptor antagonist, R-(-)-YM12617 (5-[2-[[2-(0-ethoxyphenoxy)ethyl]amino] propyl]-2-methoxybenzenesulphonamide HCl), were investigated in isolated human corpus spongiosum, corpus cavernosum, and vas deferens. R-(-)-YM12617 concentration dependently and competitively inhibited contractions induced by noradrenaline in… (More)

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