PMID: 8448072Jan 1, 1993Paper

A comparison of the effects of captopril and enalapril on skin responses to intradermal bradykinin and skin blood flow in the human forearm

British Journal of Clinical Pharmacology
T C Li Kam WaP Turner

Abstract

1. The effects of captopril and enalapril on skin responses to intradermal injections of bradykinin and skin blood flow in the forearm were investigated in this randomised, double-blind, placebo-controlled, cross-over study. 2. Intradermal injections of 0, 1, 2.5 and 5 micrograms of bradykinin in 0.9% sodium chloride were made into the forearm of twelve healthy volunteers before and at 2, 6 and 24 h after single oral doses of 25 mg captopril, 10 mg enalapril or placebo. Forearm skin blood flow was measured by the technique of laser Doppler flowmetry (LDF) before the injections were made and the skin responses evaluated at 15 min after injections of bradykinin by measurement of cutaneous blood flow outside the induced weal, erythema area and weal volume. 3. The bradykinin-induced cutaneous responses measured by LDF, erythema area and weal volume increased with incremental bradykinin dose. Compared with placebo, captopril significantly augmented the cutaneous vasodilator effects of bradykinin, measured by LDF and erythema area, at 2 h and the weal responses at 2 and 6 h. Enalapril enhanced the vasodilator responses to bradykinin at 2 and 6 h and the weal responses at 2, 6 and 24 h. Neither captopril nor enalapril significantly af...Continue Reading

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Citations

Aug 1, 1996·The Journal of Allergy and Clinical Immunology·J V GainerN J Brown
May 23, 1998·Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [et Al.]·Z D Draelos
Feb 1, 1997·The British Journal of Dermatology·R A Sabroe, A K Black

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