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经皮硝酸酯类药物治疗:在每日更换贴片后,运动期间的生物利用度会短暂增加。

Transdermal nitrate therapy: bioavailability during exercise increases transiently after the daily change of patch.

作者信息

Gjesdal K, Klemsdal T O, Rykke E O, Bredesen J E

机构信息

Oslo University Hospital Ullevål, Department of Cardiology, Norway.

出版信息

Br J Clin Pharmacol. 1991 May;31(5):560-2. doi: 10.1111/j.1365-2125.1991.tb05582.x.

Abstract

Ten volunteers carried a 10 mg 24 h -1 transdermal glyceryl trinitrate (GTN) patch for 24 h before moderate exercise. Plasma GTN-concentration increased significantly (P less than 0.05) by 19% to peak value at 15 min. Two hours after patch renewal repeat exercise increased GTN concentration by 56% (P less than 0.001). The two nitrate-concentration curves differed significantly (P less than 0.0001). Thus, change of patch augmented nitrate availability during exercise.

摘要

十名志愿者在进行适度运动前24小时佩戴10毫克/24小时的经皮硝酸甘油(GTN)贴片。血浆GTN浓度在15分钟时显著增加(P<0.05),增幅达19%,达到峰值。更换贴片两小时后,重复运动使GTN浓度增加了56%(P<0.001)。两条硝酸盐浓度曲线差异显著(P<0.0001)。因此,更换贴片增加了运动期间硝酸盐的可用性。

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