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健康志愿者舌下和口服维拉帕米后的药代动力学和药效学

Pharmacokinetics and pharmacodynamics of verapamil following sublingual and oral administration to healthy volunteers.

作者信息

John D N, Fort S, Lewis M J, Luscombe D K

机构信息

Medicines Research Unit, Welsh School of Pharmacy, University of Wales, Cardiff.

出版信息

Br J Clin Pharmacol. 1992 Jun;33(6):623-7. doi: 10.1111/j.1365-2125.1992.tb04091.x.

Abstract
  1. The pharmacokinetics and pharmacodynamics of verapamil administered via the oral and sublingual routes were compared in a randomised, two-way cross-over study involving six healthy male volunteers. 2. Administered sublingually, a verapamil 40 mg (Securon) crushed tablet produced a significantly higher peak plasma concentration (P less than 0.05), a greater rate of absorption (P less than 0.05), and greater bioavailability (P less than 0.05) when compared with orally administered verapamil 40 mg (Securon). 3. In comparison with oral dosing, PR intervals were significantly (P less than 0.05) prolonged between 30 and 90 min after sublingual verapamil dosing. 4. Correlations between log plasma verapamil concentration and percentage increase in PR interval were greater after sublingual compared with oral dosing in all volunteers.
摘要
  1. 在一项涉及六名健康男性志愿者的随机双向交叉研究中,比较了口服和舌下给药维拉帕米的药代动力学和药效学。2. 与口服40毫克维拉帕米(Securon)相比,舌下含服一片碾碎的40毫克维拉帕米(Securon)片剂产生的血浆峰浓度显著更高(P小于0.05),吸收速率更快(P小于0.05),生物利用度更高(P小于0.05)。3. 与口服给药相比,舌下给予维拉帕米后30至90分钟,PR间期显著延长(P小于0.05)。4. 在所有志愿者中,舌下给药后血浆维拉帕米浓度对数与PR间期增加百分比之间的相关性大于口服给药。

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