Rectal Bioavailability of Δ-9-Tetrahydrocannabinol from the Hemisuccinate Ester in Monkeys
作者:Mahmoud A. Elsohly、Donald F. Stanford、Ernest C. Harland、Ahmed H. Hikal、Larry A. Walker、Thomas L. Little、James N. Rider、Alan B. Jones
DOI:10.1002/jps.2600801008
日期:1991.10
l (delta 9-THC) was shown to result in low and erratic bioavailability, while the drug showed no bioavailability from various suppository formulations. delta 9-THC-Hemisuccinate was formulated as a prodrug for delta 9-THC in suppositories using Witepsol H15 base. The bioavailability of delta 9-THC from this formulation was evaluated in monkeys. The plasma levels of delta 9-THC and its metabolite 11-nor-delta
口服给予delta-9-四氢大麻酚(delta 9-THC)显示出较低的和不稳定的生物利用度,而该药物在各种栓剂中均无生物利用度。使用Witepsol H15碱将delta 9-THC-半琥珀酸酯配制为栓剂中delta 9-THC的前药。在猴子中评估了来自该制剂的δ9 -THC的生物利用度。使用GC / MS分析确定血浆δ9-THC及其代谢物11-δ9-THC-9-COOH的血浆水平。由该制剂计算的δ9-THC的生物利用度为13.5%。使用统计矩对血浆浓度数据进行非隔室分析,结果显示,在静脉内注射delta 9-THC或其半琥珀酸酯后(3.4和2.7 h,平均),delta 9-THC在体内的平均停留时间(MRT)为3小时。分别在直肠给药delta 9-THC半琥珀酸酯后5.8小时。从含有半琥珀酸酯作为前药的栓剂中观察到的δ9-THC的直肠生物利用度对开发口服药物的替代方法具有重要意义。