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In Vitro Drug Release To Lower GI Tract Under Physiological pH And Enhanced Bioavailability Of PEG- NSAIDs Conjugates

机译:在生理pH和PEG-NSAIDs增强的生物利用度条件下,体外药物释放降低胃肠道

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NSAIDS like diclofenac, ibuprofen andfluribiprofen were covalently conjugated topoly (ethylene glycol) (PEG) 1000 and 1500in order to release the drug to the lower GItract and improve the bioavailability of thedrugs. The in vitro drug release profile atpH 1.2, 4.0, 6.8 and 7.2 showed that thedrug release takes place predominantly atthe higher pH and also in a sustainedmanner. Bioavailability of the polymericpro-drugs showed complete drugabsorption from the polymeric pro-drug thusshowing their potential for site-specific andsustained drug delivery.
机译:NSAIDS如双氯芬酸,布洛芬和 将氟比洛芬共价缀合至 聚(乙二醇)(PEG)1000和1500 为了将药物释放到较低的胃肠道 改善并提高其的生物利用度 毒品。体外药物释放曲线 pH 1.2、4.0、6.8和7.2表明 药物释放主要发生在 较高的pH值,并且持续 方式。聚合物的生物利用度 前药显示完全药物 因此从聚合物前药中吸收 显示其针对特定地点的潜力,以及 持续的药物输送。

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