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口服含异烟肼、利福平及吡嗪酰胺的聚(丙交酯-乙交酯)微粒对实验性结核病的化疗潜力

Chemotherapeutic potential of orally administered poly(lactide-co-glycolide) microparticles containing isoniazid, rifampin, and pyrazinamide against experimental tuberculosis.

作者信息

Ul-Ain Qurrat, Sharma Sadhna, Khuller G K

机构信息

Department of Biochemistry, Postgraduate Institute of Medical Education & Research, Chandigarh 160 012, India.

出版信息

Antimicrob Agents Chemother. 2003 Sep;47(9):3005-7. doi: 10.1128/AAC.47.9.3005-3007.2003.

Abstract

Poly(lactide-co-glycolide) (PLG) microspheres (diameter, less than 3 microm) containing isoniazid, rifampin, and pyrazinamide were used in a sustained oral drug delivery system to treat murine tuberculosis. Drug levels above the MIC were observed up to 72 h in plasma and for 9 days in various organs. Relative bioavailability of encapsulated drugs was greater than that of free drugs. Chemotherapy results showed better or equivalent clearance of bacilli in the PLG-drug-administered group (weekly) than with free drugs (daily).

摘要

聚(丙交酯-乙交酯)(PLG)微球(直径小于3微米)含有异烟肼、利福平和吡嗪酰胺,被用于一种持续口服给药系统来治疗小鼠结核病。在血浆中观察到药物水平高于最低抑菌浓度(MIC)长达72小时,在各个器官中则持续9天。包封药物的相对生物利用度高于游离药物。化疗结果显示,PLG药物给药组(每周一次)对杆菌的清除效果优于或等同于游离药物给药组(每日一次)。

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本文引用的文献

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Large porous particles for pulmonary drug delivery.用于肺部药物递送的大孔颗粒。
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