申请人:Pfizer Inc
公开号:US20040110740A1
公开(公告)日:2004-06-10
Prodrugs of 6-&bgr;-hydroxymethylpenicillanic acid sulfone having the structure
1
wherein R is H or methyl, and solvates thereof, are disclosed. Also disclosed are pharmaceutical compositions comprising a prodrug of the present invention or a solvate thereof, an optional beta-lactam antibiotic and a pharmaceutically acceptable excipient.
Further disclosed is a method for increasing the therapeutic effectiveness of a beta-lactam antibiotic in a mammal by administering an effective amount of a beta-lactam antibiotic and an effectiveness-increasing amount of a prodrug of the present invention, or a solvate thereof.
Additionally disclosed is a method for treating a bacterial infection in a mammal by administering a therapeutically effective amount of a pharmaceutical composition of the present invention to a mammal in need thereof.
具有以下结构的 6-&bgr;-hydroxymethylpenicillanic acid sulfone 的原药
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其中 R 为 H 或甲基的 6-&bgr;-hydroxymethylpenicillanic acid sulfone 原药及其溶液。还公开了包含本发明原药或其溶液、任选的β-内酰胺类抗生素和药学上可接受的赋形剂的药物组合物。
进一步公开了一种通过施用有效量的β-内酰胺类抗生素和有效量的本发明原药或其溶液来提高哺乳动物体内β-内酰胺类抗生素疗效的方法。
此外,本发明还公开了一种治疗哺乳动物细菌感染的方法,其方法是向需要的哺乳动物施用治疗有效量的本发明药物组合物。