The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 15, 2006

Filed:

Aug. 25, 2003
Applicants:

Anthony Marfat, Mystic, CT (US);

Dale G. Mcleod, Ledyard, CT (US);

Inventors:

Anthony Marfat, Mystic, CT (US);

Dale G. McLeod, Ledyard, CT (US);

Assignee:

Pfizer Inc., New York, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 499/861 (2006.01); A61K 31/43 (2006.01); A61P 31/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

Prodrugs of 6-β-hydroxymethylpenicillanic acid sulfone having the structure 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.


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