Identification of the Cranberry Juice Compounds That Prevent Urinary Tract Infections

Summary

The purpose of this study is to identify the substances in cranberry juice that make it effective in reducing urinary tract infections (UTIs) in women.

Timeline

Start

2000-11

Primary completion

—

Completion

2005-06

Publications

• Background Ahuja S, Kaack B, Roberts J. Loss of fimbrial adhesion with the addition of Vaccinum macrocarpon to the growth medium of P-fimbriated Escherichia coli. J Urol. 1998 Feb;159(2):559-62. doi: 10.1016/s0022-5347(01)63983-1.
• Background Avorn J, Monane M, Gurwitz JH, Glynn RJ, Choodnovskiy I, Lipsitz LA. Reduction of bacteriuria and pyuria after ingestion of cranberry juice. JAMA. 1994 Mar 9;271(10):751-4. doi: 10.1001/jama.1994.03510340041031.
• Background Foo LY, Lu Y, Howell AB, Vorsa N. A-Type proanthocyanidin trimers from cranberry that inhibit adherence of uropathogenic P-fimbriated Escherichia coli. J Nat Prod. 2000 Sep;63(9):1225-8. doi: 10.1021/np000128u.
• Background Foo LY, Lu Y, Howell AB, Vorsa N. The structure of cranberry proanthocyanidins which inhibit adherence of uropathogenic P-fimbriated Escherichia coli in vitro. Phytochemistry. 2000 May;54(2):173-81. doi: 10.1016/s0031-9422(99)00573-7.
• Background Schmidt DR, Sobota AE. An examination of the anti-adherence activity of cranberry juice on urinary and nonurinary bacterial isolates. Microbios. 1988;55(224-225):173-81.

Drugs

Indications