Urinary Track Infection Prevention After Urogynecological Surgery

Status Completed

Clinical Trial Summary

This study is randomized double-blinded placebo-controlled trial to access oral Methenamine Hippurate (MH) in combination with cranberry capsules is superior to cranberry capsules alone in prevention of UTI in patients with transient post-operative urinary retention requiring a Foley catheter after pelvic reconstructive surgery.

Clinical Trial Description

Urinary tract infections (UTIs) are one of the most common bacterial infections in women. It is estimated that 1.6 billion dollars are spent on UTI treatment each year. Antibiotics have been the mainstay of treatment of UTIs, however frequent use has increased the prevalence of antibiotic resistant organisms. Therefore, focus has shifted to non-antibiotic therapy for UTI prophylaxis. Methenamine Hippurate (MH) has been studied for decades due to its potential role in prevention of UTI. While not technically an antibiotic, MH works via its bacteriostatic action in the bladder. Benefits of MH are the lack of development of resistance, and the selective nature of this drug to the urinary system only. However, MH is best used in conjunction with an acidifying agent to increase its bioavailability (such as cranberry capsules or other acidic products). The usage of MH has been studied in various populations, has been seen to be effective in short-term catheterization. Usage of cranberry as prophylaxis for UTI is controversial; however, results have been favorable in the post-operative gynecological population. Post-operative urinary retention (POUR) occurs frequently in patients who undergo incontinence and pelvic prolapse surgery. Although the definition of POUR can vary between clinicians, it is reported as 2.5-24% to as high as 43% after tension-free transvaginal mesh sling placement. This population is at also at high risk for UTI due to advanced age and menopausal status. Moreover, using a catheter longer than 2 days incurs a 2-fold increased risk of development of UTI with an estimated 5% increase in bacteriuria each day of catheterization. In hopes to decrease the overuse of antibiotics and decrease the likelihood of antibiotic resistance, we propose that the use of MH and cranberry can reflect a potential benefit in this population of short-term indwelling Foley catheter use and help reduce the incidence of post-operative UTI after pelvic surgery. The patients will then be randomized to either receive cranberry capsules and placebo OR cranberry capsules and Methenamine Hippurate. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03818321
Study type	Interventional
Source	TriHealth Inc.
Contact
Status	Completed
Phase	Phase 2
Start date	June 17, 2019
Completion date	July 1, 2021

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