Probiotics as a Prophylactic Aid in Women With Recurrent Urinary Tract Infections (UTI's)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

120 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-10-31

Study Completion Date

2010-12-31

Brief Summary

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To investigate if administration of probiotics, either orally or vaginally,

* Can reduce the number of episodes of acute bacterial cystitis and/or
* Has tolerable adverse effect profile
* Improves general QoL in these women
* Improves the immune function and other physiological stress markers
* Reduces inflammation in urinary bladder epithelium

Detailed Description

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Chronic recurrent bacterial cystitis is a condition that is disabling to a great extent and which influences quality of life and freedom of movement. The episodes can be painful, and lead to extensive use of antibiotics, which in itself promotes development of bacterial strains increasingly resistant to antibiotics, but do not prevent relapses. Almost all cystitis' in women are ascending infections from bacteria in the vagina, following colonization from the rectum. There have, however, been reported indications that there may be bacteria colonies within the urothelium that might give rise to relapses of the infections, rather than pure reinfection from ascending pathogens.

Probiotics are cultures of viable microorganisms, which show a positive effect on the general condition of the host when administered. Among the lactic acid bacteria (LAB), lactobacilli are the most commonly used for probiotics, and they have an excellent safety record. In terms of UTI, weekly or twice weekly intravaginal instillation of Lactobacillus strains GR-1 and B-54 have led to reduced recurrences. This concept has been supported by a 2006 pilot study showing that intravaginal administration of Lactobacillus crispatus GAI 98322 every two days for one year, had the potential to reduce the UTI recurrences. Another approach has been taken whereby lactobacilli are administered orally with a view of simulating how the pathogens reach the vagina. The studies have shown that L. rhamnosus GR-1 and L. reuteri (formerly fermentum) RC-14 can reach the vagina after daily oral ingestion, and they can lower the bacterial and yeast pathogen numbers.

The aim of the study is to try to normalize the vaginal bacteriological milieu so that the more pathogenic subpopulation of bacteria strains are displaced and are less likely to cause UTI.

Conditions

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Urinary Tract Infections

Keywords

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probiotics QoL inflammation nutritional factors prophylactic aid Lactobacillus rhamnosus GR-1 Lactobacillus reuteri RC-14 Recurrent lower UTI in women

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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