Intravesical Lactobacillus for Urinary Symptoms Among People With NLUTD Who Use Indwelling Catheters

2020-04-01 04:26:49 | BioPortfolio


The objectives of the proposed research among this population are: 1) to define clinically meaningful change (i.e. differentiating states of health and illness) with respect to urinary symptoms, urine inflammation, cultivable bacteria, and the urine ecosystem; and 2) to determine the optimal intravesical Lactobacillus RhamnosusGG (LGG®) dose to be used to reduce urinary symptoms in a future clinical trial.


Urinary tract infection (UTI) is the most common outpatient infection world-wide, and for people with spinal cord injury (SCI) and neurogenic bladder (NB), it is the most common infection, secondary condition, cause for emergency room visits, and infectious cause of hospitalization. Despite its prevalence, attempts to ameliorate UTI among people with SCI are stymied by long-standing diagnostic challenges which arise from evidence gaps around "gold standard" diagnostic tests (urinalysis and urine culture) that have lower sensitivity and specificity for UTI in this population. A high prevalence of chronic inflammation leading to persistence of white blood cells (WBC) in the urine confounds the utility of WBC count, pyuria, and leukocyte esterase as biomarkers for UTI; nitrites in urine indicate the presence of only specific (but not all) organisms, many of which are present to a greater extent in the urine of people with SCI; and people with SCI have a high prevalence of asymptomatic bacteriuria. These physiologic changes render the gold standard diagnostic tests less useful for identifying UTI in persons with SCI.

SA1. Estimate healthy, asymptomatic state variability of urine NGAL (uNGAL), white blood cells (uWBC), nitrite, cultivable bacteria, and the urinary microbiome.

SA2. Estimate the effect of intravesical LGG dose on urinary symptoms (primary outcome), uNGAL, uWBC, nitrites, cultivable bacteria, and the urine microbiome (secondary outcomes).

Study Design


Neurogenic Bladder


Culturelle 10 Billion CFU Capsule


Not yet recruiting


Medstar Health Research Institute

Results (where available)

View Results


Published on BioPortfolio: 2020-04-01T04:26:49-0400

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Medical and Biotech [MESH] Definitions

Dysfunction of the URINARY BLADDER due to disease of the central or peripheral nervous system pathways involved in the control of URINATION. This is often associated with SPINAL CORD DISEASES, but may also be caused by BRAIN DISEASES or PERIPHERAL NERVE DISEASES.

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