Medstar Health Research Institute
The main objective of the proposed research study is to determine in men and women with spinal cord injury/disease and neurogenic bladder whether the dose of coupled gentamicin \& Lactobacillus rhamnosus GG affects the recolonization of the bladder, and whether the rate of success differs by sex. Secondary objectives include determining whether that recolonization lasts 7, 14, or 28 days; and safety of the coupled gentamicin \& Lactobacillus instillations.
People with spinal cord injury/disease (SCI/D) experience, on average, 2.5 episodes of UTI annually. Since repeated exposures of bacteria to antibiotics leads to multi-drug resistant organisms (MDROs), it is likely that the frequent use of antibiotics for UTI is a driver of the increasing prevalence of infections with MDROs in the SCI/D population. This prevalence of MDROs among people with SCI/D represents a microcosm of the world-wide public health crisis of antibiotic resistance. As stated by the CDC, "antibiotic resistance is one of the biggest public health challenges of our time." In the…
Inclusion Criteria: * Neurologic diagnosis * ≥18 years old * Neurogenic bladder for at least 6 months * No USQNB-IC A, B1, or B2 symptoms * No currently diagnosed UTI (within 24 hours of initiating instillations) * Community dwelling (not in acute hospital setting) Exclusion Criteria: * Known genitourinary pathology beyond NLUTD (i.e. kidney stones, bladder stones, vesicoureteral reflux, etc.) * Use of prophylactic antibiotics or any antibiotics within 2 weeks of beginning instillations * Instillation of intravesical agents other than saline bladder wash * Immunodeficiency * Psychologic or…
Gentamicin will be diluted in normal saline under sterile conditions by qualified pharmacy personnel to a concentration of 0.96mg/mL. 50cc (48 mg) of the resulting solution will be drawn up into a catheter tip syringe, which will then be capped and inserted into sterile packaging. Seven such syringes will be overnight mailed to each participant in temperature-controlled shipping containers, with the extra syringe being included in case of damage or accidental dropping of one of the six instillations. Patients will be instructed to refrigerate all syringes immediately upon receipt. The first instillation will occur after the first catheterization of the morning. Once ready to begin instillations, the full contents of one syringe will then be instilled into the bladder after drainage of urine is complete by catheterization and the solution has reach room temperature; the solution will be left indwelling for at least four hours. This will be done every 12 hours for three days (6 doses).
Participants will be instructed to mix the contents of 1 LGG capsule into 45cc sterile 0.9% saline. After mixing, participants will draw up the 45cc liquid LGG mixture into a 60 cc syringe and instill the first dose via the intermittent catheter after the last catheterization prior to going to bed. Participants will receive 4 or 6 LGG capsules (2 additional capsules/participant, depending on randomization group) and will repeat this process every 12 hours until s/he has completed assigned dosing, according to randomization group. The first LGG instillation will occur 72 hours after the final dose of gentamicin.
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