Gentamicin Bladder Instillations to Prevent Urinary Tract Infections in Patients With Spinal Cord Injury

May 29, 2024 updated by: Denise Tate, PhD, University of Michigan

The Effect of Gentamicin Intravesical Installations on Decreasing Urinary Tract Infections in Patients With Neurogenic Bladder After Spinal Cord Injury: A Clinical Trial

A non-randomized study evaluating the efficacy of intravesical gentamicin on the occurrence rate of urinary tract infections and bladder complications in patients after spinal cord injury (SCI), and to assess its effectiveness in promoting overall quality of life (QOL), community living, and participation.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Intervention: Participants' number of UTIs during the six-month treatment period will be compared to the number they incurred during the six months prior to treatment. Participants complete a baseline visit which consists of medical history, informed consent, urinalysis/culture indicating no active UTIs, metabolic panel, and self-reported measures about complications, symptoms, community participation and quality of life. Similar information is collected at the end of treatment. At a 3-month follow up visit, all available data is obtained through phone interviews and/or medical chart reviews except for self-report measures. Participants begin active treatment using Gentamicin plus saline solution after they have completed all requirements. Instillations of treatment solution occur nightly after the participant's last evening catheterization. Bi-weekly calls are conducted to ensure compliance, answer questions and document adverse events. Participants will stop the trial if they develop an UTI. After receiving treatment for the UTI by their physician, they will go into a washout period of a week before resuming the trial with Gentamicin instillations.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
23

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2
  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Contact Backup

Study Locations

  • United States
    • Michigan
      • Ann Arbor, Michigan, United States, 48103
        • University of Michigan Health System

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Provision of signed and dated informed consent form and agreement to complete the daily dosing log as instructed by the study coordinator.
  • History of traumatic spinal cord injury (SCI) or non-traumatic spinal cord disease, (SCD) with sustained neurological dysfunction
  • At least 6 months post-initial hospital discharge following SCI/SCD onset
  • Neurogenic bladder
  • Ability to perform daily instillation on self or with help of others and willingness to adhere to the study regiment.
  • History of at least 2 documented urinary tract infection (UTI) during the previous 6 months (prior to screening)
  • Have a designated physician or health care provider for routine care
  • Use of clean intermittent catheterization or catheterization through a stoma (i.e. Mitrofanoff) as their primary method of bladder management

Exclusion Criteria:

  • Concurrent use of systemic oral or intravesical antibiotic prophylaxis
  • Documented or self-reported history of gentamicin allergy
  • Female patients who are currently pregnant or attempting to become pregnant
  • Patients with a history of 8th cranial nerve disorder
  • Co-morbidities like cancer and chronic disease that could impact patient safety OR significantly affect the rate of UTIs and/or quality of life (QOL) substantially
  • Urological co-morbidities like bladder cancer and history of kidney disease.
  • Current UTI at screening (assessed via urine analysis and culture and symptoms)
  • Concurrent enrollment in a similar clinical trial
  • Concurrent use of contraindicated diuretics (ethacrynic acid, furosemide)
  • Current use of other contraindicated or disallowed concomitant medications or receiving treatments that may influence the results from this study.
  • Known allergy to aminoglycoside antibiotics; Otological symptoms at baseline (i.e. tinnitus. severe dizziness/vertigo)
  • At the discretion of study team, individuals who are unable or unlikely to comply with procedures and/or for whom study participation is not recommended (e.g. unable to arrange transportation, cognitive and/or behavioral challenges that preclude meaningful participation, poor health, etc.)

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Gentamicin sulfate
Participants initiate Gentamicin instillations every night for a treatment period of 6 months. Instillations are stopped if they developed a UTI. After receiving treatment for this UTI, they resume the Gentamicin instillations. After baseline screening and being consented, they are instructed on how to do the instillations through a catheter, once they receive the drug and aid equipment (i.e. syringes) to do installations. Remaining drug from syringes are to be disposed after each use. Participants use their own catheters. In-dwelling catheters are not allowed.
Drug: Gentamicin Sulfate
Gentamicin is compounded by the Michigan Medicine Research Pharmacy in a concentration of 480 milligrams of the active product to 1000 milliliters of normal saline. Pharmacy mails participants treatment drug. Once received, participants will do daily instillations of 30 milliliters of solution after catheterizing their bladder at night.
Other Names:
  • Gent Instillations

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Number of Urinary Tract Infections (UTI) Over Time
Time Frame: 6 months prior to treatment and 6 months during treatment
Number of reported urinary tract infections (UTI) by participants and documented in medical chart, per person across months pre and post treatment. The number of UTIs over time was determined by establishing a per person-month rate made up of the total number of UTIs pre and during treatment (numerator) for the sample divided by the total number of persons/ 6 months (11 participants over 6 months period = 66) as the denominator. The unit of measure is defined as pre and during treatment number of UTI events per person months. These appear below under outcome measure data table.
6 months prior to treatment and 6 months during treatment

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Change in Score of Neurogenic Bladder Symptom Severity (NBSS) Scale
Time Frame: Baseline to 6 months
Self-reported bladder symptoms on a scale from 0 (no symptoms) to 74 (maximum symptoms). The NBSS is a patient reported 22 item scale designed to assess symptoms and bladder related consequences among persons with neurogenic bladder dysfunction. NBSS scores are calculated across three domains with higher scores being worse and reflecting more symptoms or complications. Incontinence (scored 0-29), storage and voiding (scored 0-22), and consequences (scored 0-23). An additional question of happiness (points) was not used for this outcome.
Baseline to 6 months
Change in Score of Neurogenic Bowel Dysfunction (NBD)
Time Frame: Baseline to 6 months
Self-reported bowel symptoms on a scale from 0 (very minor) to 14+ (severe). The NBD is a 10 item validated measure that assesses frequency of defecation and methods of bowel management and complications. Thus negative numbers in "score change" represent decrease in symptom severity.
Baseline to 6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
University of Michigan

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Department of Health and Human Services

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Denise G Tate, PhD, University of Michigan
  • Principal Investigator: Anne Pelletier-Cameron, MD, University of Michigan

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
August 24, 2018

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
September 8, 2023

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
September 30, 2023

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 6, 2018

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 11, 2018

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 19, 2018

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
June 25, 2024

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 29, 2024

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2024

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • HUM00137086
  • 90IFRE0002 (Other Grant/Funding Number: NIDRR/ACL/HHS)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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