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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06387329
Other study ID # WRNMMC-2023-0438
Secondary ID
Status Recruiting
Phase Phase 4
First received
Last updated
Start date April 4, 2024
Est. completion date June 30, 2025

Study information

Verified date April 2024
Source Walter Reed National Military Medical Center
Contact Jordan Gisseman, MD
Phone 301-400-2468
Email jordan.gisseman.mil@health.mil
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Overactive bladder (OAB) is a common condition with a prevalence of 17% in the general population that significantly affects quality of life. Intradetrusor onabotulinumtoxinA injections are an advanced therapy for OAB as well as interstitial cystitis/bladder pain syndrome (IC/BPS). The most common adverse event following intradetrusor injection of onabotulinumtoxinA in urinary tract infection (UTI), which occurs in 8.6-48.1% of patients. To prevent UTIs, patients are given a course of antibiotics, however the ideal prophylactic regimen has not been determined for the timing, duration, and type of antibiotic. Four retrospective studies in the literature address this question with variable conclusions, and there are no prospective studies. Identifying the ideal regimen is important for preventing UTIs as well as minimizing antibiotic use to prevent adverse effects and development of antibiotic resistance. The population to be studied will be female patients 18 years and older who are patients of the urogynecology and urology clinics at Walter Reed National Military Medical Center with a diagnosis of OAB or IC/BPS and have chosen to be treated with intradetrusor onabotulinumtoxinA injections. It will be a non-blinded randomized controlled noninferiority trial in which the patients are randomly placed into 2 groups. The first group will receive a 3 day course of twice daily oral nitrofurantoin 100mg starting at the time of the procedure, and the second group will receive a single dose of 100mg oral nitrofurantoin at the time of the procedure. The patients will be screened at the clinic at the time that they schedule their intradetrusor onabotulinumtoxinA injection appointment or by phone 1-2 weeks prior to their procedure. If the patient agrees to participate in the study then they will be instructed to give a urine sample for urinalysis and culture 1 week prior to the procedure appointment to exclude existing UTI. If a UTI is diagnosed at this time they must complete treatment prior to the procedure or will need to reschedule their procedure. On the day of the procedure patients will receive the clinic standard 10ml of 2% viscous lidocaine through the urethra 10-20 minutes prior to the procedure, and may be offered 5-10mg oral diazepam at the discretion of the treating physician. All patients will be given 200mg of phenazopyridine and 100mg of nitrofurantoin prior to the initiation of the procedure. The procedure will take place as directed by the treating physician per standard operating procedure. A urinalysis and urine culture will be placed for all study participants at time of their procedure appointment in case they have symptoms of UTI, and they will be instructed to follow up with the research team by phone if they have concerns for a UTI. Patients will be contacted 30-45 days after the procedure by phone, email, or message through genesis and asked about any UTI symptoms, UTI diagnoses and secondary outcomes during the 30 days following the procedure. Data will be analyzed for the primary outcome of UTI rates in the 30 days following intradetrusor onabotulinumtoxinA injection.


Description:

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Study Design


Intervention

Drug:
Nitrofurantoin 100 MG
No additional information

Locations

Country Name City State
United States Walter Reed National Military Medical Center Bethesda Maryland

Sponsors (1)

Lead Sponsor Collaborator
Walter Reed National Military Medical Center

Country where clinical trial is conducted

United States, 

References & Publications (32)

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Outcome

Type Measure Description Time frame Safety issue
Primary Urinary tract infection To evaluate for non-inferiority in the number of post-procedure urinary tract infections proven by a urine culture Within 30 days after intradetrusor injection of onabotulinumtoxinA
Secondary Urinary tract infection symptoms To evaluate for the number of patients with new symptoms of dysuria, urgency, or frequency Within 30 days after intradetrusor injection of onabotulinumtoxinA
Secondary Urinary retention Post void residual greater than 150mL Within 30 days after intradetrusor injection of onabotulinumtoxinA
Secondary Adverse effects Secondary infection, nausea, headache Within 30 days after intradetrusor injection of onabotulinumtoxinA
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