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Clinical trialNCT06953271RecruitingPhase 4Interventional

Methenamine Hippurate Following Intradetrusor OnabotulinumtoxinA Injection

SponsorWomen and Infants Hospital of Rhode IslandEnrollment164Overactive Bladder (OAB)Urinary Tract Infection (Diagnosis)
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The goal of this clinical trial is to compare methenamine hippurate prophylaxis to routine antibiotic prophylaxis following onabotulinumtoxinA (BOTOX-A) injections in women with overactive bladder (OAB). Participants will be randomly selected to receive one of the two post-procedural prophylaxis medications. The primary outcome measure will be urinary tract infection (UTI) rates within 30 days from the BOTOX-A procedure. Secondary outcomes will assess patient satisfaction with the two post-procedural prophylaxis medications.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Women & Infants Hospital

    Providence, Rhode Island, United States

    Vivian Sung, MD, MPH
    Recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Methenamine →Typically prescribed oral antibiotic prophylaxis
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
1 Aug 2025
Primary completion
30 Jan 2027
Completion
1 Apr 2027
Last update posted
19 Aug 2026
Registered enrollment
164
Registry id
NCT06953271
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.