Do we really need antibiotics after bladder removal? new trial investigates
NCT ID NCT06190197
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether it is safe to skip preventive antibiotics after bladder removal surgery for muscle-invasive bladder cancer. Half of the 120 participants will take nitrofurantoin daily for 10–21 days after surgery, while the other half will receive no antibiotics. The goal is to compare rates of urinary tract infections in the first 90 days after surgery.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- nitrofurantoin
- What this could lead to
- If successful, this could show that not all patients need antibiotics after bladder removal surgery, reducing unnecessary drug use and side effects.
- What could go wrong
- This is a very early-phase trial with only 120 people, so results may not apply broadly. The study focuses on infection rates, not long-term outcomes or survival.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2024
- Expected to finish
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Oct 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Presence of muscle invasive bladder cancer and planning to undergo radical cystectomy with either ileal conduit or neobladder diversion. * 18 years of age or older Exclusion Criteria: * Currently receiving antimicrobials for active infection * Poor renal function with GFR \< 30 ml/min * Allergy to nitrofurantoin and unable to take an alternative antibiotic (cephalexin, trimethoprim-sulfamethoxazole, or ciprofloxacin) * Pregnancy * Unable to provide Informed consent * Prior pelvic radiation
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Minnesota
RECRUITINGMinneapolis, Minnesota, 55414, United States
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- Special drink before surgery may cut complications