Simple antibiotic may shield kidney patients from Post-Hospital infections
NCT ID NCT07224997
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether giving a common antibiotic (TMP/SMX) to adults who recently had acute kidney injury can prevent infections after they leave the hospital. About 120 participants will receive either the antibiotic or a placebo for 90 days. The goal is to see if this approach reduces infections and related hospital visits.
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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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Dec 2025
An estimate. Start dates often move.
- Expected to finish
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Jul 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 * Age ≥18 years. * Index hospitalization complicated by AKI (KDIGO criteria) prior to discharge. * Planned discharge to community/rehabilitation with capacity for follow-up. * Ability to provide informed consent. Exclusion Criteria: * Known allergy to sulfonamides or TMP/SMX. * Pregnancy or breastfeeding. * Severe hepatic disease (e.g., Child-Pugh C). * Severe cytopenia (e.g., ANC \<1.0×10⁹/L or platelets \<50×10⁹/L). * Baseline hyperkalemia (\>5.5 mmol/L) not correctable prior to randomization. * Concomitant medications with high-risk interactions not amenable to dose/monitoring (per protocol). * Current systemic antimicrobial therapy planned for \>14 days after discharge (prophylaxis not indicated). * Inability to adhere to study procedures or follow-up.
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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 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.
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