Can a simple urine test guide kidney recovery in the ICU?
NCT ID NCT06229990
First seen Jun 27, 2026 · Last updated Jul 17, 2026 · Updated 2 times
Summary
This study looks at whether a furosemide stress test can help doctors decide when to stop continuous kidney replacement therapy in critically ill patients with acute kidney injury. The test measures how well the kidneys respond to a diuretic. The goal is to reduce complications from prolonged kidney support. About 80 adults in the ICU will take part.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2024
- Expected to finish
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Dec 2028
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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20 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adult 20 year of age or older * Acute kidney injury (AKI) stage 3 according to Kidney Disease Improving Global Outcomes (KDIGO) classification with oliguria (urine \<400 ml/day) * Initiate CRRT in ICU (medical ICU, surgical ICU, cardiac care unit) for at least 48 hours (time for initiation and modality of CRRT can adjust by clinician) Exclusion Criteria: * Use any inotropic drug (norepinephrine, epinephrine, dopamine, dobutamine) * Blood urea nitrogen (BUN) \>80 mg/dL * Serum K \<3.5 or \>5 mmol/L * Arterial potential of Hydrogen (pH) \<7.3 * Serum bicarbonate (HCO3) \<15 mmol/L * Urine volume \<400 or \>2,100 mL/day * Urine creatinine clearance (CrCl) at 6 hours \>20 mL/min * Previous chronic kidney disease (CKD) stage 5 or estimated glomerular filtration rate (eGFR) \<15 mL/min/1.73 m2 * Previous RRT within 14 days * Kidney transplantation * Obstructive etiology for AKI * Toxin/drug that necessitates RRT * Allergy to furosemide * Moribund with expected death within 24 hours * Pregnancy
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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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Chiang Mai University
RECRUITINGChiang Mai, 50200, Thailand
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