New device aims to prevent kidney failure after heart surgery

NCT ID NCT06811805

Ongoing Prevention Sponsor: CardioRenal Systems, Inc. Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a device called RenalGuard can prevent acute kidney injury in 300 adults undergoing heart surgery. The device monitors and manages urine output during and after surgery. Half the patients will get RenalGuard, the other half standard care. Researchers will check kidney function for up to 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: RenalGuard System (a device that manages urine output during and after surgery)
What this could lead to: If it works, this could give doctors a reliable way to prevent kidney damage after heart surgery, reducing the need for dialysis.
What could go wrong: This is a post-market study with 300 patients, so results may not apply to all surgery types. The device may not reduce kidney injury more than standard care.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

acute kidney injury

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

AKI - ACUTE KIDNEY INJURY CARDIAC SURGERY ASSOCIATED - ACUTE KIDNEY INJURY

Contacts and locations

Locations

Hospital Universitario Ramón y Cajal

Madrid, Spain
Hospital de la Santa Creu i Sant Pau

Barcelona, Spain
Jessa Medica Center

Hasselt, Belgium
Rabin Medical Center - Belinson Campus

Petah Tikva, Israel
Rambam Medical Center

Haifa, Israel
Sahlgrenska University Hospital

Gothenburg, Sweden
TUM Klinikum Deutsches Herzzentrum

Munich, Germany
Uniklinikum Munster

Münster, Germany

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