Smart drain sensor could spot dangerous leaks after abdominal surgery
NCT ID NCT04582708
First seen Nov 01, 2025 · Last updated Jun 23, 2026 · Updated 40 times
Summary
This trial tested a device that attaches to surgical drains to continuously measure the pH and electrical conductivity of fluid from the abdomen. The goal was to see if changes in these readings could signal a leak or fistula earlier than standard methods. The study enrolled 316 adults who had abdominal surgery and a drain in place. The device is not yet proven to work in routine care, but the data will help build a model for future detection.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Cleveland Clinic
Cleveland, Ohio, 44195, United States
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Grand River Hospital
Kitchener, Ontario, N2G 1G3, Canada
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Hamilton General Hospital
Hamilton, Ontario, L8L 2X2, Canada
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Juravinski Hospital- Hamilton Health Sciences
Hamilton, Ontrario, L8V 1C3, Canada
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King Saud University Medical City
Riyadh, Saudi Arabia
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St. Joseph's Health Centre
Toronto, Ontario, M6R 1B5, Canada
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St. Michael's Hospital
Toronto, Ontario, M5B 1W8, Canada
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
NERv's Inline Device (a sensor that attaches to surgical drains to measure pH and conductivity of fluid)
What this could lead to
If successful, this device could help doctors spot internal leaks or fistulas earlier after surgery, potentially reducing serious complications.
What could go wrong
This is a small, single-arm feasibility study, not a randomized trial. The device is still experimental and may not reliably detect complications in all patients.
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.