Smart drain sensor could spot dangerous leaks after abdominal surgery

NCT ID NCT04582708

Completed Diagnosis Sponsor: FluidAI Medical Source: ClinicalTrials.gov ↗

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

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.

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.

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.

Anastomotic Leak Fistula

As listed by the trial registrant

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

ANASTOMOTIC LEAK FISTULA POPF POSTOPERATIVE LEAK POSTOPERATIVE PANCREATIC FISTULA

Contacts and locations

Locations

Cleveland Clinic

Cleveland, Ohio, 44195, United States
Grand River Hospital

Kitchener, Ontario, N2G 1G3, Canada
Hamilton General Hospital

Hamilton, Ontario, L8L 2X2, Canada
Juravinski Hospital- Hamilton Health Sciences

Hamilton, Ontrario, L8V 1C3, Canada
King Saud University Medical City

Riyadh, Saudi Arabia
St. Joseph's Health Centre

Toronto, Ontario, M6R 1B5, Canada
St. Michael's Hospital

Toronto, Ontario, M5B 1W8, Canada

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