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Could a simple ear probe replace invasive brain pressure monitoring?

NCT ID NCT01685476

Completed Diagnosis Sponsor: University Hospital, Clermont-Ferrand Source: ClinicalTrials.gov ↗

First seen Aug 05, 2026 · Last updated Aug 06, 2026 · Updated 1 time

Summary

This trial tests whether a new device, placed gently in the ear canal, can accurately measure pressure inside the skull without surgery. The device works by detecting tiny changes in inner-ear activity that reflect pressure shifts in the brain. It will be compared to the standard invasive method in 20 adults who already require intracranial pressure monitoring due to conditions like traumatic brain injury or stroke. If proven reliable, this approach could offer a safer, simpler way to track brain pressure.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
Echodia® hand-held device that measures cochlear activity via a probe in the ear canal
What this could lead to
If successful, this could provide a safe, non-invasive way to monitor intracranial pressure, reducing infection risks and enabling longer monitoring.
What could go wrong
This is a small early-stage validation study, so the device may not prove accurate enough to replace invasive methods, and individual ear differences could affect readings.

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.

Brain Injuries, Traumatic intracerebral hemorrhage Intracranial Hemorrhages intracranial hypertension stroke disorder traumatic brain injury

As listed by the trial registrant

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

INTRACRANIAL HEMORRHAGES INTRACRANIAL PRESSURE STROKE TRAUMATIC BRAIN INJURY

Contacts and locations

Locations

  • Chu Clermont Ferrand

    Clermont-Ferrand, 63003, France

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