New electrode method could spot hidden brain damage early

NCT ID NCT04585503

Completed Knowledge-focused Sponsor: Hospices Civils de Lyon Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether implanting special electrodes on the brain's surface can safely detect spreading depolarizations—electrical waves that may signal new damage after severe head trauma or brain hemorrhage. Twenty patients in intensive care received these electrodes alongside standard monitoring. The goal was to see if the electrodes could provide clear signals for at least 12 hours, potentially allowing doctors to intervene earlier.

What this could mean

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

What this could lead to: If successful, this could lead to better ways to monitor brain injury progression and prevent further damage in intensive care.
What could go wrong: This is a very small feasibility study (20 patients) focused on safety and signal quality, not treatment. It may not lead to clinical benefits.

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.

Craniocerebral Trauma head injury subarachnoid hemorrhage traumatic brain injury

As listed by the trial registrant

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

BRAIN LESION HEAD TRAUMA SUBARACHNOID HEMORRHAGE

Contacts and locations

Locations

Service d'Anesthésie réanimation Groupement hospitalier Est, hôpital Pierre Wertheimer

Bron, 69500, France

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