Coil treatment showdown: one side or both for brain bleed?

NCT ID NCT07715656

First seen Jul 20, 2026 · Last updated Jul 21, 2026 · Updated 1 time

Summary

This trial tests whether blocking the blood supply to a chronic subdural hematoma (a slow brain bleed) on one side or both sides works better. Adults with a unilateral hematoma will receive either unilateral or bilateral coil embolization. The study measures changes in hematoma size and the need for additional surgery.

What this could mean

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

Active substance
coil embolization of the middle meningeal artery
What this could lead to
If successful, this could establish a standard approach for treating chronic subdural hematomas with fewer repeat surgeries.
What could go wrong
This is a mid-sized trial comparing two techniques; results may not show a clear advantage, and risks like bleeding or stroke remain.

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Conditions

The condition(s) this trial relates to.

Hematoma, Subdural, Chronic

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Lahey Hospital & Medical Center

    RECRUITING

    Burlington, Massachusetts, 01803, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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