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Simple surgical trick may cut repeat brain surgery in older adults

NCT ID NCT07549893

Disease control Sponsor: University College, London Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Aug 05, 2026 · Updated 3 times

Summary

Chronic subdural hematoma is a common brain bleed in older adults, often treated with burr-hole surgery. But about 1 in 10 patients need another operation because it comes back. This pilot study tests whether surgeons can safely coagulate small arteries feeding the hematoma during the standard surgery, using routine CT scans. Thirty adults will take part to see if the extra step is feasible and safe, not yet to prove it works.

What this could mean

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

Active substance
middle meningeal artery coagulation during burr-hole surgery
What this could lead to
If successful, this could lead to a simple surgical addition that lowers the chance of chronic subdural hematoma coming back after standard drainage.
What could go wrong
This is a very small, early feasibility study with only 30 participants and no control group. It is not designed to prove effectiveness, and the procedure carries risks like thermal injury or bleeding.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 30 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥18 years. * Chronic or subacute subdural haematoma scheduled for burr-hole evacuation. * Treating surgeon considers the CT- and navigation-guided MMA adjunct technically feasible and safe to attempt, recognising that the adjunct may be abandoned intra-operatively according to protocol bail-out criteria. * Written informed consent, or consultee declaration under the Mental Capacity Act (MCA), with re-consent if capacity returns. Consented participants who meet eligibility criteria will be enrolled sequentially until the target sample size of 20-30 participants is reached. No randomisation is used in this feasibility phase. Exclusion Criteria: * Acute subdural haematoma requiring craniotomy or decompressive surgery. * Prior ipsilateral MMA embolisation. * Clear contraindication to pre-operative CT * Inability to complete Day-90 follow-up. * Pregnancy or breastfeeding (due to radiation exposure from CT imaging as part of standard clinical care). If CT is non-diagnostic or cannot be performed, participants will continue with standard burr-hole evacuation without the MMA adjunct; this does not constitute a protocol deviation.

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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.

Chronic subdural hematomas

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  4. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • National Hospital for Neurology and Neurosurgery

    RECRUITING

    London, United Kingdom

    Contact Email: •••••@•••••

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