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New Camera-Guided surgery may cut recurrence of brain blood clots

NCT ID NCT07144423

Disease control Sponsor: Beijing Tiantan Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Updated 1 time

Summary

This trial tests whether using a tiny camera (neuroendoscope) to guide the removal of a chronic subdural hematoma—a blood clot pressing on the brain—works better than the standard burr hole drainage. About 770 adults with symptoms like headache or weakness will be randomly assigned to one of the two surgeries. The main goal is to see if the camera-guided method lowers the chance of the clot coming back within three months.

What this could mean

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

Active substance
Neuroendoscopy-assisted hematoma drainage (a surgical procedure using a camera to guide removal of the blood clot)
What this could lead to
If successful, this could establish a better surgical method for chronic subdural hematoma, reducing the chance of the blood clot coming back and shortening recovery time.
What could go wrong
This is a large trial, but the procedure is more complex than standard burr hole drainage, which could increase surgical risks. The benefit over the simpler method may be small or not apply to all patients.

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 770 people

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

Started

Nov 2025

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 to 90 years

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: 1. Patient (18 years to 90 years) presenting with clinical symptoms and neurological deficits of CSDH. 2. CSDH verified on cranial computed tomography or magnetic resonance imaging. 3. Written informed consent from patients or their next of kin according to the patient's cognitive status. Exclusion Criteria: 1. No clinical symptoms correlating with chronic subdural hematoma. 2. Lack of mass effect and midline shift \< 5 mm on the radiological image, or no need surgery judged clinically by neurosurgeons. 3. Previous surgery for CSDH during the past 6 months. 4. Previous intracranial surgery for any other neurological disorder. 5. Poor medication conditions or the presence of severe comorbidities so that surgery cannot be tolerated, or follow-up cannot be completed. 6. Severe coagulopathy or a high risk of life-threatening bleeding (including any one of the following three criteria: prothrombin time or activated partial thromboplastin time prolonged by more than 10 seconds; international normalized ratio \> 3.0; absolute platelet count \< 100×109/L). 7. Postoperative compliance is suspected to be insufficient for 3-month follow-up visit. 8. Reproductive-age women without verified negative pregnancy testing. 9. Participating in another research.

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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 hematoma

How to take part

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

  1. The places running it

    24 sites. The list below names each one and where it is.

  2. 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 ↗

  3. 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

Locations

  • Beijing Tiantan Hospital, Capital Medical University

    RECRUITING

    Beijing, Beijing Municipality, 100070, China

  • Changde First People's Hospital

    RECRUITING

    Changde, Hunan, 415003, China

  • First Affiliated Hospital of Wenzhou Medical University

    RECRUITING

    Wenzhou, Zhejiang, 325000, China

  • First Affiliated Hospital of Xiamen University

    RECRUITING

    Xiamen, Fujian, 361003, China

  • First Affiliated Hospital of Xinjiang Medical University

    RECRUITING

    Ürümqi, Xinjiang, 830054, China

  • Hebei University of Engineering Affiliated Hospital

    RECRUITING

    Handan, Hebei, 056002, China

  • Heji Hospital affiliated with Changzhi Medical College

    RECRUITING

    Changzhi, Shanxi, 046011, China

  • Jiangmen Central Hospital

    RECRUITING

    Jiangmen, Guangdong, 529030, China

  • Linfen People's Hospital

    RECRUITING

    Linfen, Shanxi, 041000, China

  • Liuzhou worker's Hospital

    RECRUITING

    Liuzhou, Guangxi, 545007, China

  • Mianyang 404 Hospital

    RECRUITING

    Mianyang, Sichuan, 621000, China

  • Nanning First People's Hospital

    RECRUITING

    Nanning, Guangxi, 530016, China

  • People's Hospital of Longhua, Shenzhen

    RECRUITING

    Shenzhen, Guangdong, 518109, China

  • People's Hospital of Xiangxi Prefecture, Hunan Province

    RECRUITING

    Jishou, Hunan, 416007, China

  • Pu'er People's Hospital

    RECRUITING

    Pu'er, Yunnan, 665099, China

  • Shantou central hosital

    RECRUITING

    Shantou, Guangdong, 515031, China

  • Shanxi Provincial People's Hospital,Shanxi Medical University

    RECRUITING

    Taiyuan, Shanxi, 030012, China

  • The First Affiliated Hospital of Guangxi University of Traditional Chinese Medicine

    RECRUITING

    Nanning, Guangxi, 530023, China

  • The Second Affiliated Hospital of Guangxi Medical University

    RECRUITING

    Nanning, Guangxi, 530006, China

  • The Second Affiliated Hospital of Xi'an Medical University

    RECRUITING

    Xi’an, Shanxi, 710038, China

  • Wuzhou Gongren Hospital

    RECRUITING

    Wuzhou, Guangxi, 543001, China

  • Xingtai Central Hospital

    RECRUITING

    Xingtai, Hebei, 054099, China

  • Yueyang Central Hospital

    RECRUITING

    Yueyang, Hunan, 414020, China

  • the First People'S Hospital of Yibin

    RECRUITING

    Yibin, Sichuan, 644606, China

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