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Template-Guided Burr-Hole Drainage With Middle Meningeal Artery Coagulation for Chronic Subdural Hematoma (3D-MMA-cSDH Tr)

22 juli 2026 bijgewerkt door: Jie Shen, The Second Hospital of Anhui Medical University

Three-Dimensional Printed Template-Guided Burr-Hole Drainage Combined With Intraoperative Middle Meningeal Artery Coagulation for Preventing Recurrence of Chronic Subdural Hematoma: A Multicenter Randomized Controlled Trial

Chronic subdural hematoma is a collection of blood and fluid on the surface of the brain that is common in older adults. Burr-hole drainage is a standard surgical treatment, but the hematoma may come back in some patients and require another procedure.This study will test whether using a patient-specific 3D-printed template to guide burr-hole placement, combined with coagulation of the middle meningeal artery during surgery, can reduce the risk of hematoma recurrence compared with standard burr-hole drainage.Participants with symptomatic chronic subdural hematoma who need surgery will be randomly assigned to one of two groups. One group will receive standard burr-hole drainage. The other group will receive 3D-printed template-guided burr-hole drainage with attempted intraoperative frontal branch of the middle meningeal artery coagulation when it can be safely performed.The main outcome is whether the hematoma comes back and requires another invasive treatment within 3 months after surgery. The study will also assess brain imaging results, neurological recovery, complications, hospital stay, and the feasibility and safety of the 3D-printed template and artery coagulation procedure.

Studie Overzicht

Toestand

Nog niet aan het werven

Conditie

Interventie / Behandeling

Gedetailleerde beschrijving

Chronic subdural hematoma is a common neurosurgical disease, especially in older adults. Burr-hole drainage with closed-system drainage is widely used as standard surgical treatment. However, recurrence after surgery remains an important clinical problem and may require repeat invasive treatment.

The middle meningeal artery is believed to contribute to the blood supply of the outer membrane of chronic subdural hematoma. Interruption of middle meningeal artery flow may reduce repeated microbleeding and fluid exudation from the hematoma membrane. Endovascular middle meningeal artery embolization has shown promising results, but it requires angiographic equipment, interventional expertise, embolic materials, and additional cost.

This study evaluates a surgical strategy that combines patient-specific 3D-printed template guidance with burr-hole drainage and intraoperative middle meningeal artery coagulation. Preoperative thin-slice computed tomography images will be used to plan the burr-hole location and design a 3D-printed template. The template is intended to help surgeons locate a burr-hole site related to the expected course of the middle meningeal artery(frontal branch) while still allowing effective hematoma drainage.

Participants with symptomatic chronic subdural hematoma requiring burr-hole drainage will be randomly assigned to receive either standard burr-hole drainage or 3D-printed template-guided burr-hole drainage with attempted intraoperative middle meningeal artery coagulation when safely feasible.

The study will test whether this approach can reduce recurrence requiring repeat invasive treatment within 3 months after surgery. It will also assess clinical recovery, radiological changes, complications, resource use, and the feasibility and safety of template-guided localization and intraoperative artery coagulation.Patient safety will take priority over completion of the coagulation step. If the middle meningeal artery or a related branch cannot be clearly identified or safely coagulated during surgery, coagulation will not be performed, and standard hematoma drainage will be completed.

Studietype

Ingrijpend

Inschrijving (Geschat)

440

Fase

  • Niet toepasbaar

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studiecontact

Studie Locaties

  • China
    • Anhui
      • Hefei, Anhui, China, 230601
        • The Second Affiliated Hospital of Anhui Medical University
        • Contact:

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

  • Volwassen
  • Oudere volwassene

Accepteert gezonde vrijwilligers

Nee

Beschrijving

Inclusion Criteria

  • Patients diagnosed with chronic subdural hematoma based on clinical symptoms and cranial CT or MRI.
  • Patients scheduled to undergo burr-hole drainage surgery.
  • Age 18 years or older.
  • Written informed consent obtained from the patient or legal representative. Exclusion Criteria
  • Acute subdural hematoma or other intracranial lesions requiring different surgical management.
  • Previous surgery for the same episode of chronic subdural hematoma.
  • Severe coagulation disorder or other contraindications to surgery.
  • Severe systemic disease making the patient unsuitable for participation.
  • Refusal or inability to provide informed consent.

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Behandeling
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Parallelle opdracht
  • Masker: Enkel

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Actieve vergelijker: Standard Burr-Hole Drainage
Participants assigned to this arm will undergo standard burr-hole drainage for chronic subdural hematoma according to routine clinical practice.
Procedure: Standard Burr-Hole Drainage Group
Standard burr-hole drainage performed according to routine clinical practice for chronic subdural hematoma.
Experimenteel: 3D-Printed Template-Guided Burr-Hole Drainage With Attempted MMA Coagulation
Participants assigned to this arm will undergo 3D-printed template-guided burr-hole drainage combined with attempted intraoperative middle meningeal artery coagulation for chronic subdural hematoma.
Procedure: 3D-Printed Template-Guided Burr-Hole Drainage With Attempted MMA Coagulation Group
Burr-hole drainage performed using a patient-specific 3D-printed template for surgical guidance, combined with attempted intraoperative coagulation of the middle meningeal artery.

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Recurrence of Chronic Subdural Hematoma Requiring Invasive Re-intervention within 3 Months after Surgery
Tijdsspanne: Within 3 months after surgery
Recurrence is defined as radiologically confirmed recurrent chronic subdural hematoma requiring repeat surgical intervention within 3 months after the initial surgery (e.g., repeat burr-hole drainage, craniotomy, endoscopic treatment, and/or MMA embolization).
Within 3 months after surgery

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Incidence of cSDH Recurrence (Hematoma Progression)
Tijdsspanne: Within 3 months after surgery
Incidence of cSDH Recurrence (Hematoma Progression): Hematoma progression will be defined as radiological increase in ipsilateral and/or bilateral subdural hematoma on follow-up imaging compared with the predefined postoperative baseline. Hematoma progression (Yes/No) will be considered present if any of the following criteria are met: (1) increase in maximal subdural hematoma thickness by ≥ 5 mm; (2) increase in midline shift by ≥ 3 mm; or (3) increase in hematoma cavity volume by ≥ 25%. The incidence will be reported as a percentage.
Within 3 months after surgery
Functional Outcome Measured by the Modified Rankin Scale (mRS)
Tijdsspanne: Within 3 months after surgery
Functional Outcome Measured by the Modified Rankin Scale (mRS): Functional status will be measured using the Modified Rankin Scale (mRS), a 7-point ordinal scale ranging from 0 (no symptoms) to 6 (death). Lower scores indicate better functional outcome.
Within 3 months after surgery
MMA identification rate
Tijdsspanne: Intra-operative
Deviation between Planned and Actual Burr-hole Sites: MMA identification rate will be reported as a percentage.
Intra-operative
Number of participants experiencing one or more peri-operative surgical or medical complications
Tijdsspanne: Intra-operative through 30 days post-operatively
Incidence of Peri-Operative Complications：Number of participants experiencing one or more peri-operative surgical or medical complications (e.g., wound infection, seizure, pneumonia, venous thromboembolism, acute subdural haematoma). Reported as a count and percentage.
Intra-operative through 30 days post-operatively
Length of Hospital Stay
Tijdsspanne: up to 30 days
Length of Hospital Stay: Length of hospital stay is defined as the number of days from admission to discharge.
up to 30 days
All-cause Mortality
Tijdsspanne: Within 3 months after surgery
All-cause Mortality: Proportion of participants who die from any cause during follow-up; reported as percentage.
Within 3 months after surgery

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

The Second Hospital of Anhui Medical University

Medewerkers

Xijing Hospital

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Geschat)

1 januari 2027

Primaire voltooiing (Geschat)

1 december 2028

Studie voltooiing (Geschat)

1 juni 2029

Studieregistratiedata

Eerst ingediend

8 juli 2026

Eerst ingediend dat voldeed aan de QC-criteria

21 juli 2026

Eerst geplaatst (Werkelijk)

22 juli 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

23 juli 2026

Laatste update ingediend die voldeed aan QC-criteria

22 juli 2026

Laatst geverifieerd

1 juli 2026

Meer informatie

Termen gerelateerd aan deze studie

Trefwoorden

Aanvullende relevante MeSH-voorwaarden

Andere studie-ID-nummers

  • SAHAMU-CSDH-RCT-001
  • 202512022 (Ander subsidie-/financieringsnummer: Anhui Provincial International Joint Research Center for Advanced Technology in Medical Imaging, Anhui University)

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

JA

Beschrijving IPD-plan

We will share the individual participant data (IPD) underlying the results, including de-identified participant data:

Participant-level data: baseline characteristics and pre-specified outcome Outcome data: all measures used for the primary and secondary endpoints Study data files: datasets used for the statistical analyses (e.g., analysis-ready datasets and relevant derived variables)

IPD-tijdsbestek voor delen

The IPD and supporting information will be available starting in January 2027(study start date) and will remain available until June 2029 (study completion date).

IPD delen Ondersteunend informatietype

  • LEERPROTOCOOL
  • SAP
  • ICF
  • MVO

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .

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