NCT04511572

Brief Summary

Chronic subdural hematoma (cSDH) is a common neurological affliction which affects mostly frail and elderly patients. Surgical evacuation by using burr hole craniostomy (BHC) is the most frequently used treatment but carries a recurrence rate varying between 10-30% in the literature. Especially in this frail population re-operation is undesirable. Embolization of the middle meningeal artery is an adjuvant treatment which has been reported in multiple case reports and larger case series, showing a beneficial effect on recurrence rate, reducing it to \<5%, without complications. Objectives: Primary: To evaluate whether additional embolization of the middle meningeal artery after surgery for cSDH reduces the recurrent surgery rate. Secondary: to evaluate whether the use of middle meningeal artery embolization after surgical treatment in symptomatic cSDH patients increases quality of life (SF-36 and the EQ-5D-5L), performance in activities of daily living (AMC Linear Disability Score), functional outcome (mRS), cognitive functioning (MOCA) and reduces mortality, occurrence of complications, recurrence rate, size and volume of the hematoma, neurological impairment (mNIHSS, Markwalder score) and the use of care and health-related costs (iMCQ and iPCQ). Study design: Multicenter, randomized controlled open-label superiority trial. Study population: Patients diagnosed with a cSDH who require surgery. Intervention: The intervention group will receive embolization in addition to standard surgical treatment. The control group will receive surgery only. Main study endpoint: The number of patients who require reoperation within 24 weeks after the intervention. Symptomatic cSDH patients will undergo peri-operative embolization of the middle meningeal artery until 72 hours after surgical treatment. Complications are monitored during hospital admission and follow-up. Radiological and clinical follow-up is at eight, 16 and 24 weeks post-intervention with a CT-scan of the head and assessment of mRS, MOCA, mNIHSS, Markwalder score, SF-36, EQ-5D-5L, ALDS, iMCQ and iPCQ. Standard care after surgery entails outpatient follow-up with on average two CT-scans, indicated by clinical signs and symptoms.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
170

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Dec 2020

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 7, 2020

Completed
6 days until next milestone

First Posted

Study publicly available on registry

August 13, 2020

Completed
4 months until next milestone

Study Start

First participant enrolled

December 10, 2020

Completed
4.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2025

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2025

Completed
Last Updated

July 31, 2024

Status Verified

July 1, 2024

Enrollment Period

4.6 years

First QC Date

August 7, 2020

Last Update Submit

July 30, 2024

Conditions

Outcome Measures

Primary Outcomes (3)

  • Reoperation

    Number of patients who require a reoperation for recurrent cSDH

    8 weeks after discharge.

  • Reoperation

    Number of patients who require a reoperation for recurrent cSDH

    16 weeks after discharge.

  • Reoperation

    Number of patients who require a reoperation for recurrent cSDH

    24 weeks after discharge.

Secondary Outcomes (24)

  • Hematoma volume reduction

    8 weeks after discharge.

  • Hematoma volume reduction

    16 weeks after discharge.

  • Hematoma volume reduction

    24 weeks after discharge.

  • Complications

    8 weeks after discharge.

  • Complications

    16 weeks after discharge.

  • +19 more secondary outcomes

Study Arms (2)

Standard Care: burr hole surgery

NO INTERVENTION

Patients who have had burr hole evacuation for symptomatic chronic subdural hematomas will be followed in the outpatient clinic after hospital discharge at 8, 16 and 24 weeks with a follow-up CT-scan of the head in addition to assessment of mRS, MOCA, mNIHSS, Markwalder score, SF-36, EQ-5D-5L, ALDS, iMCQ and iPCQ.

embolisation middle meningeal artery

ACTIVE COMPARATOR

Besides standard treatment those patient who are allotted to the intervention group will receive embolization of the middle meningeal artery until 72 hours after burr hole evacuation. After hospital discharge follow-up is at 8, 16 and 24 weeks with a follow-up CT-scan of the head in addition to assessment of mRS, MOCA, mNIHSS, Markwalder score, SF-36, EQ-5D-5L, ALDS, iMCQ and iPCQ.

Procedure: embolization of the middle meningeal artery

Interventions

The embolization procedure will be as follows: first femoral artery access will be obtained by using a 5 French micropuncture kit and common carotid and external carotid angiography is performed using a standard 5 French diagnostic catheter. A microcatheter is then advanced selectively under roadmap guidance into the middle meningeal artery (MMA), and MMA angiography is performed to evaluate for potential dangerous anastomoses such as the orbital branch to the ophthalmic artery. Embolization is performed using polyvinyl alcohol particles (100 microns in diameter) under blank fluoroscopic roadmap while carefully avoiding reflux. Particles are infused until lack of anterograde flow into the MMA branches is demonstrated on angiography, and the catheters are removed \[31\]. The procedure is performed under local anesthesia.

embolisation middle meningeal artery

Eligibility Criteria

Age50 Years - 90 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • · CT-confirmed diagnosis of chronic Subdural Hematoma;
  • Primary surgical treatment based on clinical symptoms (progressive neurological deficits).

You may not qualify if:

  • · Significant contraindication to angiography (eg. allergy for contrast);
  • Structural causes for subdural hemorrhage, e.g. arachnoid cysts, cortical vascular malformations and a history of cranial surgery in the previous 365 days;
  • Inability to obtain informed consent from the patient or legal representative (when the patient has a depressed level of consciousness), including language barrier;
  • Monocular blindness on contralateral side of the hematoma;

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Amsterdam university medical Centers

Amsterdam, 1100 DD, Netherlands

RECRUITING

Related Publications (39)

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Related Links

MeSH Terms

Conditions

Hematoma, Subdural, Chronic

Condition Hierarchy (Ancestors)

Hematoma, SubduralIntracranial Hemorrhage, TraumaticIntracranial HemorrhagesCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesCraniocerebral TraumaTrauma, Nervous SystemVascular DiseasesCardiovascular DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsHematomaHemorrhageWounds and Injuries

Study Officials

  • William P. Vandertop, MD PhD

    Amsterdam Universities Medical Centers

    STUDY CHAIR

Central Study Contacts

Dagmar Verbaan, PhD

CONTACT

R. van den Berg, MD PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
chair Neurosurgery

Study Record Dates

First Submitted

August 7, 2020

First Posted

August 13, 2020

Study Start

December 10, 2020

Primary Completion

July 1, 2025

Study Completion

October 1, 2025

Last Updated

July 31, 2024

Record last verified: 2024-07

Data Sharing

IPD Sharing
Will not share

Locations