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Middle Meningeal Artery Embolization for Patients With Chronic Subdural Hematoma

Randomized Clinical Trial of Middle Meningeal Artery Embolization for Patients With Chronic Subdural Hematoma (COMPLEMENT Study)

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06772740
Enrollment
600
Registered
2025-01-14
Start date
2024-12-23
Completion date
2029-03-31
Last updated
2026-07-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Subdural Hematoma, Endovascular Treatment

Brief summary

COMPLEMENT study (ChrOnic subdural hematoMa Patients suppLemented with Embolization of Middle mENingeal artery Trial) is a prospective, open label, blinded endpoint (PROBE), Japanese, two-arm, randomized, controlled, post-market study to assess the efficacy and safety of middle meningeal artery embolization for chronic subdural hematoma.

Interventions

Middle meningeal artery embolization within 7 days after randomization

Sponsors

Kazutaka Uchida
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Age \>=18 2. pre-mRS 0-3 3. Hematoma thickness \>=10mm 4. Having at least one risk factor Risk factor: Age \>=75, Antithrombotic therapy, DM, Bilateral hematoma, Markwalder grading score \>3, Preoperative volume \>=130ml, Preoperative midline shift \>=8mm, CT appearance (Homogeneous, laminar or separated)

Exclusion criteria

1. Cr \>=1.8 2. Plt \<50,000, PT-INR \>2 3. Life expectancy \<6 months

Design outcomes

Primary

MeasureTime frameDescription
Rate of recurrence of chronic subdural hematoma6 months after randomizationRecurrence of chronic subdural hematoma is defined as the maximum thickness of subdural hematoma exceeding 10 mm or the patient receiving re-operation.

Countries

Japan

Contacts

CONTACTKazutaka Uchida, MD, PhD
fu-sakakibara@hyo-med.ac.jp81+798-45-6458

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 18, 2026