Status:

COMPLETED

Embolization of the Middle Meningeal Artery With ONYX™ Liquid Embolic System for Subacute and Chronic Subdural Hematoma

Lead Sponsor:

Medtronic Neurovascular Clinical Affairs

Conditions:

Subdural Hematoma

Eligibility:

All Genders

18-90 years

Phase:

NA

Brief Summary

The purpose of this study is to evaluate the safety and efficacy of embolization of the middle meningeal artery (MMA) using the Onyx™ Liquid Embolic System (LES) for treatment of symptomatic subacute ...

Eligibility Criteria

Inclusion

  • Pre-morbid Modified Rankin Score ≤3
  • Confirmed diagnosis of subacute or chronic subdural hematoma
  • Completed informed consent
  • Meets criteria for Surgery or Observation Cohort

Exclusion

  • Life expectancy \<1 year
  • Unable to complete follow-up
  • Pregnant, lactating, or has a positive pregnancy test at time of admission
  • Diagnosed with acute SDH
  • Potentially dangerous anatomic variations leading to increased procedural risk or unsafe access for MMA embolization
  • Pre-randomized Markwalder Grading Scale score ≥ 3
  • Unmanaged, uncontrolled bleeding disorders/blood diathesis
  • Presumed septic embolus, or suspicion of microbial superinfection
  • Known active COVID-19 infection
  • CT or MRI evidence of intra-cranial tumor or mass lesion Contraindication to angiography
  • Participation in another clinical trial
  • Contraindicated for the use of Onyx™ LES
  • Cannot be taken off corticosteroids (intended to treat subacute or chronic SDH) for at least 90 days post-randomization

Key Trial Info

Start Date :

October 27 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

April 3 2025

Estimated Enrollment :

600 Patients enrolled

Trial Details

Trial ID

NCT04402632

Start Date

October 27 2020

End Date

April 3 2025

Last Update

December 11 2025

Active Locations (49)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 13 (49 locations)

1

University of Alabama at Birmingham (UAB) Hospital

Birmingham, Alabama, United States, 35233-1932

2

Carondelet St. Joseph's Hospital

Tucson, Arizona, United States, 85710

3

University of California Irvine Medical Center

Irvine, California, United States, 92868

4

USC - Keck School of Medicine

Los Angeles, California, United States, 90033