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Clinical trialNCT04402632CompletedInterventional

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

SponsorMedtronic Neurovascular Clinical AffairsEnrollment600Subdural Hematoma
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

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 or chronic subdural hematoma (SDH)

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

49 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • University of Alabama at Birmingham (uab) Hospital

    Birmingham, Alabama, United States

  • Carondelet St. Joseph'S Hospital

    Tucson, Arizona, United States

  • University of California Irvine Medical Center

    Irvine, California, United States

  • Usc - Keck School of Medicine

    Los Angeles, California, United States

  • Huntington Memorial Hospital

    Pasadena, California, United States

  • Ucsd Medical Center

    San Diego, California, United States

  • California Pacific Medical Center

    San Francisco, California, United States

  • University of California San Francisco Medical Center

    San Francisco, California, United States

  • Providence Little Company of Mary Medical Center

    Torrance, California, United States

  • University of Colorado Denver School of Medicine

    Aurora, Colorado, United States

  • Uf Health Heart and Vascular Hospital

    Gainesville, Florida, United States

  • Memorial Regional Hospital

    Hollywood, Florida, United States

  • Baptist Medical Center Jacksonville

    Jacksonville, Florida, United States

  • Jackson Memorial Hospital

    Miami, Florida, United States

  • Orlando Regional Medical Center Orlando Health

    Orlando, Florida, United States

  • Tampa General Hospital

    Tampa, Florida, United States

  • Saint Mary'S Medical Center

    West Palm Beach, Florida, United States

  • Grady Memorial Hospital

    Atlanta, Georgia, United States

  • Rush University Medical Center

    Chicago, Illinois, United States

  • Advocate Lutheran General Hospital

    Park Ridge, Illinois, United States

  • Ascension Saint Vincent Hospital

    Indianapolis, Indiana, United States

  • University of Iowa Hospitals and Clinics

    Iowa City, Iowa, United States

  • University of Kentucky Albert B Chandler Hospital

    Lexington, Kentucky, United States

  • Brigham and Women'S Hospital

    Boston, Massachusetts, United States

  • Lahey Hospital & Medical Center

    Burlington, Massachusetts, United States

  • Mclaren Flint Hospital

    Flint, Michigan, United States

  • Corewell Health

    Grand Rapids, Michigan, United States

  • Barnes-Jewish Hospital

    St Louis, Missouri, United States

  • Albany Medical Center

    Albany, New York, United States

  • Buffalo General Medical Center

    Buffalo, New York, United States

  • North Shore University Hospital

    Manhasset, New York, United States

  • New York-Presbyterian Hospital/weill Cornell Medical Center

    New York, New York, United States

  • the Mount Sinai Hospital

    New York, New York, United States

  • Westchester Medical Center

    Valhalla, New York, United States

  • Atrium Health'S Carolinas Medical Center

    Charlotte, North Carolina, United States

  • Cleveland Clinic

    Cleveland, Ohio, United States

  • the Ohio State University/wexner Medical Center

    Columbus, Ohio, United States

  • Promedica Toledo Hospital

    Toledo, Ohio, United States

  • Oklahoma University Medical Center

    Oklahoma City, Oklahoma, United States

  • Oregon Health & Science University Hospital

    Portland, Oregon, United States

9 more sites on the registry record.ClinicalTrials.gov ↗

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
27 Oct 2020
Primary completion
19 Dec 2024
Completion
3 Apr 2025
Last update posted
11 Dec 2025
Registered enrollment
600
Registry id
NCT04402632

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.