The SQUID Trial for the Embolization of the Middle Meningeal Artery for Treatment of Chronic Subdural Hematoma (STEM)
Public ClinicalTrials.gov record NCT04410146. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
STEM Study is a pivotal, international, multi-center, prospective, randomized (1:1) controlled trial designed to provide an assessment of the safety and effectiveness of Middle Meningeal Artery (MMA) embolization with SQUID for the management of Chronic Subdural Hematoma (cSDH)
Study identification
- NCT ID
- NCT04410146
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 319 participants
Conditions and interventions
Conditions
Interventions
- SQUID Embolization Device
- SQUID Embolization and Surgical Evacuation Device
- Surgical Evacuation Procedure
- Standard Medical Management Other
Device · Procedure · Other
Eligibility (public fields only)
- Age range
- 30 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 1, 2020 (Actual)
- Primary completion
- May 23, 2024 (Actual)
- Completion
- May 23, 2024 (Actual)
- Last update posted
- Jun 4, 2026
2020 – 2024
United States locations
- U.S. sites
- 25
- U.S. states
- 16
- U.S. cities
- 24
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Barrow Neurological Institute | Phoenix | Arizona | 85013 | — |
| Carondolet St. Joseph's | Tucson | Arizona | 85711 | — |
| Riverside Community Hospital | Riverside | California | 92501 | — |
| Santa Barbara Cottage Hospital | Santa Barbara | California | 93105 | — |
| Los Robles Hospital and Medical Center | Thousand Oaks | California | 92360 | — |
| Swedish Medical Center | Englewood | Colorado | 80113 | — |
| Baptist Health | Jacksonville | Florida | 32207 | — |
| Emory University | Atlanta | Georgia | 30322 | — |
| Wellstar Kennestone Hospital | Marietta | Georgia | 30060 | — |
| University of Kansas | Kansas City | Kansas | 66160 | — |
| Johns Hopkins Medicine | Baltimore | Maryland | 21287 | — |
| Nebraska Health | Omaha | Nebraska | 68106 | — |
| Overlook Medical Center | Summit | New Jersey | 07901 | — |
| NYU Langone Health | New York | New York | 10016 | — |
| Stony Brook University | Stony Brook | New York | 11794 | — |
| Montefiore Medical Center | The Bronx | New York | 10467 | — |
| Geisinger Medical Center | Danville | Pennsylvania | 17822 | — |
| Penn State Health Hershey Medical Center | Hershey | Pennsylvania | 17918 | — |
| Thomas Jefferson University | Philadelphia | Pennsylvania | 19107 | — |
| Rhode Island Hospital | Providence | Rhode Island | 02903 | — |
| Methodist University Hospital | Memphis | Tennessee | 38104 | — |
| Baptist Memorial Hospital | Memphis | Tennessee | 38120 | — |
| University of Utah | Salt Lake City | Utah | 84132 | — |
| Swedish Cherry Hill | Seattle | Washington | 98122 | — |
| West Virginia University | Morgantown | West Virginia | 26506 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 7 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04410146, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 4, 2026 · Synced Oct 21, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04410146 live on ClinicalTrials.gov.