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Swedish Trial on Embolization of Middle Meningeal Artery Versus Surgical Evacuation in Chronic Subdural Hematoma

Study acronym: SWEMMA
StatusActive, Not Recruiting
PhaseNot applicable
Started2022-03-28
View on ClinicalTrials.gov ↗

Amendment history

2026-09-11
Study Status, Contacts/Locations v5
Enrollment closed, study ongoing
Completion pushed: 2027-03 → 2027-09
Study sitesdetails revised at 4 of 4 sites
2024-04-08
Study Status, Contacts/Locations v4
Study sitesdetails revised at 1 of 4 sites
2023-11-16
Study Status v3
Primary completion date2024-12→2026-12
Completion date2026-03→2027-03
2022-04-22
Not Yet Recruiting→Recruiting Study Status, Contacts/Locations v2
Trial statusNot Yet Recruiting→Recruiting
Start dateestimated 2022-03-21→confirmed 2022-03-28
Study sitesdetails revised at 4 of 4 sites
2022-03-04
Study Status, Outcome Measures v1
Secondary endpointsdetails revised at 1 of 6 entries
2022-02-24
Original filing
Region Skane
146 trials monitored
See 5 trials at risk
The SWEMMA trial is an open, national, multi-center, prospective, randomized (1:1), superiority trial designed to assess impact on reoperation rates for chronic subdural hematoma with a head-to-head comparison of embolization of the middle meningeal artery (intervention) with standard neurosurgical hematoma evacuation (control).
Trial Details
NCT Number NCT05267184
Lead Sponsor Region Skane
Collaborators: Lund University, Sahlgrenska University Hospital, Karolinska University Hospital, Norrlands University Hospital
Conditions Chronic Subdural Hematoma
Enrollment 288 participants
Start Date 2022-03-28
Primary Completion 2026-12 (estimated)
Study Completion 2027-09 (estimated)
Updated on ClinicalTrials.gov 2026-09-14