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JAPANESE
JRCT ID: jRCT1052250165

Registered date:08/12/2025

OBSERVATIONAL, PROSPECTIVE, MULTICENTER STUDY ON HISTOACRYL USED FOR EMBOLIZATION OF MIDDLE MENINGEAL ARTERY (MMA) IN CHRONIC SUBDURAL HEMATOMA (CSDH)

Basic Information

Recruitment status Pending
Health condition(s) or Problem(s) studiedChronic Subdural Hematoma
Date of first enrollment16/02/2026
Target sample size178
Countries of recruitment
Study typeObservational
Intervention(s)

Outcome(s)

Primary OutcomeRecurrence or progression of subdural hematoma within 3 months following the index procedure
Secondary OutcomeEfficacy -Time period from symptoms to embolization, from burr-hole drainage to embolization and from embolization to recurrence -Change in hematoma thickness at V4: 3 months and V5: 6 months compared to baseline -Change in midline shift at V4: 3 months and V5: 6 months compared to baseline -Cognitive assessment assessed by MMSE at V1: preoperatively, V3: discharge, V4: 3 months and V5: 6 months -Quality of life assessed by EQ-5D scale from 0 (worst health) to 100 (best health) at V1: preoperatively, V3: discharge, V4: 3 months and V5: 6 months Safety -Rate of (Serious) Adverse Events at V3: discharge, V4: 3 months and V5: 6 months -Duration of Hospital stay after index procedure -Rate and duration of rehospitalization Handling of Histoacryl -Volume -Targeted arteries (main trunk of MMA / frontal branches / parietal branches) -Injection time -Intraoperative complications/AEs (catheter breakage or entrapment, etc)

Key inclusion & exclusion criteria

Age minimum>= 18age old
Age maximumNot applicable
GenderBoth
Include criteria-18 years old or older - Confirmed diagnosis of chronic subdural hematoma or recurrent subdural hematoma - Completed documented informed consent - Willingness and presumed capability to participate in follow-up visits for up to 6 months
Exclude criteria- Extensive cerebral infarction, brain tumor, or space-occupying lesion requiring treatment - Need craniotomy - Any sign of anatomical variations that could make MMA embolization unsafe - Coagulation dysfunction with INR>1.8 and/or platelet count <80*109/L - Allergic reactions to Histoacryl and essential medicines to do angiography - Women who are pregnant, lactating, or who are of childbearing age and plan on becoming pregnant during the study - Participation in another clinical trial

Related Information

Contact

Public contact
Name Sakai Chiaki
Address 53 Kawaramachi Shogoin, Sakyo-ku, Kyoto City Kyoto Japan 606-8507
Telephone +81-75-751-3459
E-mail chiakisa@kuhp.kyoto-u.ac.jp
Affiliation Kyoto University Hospital
Scientific contact
Name Chiaki Sakai
Address 53 Kawaramachi Shogoin, Sakyo-ku, Kyoto City Kyoto Japan 606-8507
Telephone +81-75-751-3459
E-mail chiakisa@kuhp.kyoto-u.ac.jp
Affiliation Kyoto University Hospital