Evaluating outcomes of unruptured brain arteriovenous malformations using multimodal CT

Evaluation of Clinical Outcomes of Unruptured Brain Arteriovenous Malformations Treated With Medical Management Alone Based on Multimodal Computer Tomography: A Long-term Multicenter Prospective Cohort Study

Observational Beijing Tiantan Hospital · NCT05449106

This study is testing how well medical treatment works for people with unruptured brain arteriovenous malformations by using advanced imaging techniques to see how these conditions affect their health over time.

Quick facts

Study typeObservational
Enrollment200 (estimated)
Ages3 Years to 80 Years
SexAll
SponsorBeijing Tiantan Hospital Academic / other
Locations4 sites (Beijing, Beijing Municipality and 3 other locations)
Trial IDNCT05449106 on ClinicalTrials.gov

What this trial studies

This observational study aims to assess the clinical outcomes of patients with unruptured brain arteriovenous malformations (bAVMs) who are managed medically. It utilizes multimodal CT imaging to analyze morphological, structural, and hemodynamic features of bAVMs, exploring their relationship with clinical outcomes. The study also employs deep learning algorithms to develop automated segmentation and prediction models based on imaging data. Patient follow-up will occur at multiple intervals over three years to gather comprehensive clinical information.

Who should consider this trial

Good fit: Ideal candidates include patients diagnosed with unruptured brain arteriovenous malformations who have not experienced any related hemorrhage.

Not a fit: Patients with simple arteriovenous fistulas, dural arteriovenous fistulas, or those with spinal cord arteriovenous malformations will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the understanding and management of unruptured bAVMs, potentially leading to improved patient outcomes.

How similar studies have performed: While the use of multimodal CT and machine learning in this context is innovative, similar studies have shown promise in improving imaging and predictive capabilities in vascular conditions.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Patients with confirmed diagnosis of brain arteriovenous malformations in the brain, basal ganglia, thalamus, corpus callosum, cerebellum and other locations.
2. Patients with no history of previous arteriovenous malformation-related hemorrhage and no arteriovenous malformation-related hemorrhage confirmed by CT examination.
3. Patients with Radiographic examinations completed without any treatment

Exclusion Criteria:

1. Patients with simple arteriovenous fistula.
2. Patients with combined dural arteriovenous fistulas.
3. Arteriovenous malformations occurring in the spinal cord.
4. Pregnant patients were not included in this study.

Where this trial is running

Beijing, Beijing Municipality and 3 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Brain Arteriovenous MalformationsUnruptured arteriovenous malformationsMultimodal CTMachine learning
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.