Treatment of Brain AVMs (TOBAS) Study
Public ClinicalTrials.gov record NCT02098252. 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.
Official title
Treatment of Brain AVMs (TOBAS) Study: A Randomized Controlled Trial and Registry
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The objectives of this study and registry are to offer the best management possible for patients with brain arteriovenous malformations (AVMs) (ruptured or unruptured) in terms of long-term outcomes, despite the presence of uncertainty. Management may include interventional therapy (with endovascular procedures, neurosurgery, or radiotherapy, alone or in combination) or conservative management. The trial has been designed to test a) whether medical management or interventional therapy will reduce the risk of death or debilitating stroke (due to hemorrhage or infarction) by an absolute magnitude of about 15% (over 10 years) for unruptured AVMs (from 30% to 15%); and, b) to test if endovascular treatment can improve the safety and efficacy of surgery or radiation therapy by at least 10% (80% to 90%). As for the nested trial on the role of embolization in the treatment of Brain AVMs by other means: the pre-surgical or pre-radiosurgery embolization of cerebral AVMs can decrease the number of treatment failures from 20% to 10%. In addition,embolization of cerebral AVMs can be accomplished with an acceptable risk, defined as permanent disabling neurological complications of 8%.
Study identification
- NCT ID
- NCT02098252
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 1,000 participants
Conditions and interventions
Conditions
Interventions
- Neurosurgery Procedure
- Radiation therapy Radiation
- Embolization Procedure
Procedure · Radiation
Eligibility (public fields only)
- Age range
- 5 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
- Apr 30, 2014
- Primary completion
- Dec 31, 2034
- Completion
- Dec 31, 2035
- Last update posted
- Aug 14, 2024
2014 – 2036
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic in Jacksonville FL | Jacksonville | Florida | — | Recruiting |
| Boston Medical Center | Boston | Massachusetts | 02118 | Recruiting |
| University of New Mexico Health Sciences Center | Albuquerque | New Mexico | 87131 | Recruiting |
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 27 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02098252, 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 Aug 14, 2024 · Synced Sep 10, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02098252 live on ClinicalTrials.gov.