A Study to Assess Outcomes in Unruptured bAVM Patients


About this study

The purpose of this study is to identify robust, clinically-applicable risk factors for stroke and death in unruptured bAVMs, and study long-term outcomes in patients with and without treatment.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  1. Adults (18 years and up) Males and females
  2. Diagnosed with an unruptured brain arteriovenous malformation (bAVM) at time of enrollment*
  3. Willing and able to provide informed consent to participate in the study at enrollment * and be followed at one of the participating MARS Consortium Sites

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Kelly Flemming, M.D.

Closed for enrollment

Contact information:

Kelly Flemming M.D.

(507) 284-4741


More information


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