EMBRACE-OBS: Single-Site Observational Registry of Patient-Reported Outcomes Following MMA Embolization for Migraine

Chronic Migraine Headache, Migraine, Migraine Disorders

Middle Meningeal Artery Embolization, MMA Embolization, Migraine, Headache, Patient-Reported Outcomes, HIT-6, Observational Registry, Neurointervention, EMBRACE-OBS

EMBRACE-OBS is the first phase of the EMBRACE research program. This single-site observational registry accesses and analyzes patient-reported outcome data already collected through routine clinical care from adults with migraine who have undergone or plan to undergo middle meningeal artery (MMA) embolization. The study describes changes in headache frequency, headache severity, medication use, migraine-related disability, quality of life, and reported adverse events over time without influencing clinical care.

EMBRACE-OBS is the first phase of the EMBRACE research program and is conducted as a single-site observational registry at Cortex Neurovascular. Migraine is a prevalent neurological disorder that can significantly affect quality of life and daily functioning. Middle meningeal artery (MMA) embolization is performed using FDA-cleared embolic devices. When used for migraine, the procedure is performed at the discretion of the treating physician as part of routine clinical care and independent of research participation. The purpose of this registry is to access and analyze clinical and patient-reported outcome data already collected through routine clinical care in patients who have undergone or plan to undergo MMA embolization for migraine. The study does not influence clinical decision-making, procedural technique, device selection, or follow-up care. The primary objective is to describe changes in patient-reported headache frequency and severity over time following MMA embolization performed as part of routine clinical care. Secondary objectives include describing changes in acute headache medication use, migraine-related disability, quality-of-life measures, medication use patterns, temporal patterns of symptom change, and the real-world safety profile of the procedure as reflected by reported adverse events and complications. Patient follow-up occurs through routine clinical care. Data accessed for this registry may include headache diaries, HIT-6 scores, clinical information, procedural information, medication use, and outcomes documented during routine clinical follow-up visits. No study-mandated interventions, procedures, visits, or assessments are performed. The research activity consists solely of accessing and analyzing information already documented during routine care. EMBRACE-OBS is conducted under a separate IRB-approved protocol (Solutions IRB Study 2026-Jun-1013). A separate interventional phase of the EMBRACE research program (EMBRACE-Full; NCT07313800) may be conducted in the future under appropriate regulatory approvals.

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