Safety and Efficacy of Middle Meningeal Artery Embolization for the Treatment of Migraine.

This study is a multicenter, prospective, double-blind, multi-arm, randomized controlled trial that investigates whether middle meningeal artery embolization is superior to current standard pharmacotherapy for migraine. The main objectives of the study are to explore whether middle meningeal artery embolization can reduce migraine patients' dependence on migraine medications and to assess the safety of middle meningeal artery embolization with coils.This study will enroll 150 subjects with a long history of headache from multiple clinical centers, who will be randomly assigned using a stratified randomization method via computer and web-based software. Stratified randomization will be performed according to study centers (different sub-centers). Subjects will be randomly allocated in a 1:1:1 ratio to the unilateral embolization group, bilateral embolization group, or conventional pharmacotherapy group (hereinafter referred to as the "control group"), with 50 subjects in each group. The unilateral embolization group will receive unilateral MMA interventional embolization plus conventional pharmacotherapy, the bilateral embolization group will receive bilateral MMA interventional embolization plus conventional pharmacotherapy, and the control group will receive only conventional standard pharmacotherapy. Baseline data prior to randomization and data on primary and secondary endpoint scores will be collected for all enrolled subjects. Regular follow-up will be conducted to evaluate the recovery of headache.