Role of Ultrasound Guide Greater Occipital Nerve Block at Second Cervical Vertebra in Migraine Headache Prophylaxis

The goal of this randomized controlled study in Thailand. is to find if there is a role of local anesthetic greater occipital nerve block at Cervical spine level 2 under ultrasound guide in prophylaxis of episodic migraine and chronic migraine in patients with failed oral prophylaxis medication. According to guidelines of the International Headache Society for controlled trials of preventive treatment of migraine attacks in episodic and chronic migraine,the primary and secondary outcome were monitoring followed by these research guideline After informed consent, volunteer will be stratified random into 2 groups of injection agent at unilateral greater occipital nerve block on headache site under US guide by pain physician * Normal saline * 0.5% bupivacaine the injection was done 2 times between Week 0 and week 4 as to wean off placebo effect the volunteer will be monitor by pain diary at 1 month before intervention at week 0,4,8,12 and follow up at week 24 for Migraine Disability Assessment Test (MIDAS) ,Thai Hospital-Anxiety-depression index(Thai-HADS)

NCT Number	NCT06432127
Lead Sponsor	Mahidol University
Conditions	Migraine Disorders
Enrollment	108 participants
Start Date	2024-05-30
Primary Completion	2026-01 (estimated)
Study Completion	2027-01 (estimated)
Updated on ClinicalTrials.gov	2024-05-29