Migraine is among the leading causes of disability worldwide. Inappropriate use of acute medications in the setting of primary headache, particularly migraine can result in a debilitating condition known as medication overuse headache (MOH). Treatment of MOH is challenging and the primary therapeutic approach is reducing painkillers which helps decrease the number of headache days. As a part of the detoxification process to discontinue acute medications, bridging therapy is often needed to reduce withdrawal headache. Currently, there are data supporting the use of greater occipital nerve block as a preventive treatment in chronic migraine, but no placebo-controlled trial has evaluated the efficacy of greater occipital nerve block in MOH. Therefore, this research aims to demonstrate the efficacy of greater occipital nerve block in detoxification of migraine patients with MOH. Patients will be recruited from Headache Clinic at 3 centers in Thailand from February 2026 to January 2028. After recruitment, patients will be randomized into 2 groups at a 1:1 ratio using a block of four, namely group A and B. A 5-mL syringe of 2 mL of lidocaine 2% and 2 mL of methylprednisolone 40 mg/mL (80 mg) will be prepared for each patient in group while a 5-mL syringe of 4 mL normal saline will be prepared for each patient in group B. Monthly headache days, duration, severity, acute medication type and number of usage days and relative headache status according to a 5-point Likert scale will be investigated at the 2 weeks, 1st, 2nd and 3rd month, MIDAS at the end of 3rd month.
Age range
18 Years – 80 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Percentage of patients with Medication Overuse Headache (MOH)
Timeframe: At the end of month 1 and month 3 after detoxification.