Vestibular Migraine with Three or More Attacks per Month — When Prophylactic Monotherapy Has Not Worked
Clinical Scenario
This protocol is for patients with vestibular migraine experiencing three or more attacks per month with a negative impact on quality of life, in whom a first-line preventive monotherapy regimen has not produced an adequate response.
Previous Treatment — Inadequate Response
A full trial of prophylactic monotherapy — using one high-evidence preventive agent (propranolol, metoprolol, bisoprolol, flunarizine, topiramate, valproic acid, or amitriptyline), titrated slowly to the highest tolerated dose — did not achieve the treatment target of a 50% or greater reduction in migraine attack frequency, as evaluated two months after reaching the highest tolerated dose. This insufficient response is the trigger for escalating to the next treatment step.
Treatment Goal
A reduction in migraine attack frequency of 50% or more.
Next Step — Treatment Approach (Overview)
When monotherapy proves inadequate, a structured combination of two preventive agents is considered — the full protocol specifies which pairings are supported and how to apply them.
References
- Three or more migraine attacks per month with negative impact on quality of life;
- If there is no or only inadequate response to a mono-therapy, combination therapy may be considered.
- In smaller studies, combinations of beta blockers, or flunarizine with topiramate, as well as valproate and beta blockers were effective.
- Migraine prevention is considered effective when it achieves a reduction of the migraine attack frequency of 50% or more.
DOI: 10.1177/2514183X1882337
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