Is there a cure for life long migraine when medications and Botox have failed?

Can Migraine even be ‘cured’? What would be a better word to describe the following result?
A patient that has been suffering with neurologist diagnosed migraine fails to get relief from various oral medications and fails to get relief from Botox. Even with medications, she is at such a constant severe pain level, that she needs intravenous medications every other week to reduce the pain level. The migraine is so disabling, she had to get a medical leave of absence from Medical school! Yet with Physiologic Neuromuscular orthotic, her pain resolves within days and she got off all her migraine medications. She continues to be pain free after 6 months so that she is able to rejoin medical school and continue to pursue her dream of becoming an ophthalmologist.
Yes. Cure is probably the best word to describe it.