Effect of noninvasive vagus nerve stimulation on acute migraine: An open-label pilot study.

Cephalalgia. 2014 Mar 7. [Epub ahead of print]

Effect of noninvasive vagus nerve stimulation on acute migraine: An open-label pilot study.

Goadsby P1, Grosberg B, Mauskop A, Cady R, Simmons K.

Author information
Abstract
BACKGROUND:

We sought to assess a novel, noninvasive, portable vagal nerve stimulator (nVNS) for acute treatment of migraine.

METHODS:

Participants with migraine with or without aura were eligible for an open-label, single-arm, multiple-attack study. Up to four migraine attacks were treated with two 90-second doses, at 15-minute intervals delivered to the right cervical branch of the vagus nerve within a six-week time period. Subjects were asked to self-treat at moderate or severe pain, or after 20 minutes of mild pain.

RESULTS:

Of 30 enrolled patients (25 females, five males, median age 39), two treated no attacks, and one treated aura only, leaving a Full Analysis Set of 27 treating 80 attacks with pain. An adverse event was reported in 13 patients, notably: neck twitching ( N  = 1), raspy voice ( N  = 1) and redness at the device site ( N  = 1). No unanticipated, serious or severe adverse events were reported. The pain-free rate at two hours was four of 19 (21%) for the first treated attack with a moderate or severe headache at baseline. For all moderate or severe attacks at baseline, the pain-free rate was 12/54 (22%).

CONCLUSIONS:

nVNS may be an effective and well-tolerated acute treatment for migraine in certain patients.

KEYWORDS:

Migraine, acute treatment, neuromodulation, vagus nerve

PMID:

24607501

[PubMed – as supplied by publisher]

http://www.ncbi.nlm.nih.gov/pubmed/24607501

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About vnstherapy

I'm a very, very long-time support person and health care and mental health advocate/activist for my spouse Joyce as well as to others. I'm also a retired business executive and former Board Member, President and facilitator of a local chapter of DBSA as well as a Florida State appointment as a Guardian Advocate. I do not endorse, promote or advertise for any therapy, product or company. I do share our personal experiences, my research and knowledge in the hope it might benefit someone or do I give advice as to what one should or shouldn't do. I extend my best wishes for wellness to one and all and all the good you’d wish for yourselves.
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