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<p>We are aware of recent research looking at electrical stimulation of the vagus
nerve to treat patients with rheumatoid arthritis. This was a small pilot study of
14 people, and therefore research remains at an early stage. In order to be suitable
for routine National Health Service use, larger scale clinical trials demonstrating
the safety and efficacy of this treatment approach would need to be undertaken, and
assessments of its cost effectiveness would also need to be considered.</p>
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