The purpose of this study is to evaluate the efficacy of BIIB074 in treating pain experienced by participants with confirmed small fibre neuropathy (SFN) that is idiopathic or associated with diabetes mellitus.
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Study Coordinators and Research Nurses cannot give medical advice over the phone. Telephone numbers and email addresses are provided for obtaining additional information on specific research studies only. If you have specific questions which require clinical expertise, please call your primary care physician.