Noninvasive Modulation of Chronic Neuropathic Pain

Inclusion Criteria: * Primary diagnosis of chronic pain * Moderate-to-severe chronic pain lasting at least 2 months * Stated willingness to comply with all study procedures and avoid changes to current treatments (medications, physical therapy, cognitive behavioral therapy) for the duration of the study * For females of reproductive potential: negative pregnancy test or use of highly effective contraception for at least 1 month prior to baseline; agreement to use such a method throughout the study * Capacity to provide informed consent; provision of a signed and dated consent form Exclusion Criteria: * Poorly managed general medical condition * Pregnant or breast feeding * Implanted device in the back * Lifetime history of a serious suicide attempt * Clinically inappropriate for participation in the study as determined by the study team