Efficacy and Safety of NYX-2925 in Subjects With Neuropathic Pain Associated With Diabetic Peripheral Neuropathy (DPN)

Inclusion criteria: * Informed consent * Subject has diabetic peripheral neuropathy of symmetrical nature in lower extremities for ≥4 years and reports at least moderate pain over the last week * Stable diabetic and protocol allowed medication during the study * Agrees to use highly effective birth control during the study * Has not participated in an interventional study for at least 30 days and agrees not to participate in another interventional study during the study Exclusion Criteria: * Pain due to other conditions or diseases that would complicate participation in the study or pain reporting * Current or historical serious medical conditions * Prior participation in NYX-2925 clinical trial