This is a double-blind, randomized, placebo-controlled crossover outpatient study in patients
with peripheral neuropathic pain with allodynia or hyperalgesia to cold, heat, brush and/ or
pinprick stimulation. Patients will in random order receive ACD440 Gel or placebo treatment
twice daily for 7 days, topically applied to the painful area. This is followed by a 2-week
washout period, then receive the alternate treatment.