In the oncology area, neuropathic pains are relatively frequent and can be induced by surgery, radiotherapy, or chemotherapy. In usual practice, some units are using qutenza in order to reduce neuropathic pain even though using of this patch for a population of cancer patients has never been demonstrated so far in a prospective study. The present prospective study proposes to evaluate the qutenza efficacy in peripheric neuropathic pain in cancer patients.