Eligibility Criteria:
Inclusion Criteria:
* \- Age ≥ 18 years
* Breast cancer patients suffering from chemotherapy-induced peripheral neuropathy for at least 3 months after the end of their last cancer chemotherapy
* Numerical rating scale ≥ 4
* Patient in stable clinical situation on the next month (no surgery, radiotherapy, hormone therapy, chemotherapy or other treatment scheduled in the month following the enrollment)
* Patients affiliated to the French Social Security
* Patients with free and informed consent has been obtained
Exclusion Criteria:
* \- Hypersensitivity to the active substance or to any of the excipients
* Hypertension
* History of stroke
* Severe heart failure
* Severe hepatic impairment
* Shortness of breath
* Congenital galactosemia, glucose-galactose malabsorption, lactase deficiency
* Association with linezolid
* Pre-existence or history of peripheral neuropathy due to a cause different from neurotoxic chemotherapy
* Diabetes (type I and II)
* Medical and surgical history incompatible with the study
* Patient receiving treatment with amantadine, ketamine, memantine, L-Dopa, dopaminergic agonists, anticholinergics, barbiturates, neuroleptics, Monoamine oxidase inhibitor, dantrolene or baclofen, phenytoin, cimetidine, ranitidine, procainamide, quinidine, quinine, amiodarone, fluoxetine, paroxetine, propafenone, thioridazine, ritonavir, nicotine, hydrochlorothiazide, warfarin
* Present or past psychotropic substances and alcohol dependence
* Childbearing age, no use of effective contraceptive method, pregnancy or lactation
* Patient exclusion period, or the total allowable compensation exceeded
* Patients undergoing a measure of legal protection (guardianship, supervision ...)