Evaluation of Efficacy and Safety of Intradiscal Gelified Ethanol in Refractory Cervical Discogenic Pain (DISCERV)

Inclusion Criteria: Patient 18 years or older; Pain refractory to conservative treatments for more than 2 months, non-surgical patients Cervicobrachialgia due to disc herniation Chronic discogenic pain (1 or 2 cervical discs) with concordant MRI; Patient agreeing to participate in the study and having given written consent; Patient enrolled in a health insurance plan. Exclusion Criteria: Prior surgical treatment of the disc(s) studied; Sick leave of more than 12 months secondary to painful symptoms; Patient with Modic 1 score or more History of cognitive-behavioral disorders that could affect the completion of self-questionnaires; Local or systemic infection, or suspicion of infection; Severe coagulation disorders; Other inflammatory rheumatic disease; Severe underlying pathology with life expectancy <1 year; Women of childbearing age who are pregnant at the inclusion visit or who wish to become pregnant before the administration of the treatment (V0); Known allergy to contrast material and/or local anesthetic substances; Patients who cannot read or write Italian; Major person benefiting from a legal protection regime (guardianship, curatorship, safeguard of justice);