Inclusion visit (visit 1) (D0)
NRS, pain
SECONDARY
Recording of NRS scores for 48 hours (D-3 to D-1) allowing inclusion of the patient. Recording of clinical parameters such as age, sex, weight, height, etc., medical history, previous and concomitant treatments, vital signs. Baseline assessment: NRS, BPI, ESAS, HADS, STAI-Y and MQS (see secondary endpoints). Randomization (by centre, 1:1 ratio). Study personnel (physician and nurses specialized in pain management) will be blinded to the results of randomization.