Open and Closed Loop DTM SCS in Patients With PSPS Type 2: ENDLESS Study

Inclusion Criteria: * having chronic pain as a result of PSPS-T2 that exists for at least 6 months with at least moderate pain intensity (4 or higher measured on numeric rating scale (NRS) or 31mm or higher measured on visual analogue scale (VAS) for the dominant pain location. * being offered treatment with DTM SCS * being at least 18 years old Exclusion Criteria: * Expected inability of patients to properly operate the SCS system * History of coagulation disorders, lupus erythematosus, diabetic neuropathy * Active malignancy * Addiction to drugs and/or alcohol (more than 5 units /day) * Evidence of an active disruptive psychiatric disorder or other known condition significant enough to impact perception of pain, compliance to intervention and/or ability to complete questionnaires, as determined by the investigator * Immune deficiency (e.g. HIV positive, immunosuppressiva) * Life expectancy \< 1 year * Local infection or other skin disorder at site of incision * Pregnancy * Other implanted active medical device