PROLONG Prospective, Multi-center, Open-label, Post-market Study

Inclusion Criteria: 1. Patient must provide written informed consent prior to any clinical investigation related procedure. 2. Patient has a spinal cord stimulator implanted for chronic, intractable pain. 3. Patient has inadequate pain relief from their current SCS system. 4. Patient has a pain NRS ≥ 6. 5. Physician has determined that the patient's original pain is still addressable with neurostimulation. Exclusion Criteria: 1. Patient is enrolled, or intends to participate, in a competing clinical study, as determined by Abbott. 2. Patient is seeking care for a new pain complaint outside of the original indication for SCS. 3. Presence of other anatomic or comorbid conditions, or other medical, social, or psychological conditions that, in the Investigator's opinion, could limit the patient's ability to participate in the clinical investigation or to comply with follow-up requirements. 4. Physician has determined that patient's pain relief is inadequate due to a malfunction or damage to the existing system. 5. Patient requires frequent MRI. 6. Patient is involved in active disability litigation related to their pain or seeking worker's compensation. 7. Patient is part of a vulnerable population.