Suprascapular Nerve Block for Treatment of Shoulder Pain in Individuals With Spinal Cord Injuries

Inclusion Criteria: 1\. Male or female, 18-70 years of age, inclusive. 2 Neurological impairment secondary to SCI that occurred at least twelve (12) months prior to the Screening Visit; neurological level of injury between C6 and L5, inclusive. 3\. Non-ambulatory, except for exercise or therapy purposes. 4. Uses a manual wheelchair. 5 History of chronic shoulder pain for ≥6 months that has been unresponsive to conservative treatment (e.g. physical therapy, pharmacological agents), and is rated as ≥4 out of 10 on an 11-point Numeric Rating Scale (NRS) (0 = "no pain"; 10 = "most intense pain imaginable") for average shoulder pain intensity during the week leading up to the Screening Visit. 6\. Able and willing to comply with the protocol. 7. Able to give voluntary informed consent prior to the performance of any study-specific procedures. Exclusion Criteria: 1. Contra-indications to the procedure (e.g. infection, coagulopathy) 2. History of active cancer within 5 years 3. Adhesive capsulitis 4. Prior history of regenerative medicine intervention 5. Glucocorticoid injection within the past four weeks 6. Any medical condition, including psychiatric illness, which would interfere with the interpretation of the study results or the conduct of the study