| Recruiting | N/A | 50 | Europe, Canada, US, RoW | Nonsurgical treatment, Surgical treatment | AO Foundation, AO Spine | Cervical Spinal Cord Injury | 05/26 | 08/27 | | |
| Recruiting | N/A | 1500 | Canada, US | No Treatment Given | Robert G. Grossman, MD, Christopher Reeve Paralysis Foundation, The Methodist Hospital Research Institute, The University of Texas Health Science Center, Houston, University of Virginia, University of Louisville, University of Toronto, University of Maryland, Baltimore, Walter Reed National Military Medical Center, Thomas Jefferson University, University of Miami, Brooke Army Medical Center, Louisiana State University Health Sciences Center in New Orleans, Vanderbilt University Medical Center, Medical College of Wisconsin, Duke University | Spinal Cord Injury | 07/25 | 07/28 | | |