Study of Human Central Nervous System (CNS) Stem Cell Transplantation in Cervical Spinal Cord Injury

Inclusion Criteria: * Male or female subjects age 18 to 60 years. * Traumatic cervical spinal cord injury (cSCI) with C5-C7 motor levels according to the International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) as determined by the Investigator. * American Spinal Injury Association Impairment Scale (AIS) Grades B or C * Minimum of 12 weeks post-injury prior to Screening Exclusion Criteria: * History of penetrating SCI. * MRI evidence of complete spinal cord interruption . * Evidence of spinal instability, stenosis and/or persistent cord compression related to the initial trauma. * Prior participation in another investigational study within 90 days prior to Screening. * Previous organ, tissue, bone marrow transplantation, or gene transfer * History of malignancy (except non-melanoma skin cancers) that require(d) radiation and/or chemotherapy