Human cell transplantation and neural stem cell trials have examined the feasibility and safety of these potential therapies for treatment of a variety of neurological disorders.

However, significant safety concerns have surrounded these trials due to the possibility of ectopic, uncontrolled cellular growth and tumor formation.

Autologous stem cell transplantation

see Stem cell therapy.

Cell transplantation with Autologous bone marrow mesenchymal stromal cells (MSCs) seems to be a therapeutic promise for patients with established spinal cord injury (SCI), achieving improvement in their quality of life.