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There is a small amount of clinical data regarding the safety and feasibility of autologous peripheral blood mononuclear cell transplantation into the subarachnoid space for the treatment of amyotrophic lateral sclerosis.The objectives of this retrospective study were to assess the safety and efficacy of peripheral blood mononuclear cell transplantation in 14 amyotrophic lateral sclerosis patients to provide more objective data for future clinical trials.After stem cell mobilization and collection,autologous peripheral blood mononuclear cells(1 × 109) were isolated and directly transplanted into the subarachnoid space of amyotrophic lateral sclerosis patients.The primary outcome measure was incidence of adverse events.Secondary outcome measures were electromyography 1 week before operation and 4 weeks after operation,Functional Independence Measurement,Berg Balance Scale,and Dysarthria Assessment Scale 1 week preoperatively and 1,2,4 and 12 weeks postoperatively.There was no immediate or delayed transplant-related cytotoxicity.The number of leukocytes,serum alanine aminotransferase and creatinine levels,and body temperature were within the normal ranges.Radiographic evaluation showed no serious transplant-related adverse events.Muscle strength grade,results of Functional Independence Measurement,Berg Balance Scale,and Dysarthria Assessment Scale were not significantly different before and after treatment.These findings suggest that peripheral blood mononuclear cell transplantation into the subarachnoid space for the treatment of amyotrophic lateral sclerosis is safe,but its therapeutic effect is not remarkable.Thus,a large-sample investigation is needed to assess its efficacy further.
There is a small amount of clinical data regarding the safety and feasibility of autologous peripheral blood mononuclear cell transplantation into the subarachnoid space for the treatment of amyotrophic lateral sclerosis. These objectives of this retrospective study were to assess the safety and efficacy of peripheral blood mononuclear cell transplantation in 14 amyotrophic lateral sclerosis patients to provide more objective data for future clinical trials. After stem cell mobilization and collection, autologous peripheral blood mononuclear cells (1 × 109) were isolated and directly transplanted into the subarachnoid space of amyotrophic lateral sclerosis patients. primary outcome measure was incidence of adverse events. Secondary outcome measures were electromyography 1 week before operation and 4 weeks after operation, Functional Independence Measurement, Berg Balance Scale, and Dysarthria Assessment Scale 1 week preoperatively and 1,2,4 and 12 weeks postoperatively. There was no immediate or delayed transplant-related cytotoxicity. The number of leukocytes, serum alanine aminotransferase and creatinine levels, and body temperature were within the normal ranges.Radiographic evaluation showed no serious transplant-related adverse events. Muscle strength grade, results of Functional Independence Measurement, Berg Balance Scale, and Dysarthria Assessment Scale were not significantly different before and after treatment. These findings suggest that peripheral blood mononuclear cell transplantation into the subarachnoid space for the treatment of amyotrophic lateral sclerosis is safe, but its therapeutic effect is not remarkable. Thus, a large-sample investigation is needed to assess its efficacy further.