“…In most of the clinical trials presented in Tables 1-3, researchers reported that their clinical trials were safe without mortalities or severe morbidities related to either procedures or transplanted cells. However, there were some reported complications which were not associated with the procedures or applied cells : fever 4,40,59,64) , urinary tract infection 2,19,27,59) , abnormal blood profiles 2,27,40,45) , transient hypertension 26) , vomiting 4,19) , pulmonary thromboembolism 27) , and general body ache 4) . On the contrary, some complications including transient neuropathic pain 2,26,27,29,37,67) , transient deterioration in sensorimotor symptoms 29,37,44,64) , cerebrospinal f luid leakage 67) , subarachnoid hemorrhage 67) and subcutaneous seroma 67) , might be related to stem cell delivering procedures.…”