GAD+ Autoimmune Cerebellar Ataxia Following COVID-19 Vaccination: A Case Report and Therapeutic Approach

instability, clumsiness, disabling tremor, dysarthria, swallowing difficulties and a significant loss of autonomy. He showed severe impairment on the Scale for the Assessment and Rating of Ataxia (SARA) and a significant decline in activities of daily living (ADLs). Combined stem cell and exosome therapy is a novel approach for the treatment of IMCA. By leveraging the immunomodulatory and neuromodulatory properties of these therapies, meaningful clinical improvements were achieved in this patient. These findings present this therapy as a promising approach to treat this condition. Keywords: Cerebellar ataxias (CAs). Exosomes. Immune-mediated cerebellar ataxia (IMCA). Immunomodulation. Stem cells.