High-Grade Astrocytoma is related to anaplastic astrocytoma and glial tumor. An important gene associated with High-Grade Astrocytoma is ATRX (ATRX Chromatin Remodeler), and among its related pathways/superpathways are Development IGF-1 receptor signaling and p53 Signaling. The drugs Temozolomide and Bevacizumab have been mentioned in the context of this disorder. Affiliated tissues include brain and spinal cord, and related phenotype is neoplasm.