| Recruiting | 3 | 167 | Europe | Temozolomide + Valproic Acid | University of Göttingen, Deutsche Kinderkrebsstiftung, Hannover Medical School | Glioblastoma WHO Grade IV, Diffuse Midline Glioma Histone 3 K27M WHO Grade IV, Anaplastic Astrocytoma WHO Grade III, Diffuse Intrinsic Pontine Glioma, Gliomatosis Cerebri | 12/23 | 12/23 | | |