Zotiraciclib (also known as TG02 and SB1317) is an innovative small-molecule compound with potent inhibitory effects on CDK, JAK2, and FLT3. By inhibiting cyclin-dependent kinase 9 (CDK9) and depleting Myc, it serves as a treatment for cancers that can penetrate the blood-brain barrier. Zotiraciclib is one of the numerous CDK inhibitors under investigation; other compounds targeting CDK9, utilized for treating acute myeloid leukemia, include alvocidib and atuveciclib. Myc overexpression is a known factor in many cancers, with 80% of glioblastomas exhibiting this characteristic.