Edaravone and Dexborneol Sublingual Tablet for Treating Chemotherapy- Induced Cognitive Impairment Study

Chemotherapy-induced cognitive impairment (CICI), also known as "chemobrain," is a range of neurocognitive deficits experienced during and after cancer chemotherapy. It is also one of the significant factors affecting the quality of life of cancer patients. Due to patients' subjective feelings, the definition of cognitive impairment, the variety of testing scales, and the lack of pre-chemotherapy cognitive function measurements, it is difficult to determine its incidence rate. Consequently, the diagnosis and treatment of this condition are delayed. Existing studies report a high incidence of CICI, affecting 17% to 78% of survivors, and it may persist for years after chemotherapy cessation, leading to more severe progressive manifestations. Its main clinical presentations include deficits in attention, memory, reasoning, multi-tasking ability, decision-making ability, as well as learning and language impairments. These significantly affect patients' functional independence, imposing a heavy burden on families and society. Numerous studies have proposed several potential mechanisms and etiologies for CICI, including direct neurotoxicity of chemotherapeutic drugs, blood-brain barrier disruption, reduced hippocampal neurogenesis, white matter abnormalities, secondary neuroinflammatory responses, and increased oxidative stress. However, the exact underlying mechanisms remain unclear. Currently, there is no clear and effective diagnosis or treatment method for CICI. How to effectiv…

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chuansheng zhao  ·  +86-13940369251  ·  cszhao@cmu.edu.cn

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