Gastric Cancer Clinical Trial
Official title:
Human HER2-targeted Chimeric Antigen Receptor Macrophages Therapy for HER2-positive Advanced Gastric Cancer With Peritoneal Metastases: an Exploratory Clinical Trial
The goal of this exploratory clinical trial is to evaluate the safety and efficacy of human anti-human epidermal growth factor receptor 2(HER2) Chimeric antigen receptor macrophage cells (CAR-M) in advanced HER2+ gastric cancer. Participants will mobilize bone marrow stem cells and engineer autologous macrophages to express Chimeric antigen receptor (CAR), and CAR-M will be infused intraperitoneally back into the patient for systemic anti-tumor effects.
The standard approach for managing advanced peritoneal metastatic gastric cancer typically involves systemic administration of antitumor drugs. In the case of HER2-positive gastric cancer patients, a combination of trastuzumab, platinum, and fluorouracil chemotherapeutic agents is commonly employed. Nevertheless, conventional therapy encounters obstacles stemming from tumor heterogeneity and the intricate microenvironment. The self-developed humanized anti-HER2 chimeric antigen receptor macrophage (human anti-HER2 CAR-M) uses an adenoviral vector system to genetically engineer autologous macrophages to express CAR molecules containing single-chain antibodies, which specifically bind to human HER2 antigens to recognize and kill tumor cells. Cell and animal experiments as well as preclinical trials showed that anti-human HER2 CAR M cells have significant anti-tumor efficacy and good safety. This study can provide abundant clinical data for the safety and feasibility of CAR macrophage therapy for solid tumors, and promote the progress of CAR macrophage therapy for solid tumors. ;
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