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Versatile PLGA-Based Drug Delivery Systems for Tumor Immunotherapy
Yishu Wang1,2, Xiaoming Hu1,2, Jinghui Wang3
1State Key Laboratory of Biopharmaceutical Preparation and Delivery, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
Tumor immunotherapy, which utilizes the immune system to fight cancer, represents a revolutionary method for cancer treatment. Poly (lactic-co-glycolic acid) (PLGA) copolymer has emerged as a promising material for tumor immunotherapy due to its biocompatibility, biodegradability, and versatility in drug delivery. By tuning the size, shape, and surface properties of PLGA-based systems, researchers have improved their ability to align with the requirements for diverse tumor immunotherapy modalities. In this review, the basic properties of the PLGA materials are first introduced and further the principal forms of the PLGA systems for controlled release are summarized and delivery applications are targeted. In addition, recent advances in the use of PLGA delivery systems are highlighted to enhance antitumor immune responses in terms of tumor vaccines, immunogenic cell death-mediated immune responses, tumor microenvironment modulation, and combination immunotherapies. Finally, prospects for the future research and clinical translation of PLGA materials are proposed.
Tumor immunotherapy, which utilizes the immune system to fight cancer, represents a revolutionary method for cancer treatment. Poly (lactic-co-glycolic acid) (PLGA) copolymer has emerged as a promising material for tumor immunotherapy due to its biocompatibility, biodegradability, and versatility in drug delivery. By tuning the size, shape, and surface properties of PLGA-based systems, researchers have improved their ability to align with the requirements for diverse tumor immunotherapy modalities. In this review, the basic properties of the PLGA materials are first introduced and further the principal forms of the PLGA systems for controlled release are summarized and delivery applications are targeted. In addition, recent advances in the use of PLGA delivery systems are highlighted to enhance antitumor immune responses in terms of tumor vaccines, immunogenic cell death-mediated immune responses, tumor microenvironment modulation, and combination immunotherapies. Finally, prospects for the future research and clinical translation of PLGA materials are proposed.
