Delivery strategies of cancer immunotherapy: recent advances and future perspectives

Author:

Zhao Zhongwei,Zheng Liyun,Chen Weiqian,Weng Wei,Song Jingjing,Ji Jiansong

Abstract

AbstractImmunotherapy has become an emerging strategy for the treatment of cancer. Immunotherapeutic drugs have been increasing for clinical treatment. Despite significant advances in immunotherapy, the clinical application of immunotherapy for cancer patients has some challenges associated with safety and efficacy, including autoimmune reactions, cytokine release syndrome, and vascular leak syndrome. Novel strategies, particularly improved delivery strategies, including nanoparticles, scaffolds, and hydrogels, are able to effectively target tumors and/or immune cells of interest, increase the accumulation of immunotherapies within the lesion, and reduce off-target effects. Here, we briefly describe five major types of cancer immunotherapy, including their clinical status, strengths, and weaknesses. Then, we introduce novel delivery strategies, such as nanoparticle-based delivery of immunotherapy, implantable scaffolds, injectable biomaterials for immunotherapy, and matrix-binding molecular conjugates, which can improve the efficacy and safety of immunotherapies. Also, the limitations of novel delivery strategies and challenges of clinical translation are discussed.

Funder

National Natural Science Foundation of China

Key Research and Development Project of Zhejiang Province

Public Welfare Project of Zhejiang Province

Science and Technology Development Project of Lishui City

High-level Talent Project of Lishui City

Publisher

Springer Science and Business Media LLC

Subject

Cancer Research,Oncology,Molecular Biology,Hematology

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