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Neoadjuvant immunotherapy based on PD-1/L1 inhibitors for gastrointestinal tumors: a review of the rationale and clinical advances.
Wang, Dong-Xu; Liu, Hui; Tian, Jin-Cheng; Zhang, Dao-Lin; Yan, Lun-Jie; Ding, Zi-Niu; Li, Han; Yan, Yu-Chuan; Dong, Zhao-Ru; Li, Tao.
Afiliación
  • Wang DX; Department of General Surgery, Qilu Hospital, Shandong University, Jinan, People's Republic of China.
Int J Surg ; 110(6): 3707-3722, 2024 Jun 01.
Article en En | MEDLINE | ID: mdl-38518083
ABSTRACT
The landscape of current tumor treatment has been revolutionized by the advent of immunotherapy based on PD-1/PD-L1 inhibitors. Leveraging its capacity to mobilize systemic antitumor immunity, which is primarily mediated by T cells, there is growing exploration and expansion of its potential value in various stages of clinical tumor treatment. Neoadjuvant immunotherapy induces a robust immune response against tumors prior to surgery, effectively facilitating tumor volume reduction, early eradication or suppression of tumor cell activity, and control of potential metastatic spread, to improve curative surgical resection rates, and prevent tumor recurrence. This review delineates the theoretical basis of neoadjuvant immunotherapy from preclinical research evidence, discusses specific challenges in clinical application, and provides a comprehensive overview of clinical research progress in neoadjuvant immunotherapy for gastrointestinal tumors. These findings suggest that neoadjuvant immunotherapy has the potential to ameliorate immunosuppressive states and enhance cytotoxic T cell function while preserving lymphatic drainage in the preoperative period. However, further investigations are needed on specific treatment regimens, suitable patient populations, and measurable endpoints. Despite numerous studies demonstrating the promising efficacy and manageable adverse events of neoadjuvant immunotherapy in gastrointestinal tumors, the availability of high-quality randomized controlled trials is limited, which highlights the necessity for further research.
Asunto(s)

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Terapia Neoadyuvante / Neoplasias Gastrointestinales / Inhibidores de Puntos de Control Inmunológico / Inmunoterapia Límite: Humans Idioma: En Revista: Int J Surg Año: 2024 Tipo del documento: Article

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Terapia Neoadyuvante / Neoplasias Gastrointestinales / Inhibidores de Puntos de Control Inmunológico / Inmunoterapia Límite: Humans Idioma: En Revista: Int J Surg Año: 2024 Tipo del documento: Article