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Updated: Sep 20, 2025

Identifying PD-1/PD-L1 Inhibitors with Surface Plasmon Resonance Technology
Published on: May 2, 2025
Current situation of programmed cell death protein 1/programmed cell death ligand 1 inhibitors in advanced
Yuehua Liang1, Xiaoran Liu1, Kun Li1
1Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Breast Oncology, Peking University Cancer Hospital & Institute, Beijing 100142, China.
Abstract:
Triple-negative breast cancer (TNBC) has the worst prognosis among all molecular types of breast cancer. Because of the strong immunogenicity of TNBC cells, programmed death 1/programmed death ligand 1 (PD-1/PD-L1) inhibitors, two kinds of immune checkpoint blockade agents, might help improve the prognosis of TNBC. However, how to better use PD-1/PD-L1 inhibitors and select patients who may benefit from treatment options remains controversial. This article summarizes published clinical studies in which PD-1/PD-L1 inhibitors were used in patients with advanced TNBC to explore how to maximize effectiveness of these medications.
Insights
Triple-negative breast cancer (TNBC) is aggressive. Programmed death 1/programmed death ligand 1 (PD-1/PD-L1) inhibitors show promise, but optimal use and patient selection for advanced TNBC remain under investigation to maximize treatment effectiveness.
Area of Science:
- Oncology
- Immunotherapy
Background:
- Triple-negative breast cancer (TNBC) presents the poorest prognosis among breast cancer subtypes.
- TNBC exhibits significant immunogenicity, suggesting potential therapeutic benefit from immune checkpoint inhibitors.
Purpose of the Study:
- To review and synthesize findings from clinical studies involving PD-1/PD-L1 inhibitors in advanced TNBC.
- To explore strategies for optimizing the use of PD-1/PD-L1 inhibitors and identifying patient subgroups who may benefit most.
Main Methods:
- Systematic review of published clinical trials.
- Analysis of studies utilizing PD-1/PD-L1 inhibitors for advanced TNBC treatment.
Main Results:
- PD-1/PD-L1 inhibitors are being investigated for their potential to improve TNBC outcomes.
- Current data highlight ongoing research into maximizing the efficacy of these immunotherapies.
- Patient selection criteria and optimal treatment regimens are areas of active clinical debate.
Conclusions:
- Further research is needed to establish definitive guidelines for PD-1/PD-L1 inhibitor therapy in advanced TNBC.
- Identifying predictive biomarkers and refining treatment strategies are crucial for improving patient prognosis.
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