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Updated: May 1, 2026

Monitoring PD-1-Blocking Antibodies Bound to T Cells Derived from a Drop of Peripheral Blood
Published on: February 5, 2020
Immunologic and clinical effects of targeting PD-1 in lung cancer
1Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, Georgia, USA.
Abstract:
Therapeutic antibodies that block the programmed cell death protein-1 (PD-1) immune checkpoint pathway prevent T-cell downregulation and promote immune responses against cancer. Several PD-1 pathway inhibitors have shown robust activity in initial trials. This article reviews the preclinical evidence, rationale, and clinical pharmacology of blockade of PD-1 or its ligands as therapy for lung cancer and provides an overview of agents in development, clinical evidence to date, and implications for clinical application.
Insights
Blocking the programmed cell death protein-1 (PD-1) pathway with antibodies helps T-cells fight cancer. This review covers PD-1 inhibitors for lung cancer, including their development and clinical use.
Area of Science:
- Immunology
- Oncology
- Pharmacology
Background:
- The programmed cell death protein-1 (PD-1) pathway is a key immune checkpoint that regulates T-cell activity.
- Inhibiting the PD-1 pathway can restore anti-tumor immune responses, offering a promising strategy for cancer therapy.
Purpose of the Study:
- To review preclinical evidence and clinical pharmacology of PD-1 blockade for lung cancer.
- To provide an overview of PD-1 inhibitors in development and their clinical application in lung cancer.
Main Methods:
- Review of preclinical studies on PD-1 pathway inhibition.
- Analysis of clinical pharmacology of PD-1 and its ligands.
- Overview of agents in development and clinical trial data for lung cancer.
Main Results:
- PD-1 pathway inhibitors have demonstrated significant activity in initial clinical trials for lung cancer.
- Several therapeutic antibodies targeting PD-1 or its ligands are in various stages of development.
Conclusions:
- Blockade of the PD-1 pathway represents a significant advancement in lung cancer immunotherapy.
- Understanding the clinical pharmacology and ongoing development of PD-1 inhibitors is crucial for optimizing their application in lung cancer treatment.
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