Opinion
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Panelists discuss how PD-L1 expression levels significantly impact treatment decisions in unresectable early-stage non–small cell lung cancer (NSCLC), with consensus that biomarker status should be evaluated before finalizing treatment approaches.
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PD-L1 Status in Treatment Decisions for Unresectable Early-Stage NSCLC
Role of PD-L1 Status in Unresectable Early-Stage Disease
PD-L1 expression serves as a significant biomarker that guides immunotherapy decisions in unresectable early stage NSCLC. Higher PD-L1 expression levels (≥1%) are associated with improved response to immune checkpoint inhibitors, particularly when combined with standard chemoradiation approaches. The magnitude of benefit from immunotherapy appears to correlate with PD-L1 expression levels.
Treatment Approach for Unresectable Early-Stage NSCLC with PD-L1 <1%
For patients with unresectable early-stage NSCLC exhibiting low or negative PD-L1 expression (<1%), the recommended treatment approach includes:
This approach recognizes that while PD-L1 status is important for predicting immunotherapy benefit, other factors including disease burden, patient characteristics, and alternative biomarkers should be considered when making treatment decisions for this challenging patient population.