Immunotherapy in Advanced NSCLC Without Driver Mutations: Available Therapeutic Alternatives After Progression and

Jose Luis Leal1, Thomas John2

  • 1Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.

Clinical Lung Cancer
|September 21, 2022
PubMed

Insights

Immune checkpoint inhibitors are now standard for non-small-cell lung cancer without drivers, but resistance and progression remain challenges. This review explores treatment options after progression and emerging therapies.

Area of Science:

  • Oncology
  • Immunotherapy
  • Cancer Research

Background:

  • Non-small-cell lung cancer (NSCLC) treatment has evolved, with immune checkpoint inhibitors (ICIs) becoming standard for tumors lacking oncogenic drivers.
  • ICIs show durable efficacy in a subset of NSCLC patients, often used as monotherapy or in combination with chemotherapy.
  • Treatment selection is complex due to a lack of head-to-head trials comparing different ICI strategies.

Purpose of the Study:

  • To review therapeutic alternatives for NSCLC patients progressing on ICIs.
  • To summarize mechanisms of resistance and patterns of progression to ICIs.
  • To describe novel approaches under clinical investigation for advanced NSCLC.

Main Methods:

  • Literature review of clinical trials and research studies.
  • Analysis of mechanisms of resistance to immune checkpoint inhibitors.
  • Summary of ongoing clinical investigations for post-progression NSCLC treatment.

Main Results:

  • Most NSCLC patients eventually progress despite advances in immunotherapy.
  • Limited randomized controlled data exists to guide management after ICI progression, representing a significant unmet need.
  • Understanding resistance mechanisms is crucial for developing effective subsequent therapies.

Conclusions:

  • Effective strategies are needed for NSCLC patients who progress after initial immunotherapy.
  • Further research and clinical trials are essential to address the unmet need in post-progression NSCLC management.
  • Investigational approaches hold promise for improving outcomes in this patient population.

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