Immunotherapy in Advanced Non-small Cell Lung Cancer Patients: Ushering Chemotherapy Through the Checkpoint

Bushra Kanwal1, Sharmi Biswas2, Robert S Seminara3

  • 1Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC, USA.

Cureus
|November 13, 2018
PubMed

Insights

Immunotherapy targeting immune checkpoints shows promise for non-small cell lung cancer (NSCLC). Combining immunotherapy with chemotherapy may improve outcomes for various patient subgroups, warranting further large-scale trials.

Area of Science:

  • Oncology
  • Immunology

Background:

  • Immunotherapy has shown moderate success in cancer treatment over decades.
  • Immune checkpoint inhibitors are effective in various tumors, including metastatic non-small cell lung cancer (NSCLC).
  • Current response rates for immune checkpoint inhibitors in metastatic NSCLC are below 20%, necessitating combination therapies.

Purpose of the Study:

  • To review the potential clinical benefits of immunotherapy alone or in combination with chemotherapy in NSCLC.
  • To explore the role of chemotherapy as a partner treatment to enhance antitumor immune activity.

Main Methods:

  • Review of existing primary research and clinical trial data.
  • Analysis of immunotherapy and chemotherapy combination protocols for different NSCLC patient subgroups.

Main Results:

  • Immune checkpoint inhibitors offer long-lasting responses in a subset of metastatic NSCLC patients.
  • Chemotherapy can modulate the immune response, potentially enhancing immunotherapy efficacy.
  • Preliminary studies show promising results for combining immunotherapy and chemotherapy in metastatic NSCLC.

Conclusions:

  • Combinational treatment protocols are needed to improve response rates in NSCLC.
  • Further large-scale trials are required to validate the efficacy of immunotherapy combined with chemotherapy.
  • Immunotherapy holds appeal for both metastatic and nonmetastatic NSCLC cases.

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