What lies within: Novel strategies in immunotherapy for non-small cell lung cancer

Patrick M. Forde, Kim A. Reiss, Amer M. Zeidan, Julie R. Brahmer

Research output: Contribution to journalArticle

Abstract

Introduction.Immunotherapy has become an increasingly important therapeutic strategy for those with cancer, withphase III studies demonstrating survival advantages in melanoma and castration-resistant prostate cancer. Non-small cell lung cancer (NSCLC) is a promising target for the next generation of immune-based strategies. In this article, we examine the current state of the art in lung cancer immunotherapy, including vaccines that specifically target lung tumor antigens and immune checkpoint antibodies such as antiprogrammed death 1 (anti-PD-1). Both approaches harness innate immunity against tumors by suppressing tumor-induced immune paresis. Methods. To identify relevant clinical trials of immunotherapy in NSCLC, PubMed and Medline databases were searched using the terms "immunotherapy" and "NSCLC," and several other therapy-specific search terms (e.g., PD-1, NSCLC). Additionally, abstracts presented at international lung cancer symposia, the American Society of Clinical Oncology annual meeting, and the European Society of Medical Oncology annual meeting between 2005 and 2013 were evaluated. Results. Large international phase III trials of NSCLC vaccines have completed accrual in both the adjuvant and metastatic disease settings. Results of the START study were disappointing, but results from other studies are still awaited. Immune checkpoint modulation has shown promise, with separate phase I studies of the anti-PD-1 antibody, nivolumab,andanti- PD-L1 antibody, MPDL3280A, demonstrating good tolerance and durable responses for certain patients with NSCLC who were heavily pretreated. Conclusions. Immune-based strategies have shown initial promise for early- and advanced-stage NSCLC. Validating these findings in randomized studies and discovering durable biomarkers of response represent the next challenges for investigation.

Original languageEnglish (US)
Pages (from-to)1203-1213
Number of pages11
JournalOncologist
Volume18
Issue number11
DOIs
StatePublished - Nov 18 2013

Keywords

  • CTLA4
  • Immune checkpoint
  • Immunotherapy
  • Lung cancer
  • NSCLC
  • PD-L1
  • PD1
  • Vaccine

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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