Crizotinib resistance conferred by BRAF V600E mutation in non-small cell lung cancer harboring an oncogenic ROS1 fusion

Cancer Treat Res Commun. 2021:27:100377. doi: 10.1016/j.ctarc.2021.100377. Epub 2021 Apr 20.

Abstract

Non-small cell lung cancer (NSCLC) patients with oncogenic ROS1 rearrangements would inevitably develop drug resistance and disease progression after receiving targeted oncogene therapy. Here, we present a metastatic lung adenocarcinoma patient harboring a CD74-ROS1 fusion who initially responded to crizotinib and then developed resistance after acquiring a rarely reported BRAF V600E mutation.

Keywords: BRAF; Crizotinib; ROS1; Resistance.

Publication types

  • Case Reports

MeSH terms

  • Antigens, Differentiation, B-Lymphocyte / genetics
  • Antineoplastic Agents / therapeutic use*
  • Carcinoma, Non-Small-Cell Lung / drug therapy
  • Carcinoma, Non-Small-Cell Lung / genetics*
  • Crizotinib / therapeutic use*
  • Drug Resistance, Neoplasm / genetics*
  • Female
  • Histocompatibility Antigens Class II / genetics
  • Humans
  • Lung Neoplasms / drug therapy
  • Lung Neoplasms / genetics*
  • Middle Aged
  • Mutation
  • Oncogene Proteins, Fusion / genetics
  • Protein-Tyrosine Kinases / genetics
  • Proto-Oncogene Proteins / genetics
  • Proto-Oncogene Proteins B-raf / genetics*

Substances

  • Antigens, Differentiation, B-Lymphocyte
  • Antineoplastic Agents
  • Histocompatibility Antigens Class II
  • Oncogene Proteins, Fusion
  • Proto-Oncogene Proteins
  • invariant chain
  • Crizotinib
  • Protein-Tyrosine Kinases
  • ROS1 protein, human
  • BRAF protein, human
  • Proto-Oncogene Proteins B-raf