A case of dramatic reduction in cancer-associated thrombus following initiation of pembrolizumab in patient with a poor performance status and PD-L1+ lung adenocarcinoma harboring CCDC6–RET fusion gene and NF1/TP53 mutations

Takamasa Nakasuka, Kadoaki Ohashi, Hiromi Watanabe, Toshio Kubo, Shingo Matsumoto, Koichi Goto, Katsuyuki Hotta, Yoshinobu Maeda, Katsuyuki Kiura

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: Pembrolizumab is a standard treatment for non-small cell lung cancer (NSCLC) with high-PD-L1 expression; however, its effect is dismal in patients with poor physical condition. Additionally, the effect of immunotherapy is generally limited in NSCLC harboring driver mutations such asEGFR, ALK, or RET gene aberrations. Results: We report the beneficial effect of pembrolizumab in a patient with poor performance status and PD-L1+ lung adenocarcinoma with theCCDC6–RET fusion gene and co-occurring NF1/TP53 mutations, complicated by multiple cancer-associated thrombi and respiratory failure. Conclusions: Further studies are warranted to establish the role of co-occurring NF1/TP53 mutations as a positive predictive biomarker for pembrolizumab in NSCLC harboring RET fusion genes.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalLung Cancer
Volume156
DOIs
Publication statusPublished - Jun 2021

ASJC Scopus subject areas

  • Oncology
  • Pulmonary and Respiratory Medicine
  • Cancer Research

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