Therapeutic options for advanced epidermal growth factor receptor (EGFR)-mutant non-small cell lung cancer: a

Xinmin Zeng1, Xuan Wan2, Jun Xu3

  • 1Department of Thoracic Surgery, Nanchang First Hospital, Nanchang 330008, China.

Aging
|April 24, 2020
PubMed

Insights

For advanced EGFR-mutant non-small cell lung cancer (NSCLC), osimertinib and erlotinib plus bevacizumab show promise for progression-free survival (PFS). Balancing efficacy and adverse events is key for treatment selection.

Area of Science:

  • Oncology
  • Pharmacology
  • Genomics

Background:

  • Advanced EGFR-mutant non-small cell lung cancer (NSCLC) presents challenges in treatment selection.
  • Identifying optimal therapies that balance efficacy and safety is crucial for patient outcomes.

Purpose of the Study:

  • To conduct a Bayesian network meta-analysis comparing various treatments for advanced EGFR-mutant NSCLC.
  • To rank individual treatments and medication classes based on progression-free survival (PFS) and overall survival (OS).
  • To evaluate treatment efficacy concerning specific EGFR genomic aberration statuses.

Main Methods:

  • A Bayesian network secondary analysis was performed on data from 41 eligible studies.
  • Treatments were compared for PFS and OS using hazard ratios (HR) and 95% credible intervals (CrI).
  • Analyses included evaluations of objective response rate (ORR), duration of response (DoR), and adverse events.

Main Results:

  • For PFS, osimertinib (Osi) and erlotinib (Erlo) + bevacizumab (Bev) were top-ranking individual treatments.
  • For OS, Osi, cetuximab (Cet) + Bev + platinum-based therapy (Plat), and cilengitide (Cil) + Cet + Plat showed high rankings.
  • Specific EGFR mutations (exon 19 deletion vs. exon 21 L858R) influenced the superiority of certain treatments like Erlo+Bev and Osi.

Conclusions:

  • Osimertinib, Erlo+Bev, and Erlo+Bev+Plat are recommended for advanced EGFR-mutant NSCLC, considering both PFS and OS, while monitoring adverse events.
  • Immunotherapy (IT) + anti-VEGFR (aVEGFR) + Plat shows potential but requires further clinical validation.
  • Treatment choice should be individualized based on specific EGFR mutation status and patient tolerance to adverse events.