Genomic features of lung cancer patients in Indonesia’s national cancer center

Arif Riswahyudi Hanafi, Muhammad Alfin Hanif, Mariska T.G. Pangaribuan, Wily Pandu Ariawan, Noorwati Sutandyo, Sri Agustini Kurniawati, Lyana Setiawan, Dian Cahyanti, Farilaila Rayhani, Priscillia Imelda

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: Advances in molecular biology bring advantages to lung cancer management. Moreover, high-throughput molecular tests are currently useful for revealing genetic variations among lung cancer patients. We investigated the genomics profile of the lung cancer patients at the National Cancer Centre of Indonesia. Methods: A retrospective study enrolled 627 tissue biopsy samples using real time polymerase chain reaction (RT-PCR) and 80 circulating tumour DNA (ctDNA) liquid biopsy samples using next-generation sequencing (NGS) from lung cancer patients admitted to the Dharmais Cancer Hospital from January 2018 to December 2022. Data were obtained from medical records. Data statistically analysed with p < 0.05 is considered significant. Result: The EGFR test results revealed by RT-PCR were wild type (51.5%), single variant (38.8%), double variant (8.3%), and triple variant (1.4%), with 18.66% L85R, 18.22% Ex19del, and 11.08% L861Q variant. Liquid biopsy ctDNA using NGS showed only 2.5% EGFR wild type, 62.5% single variant and 35% co-variant, with EGFR/TP53 and EGFR/PIK3CA as the highest. Conclusion: EGFR variants are the most found in our centre. Liquid biopsy with ctDNA using NGS examination could detect broad variants and co-variants that will influence the treatment planning.

Original languageEnglish
Article number43
JournalBMC Pulmonary Medicine
Volume24
Issue number1
DOIs
Publication statusPublished - Dec 2024

Keywords

  • Co-variant
  • ctDNA
  • Lung cancer
  • Molecular profile
  • NGS

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