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Judd, Julia; Abdel Karim, Nagla; Khan, Hina; Naqash, Abdul Rafeh; Baca, Yasmine; Xiu, Joanne; VanderWalde, Ari M; Mamdani, Hirva; Raez, Luis E; Nagasaka, Misako; Pai, Sachin Gopalkrishna; Socinski, Mark A; Nieva, Jorge J; Kim, Chul; Wozniak, Antoinette J; Ikpeazu, Chukwuemeka; de Lima Lopes, Jr, Gilberto; Spira, Alexander I; Korn, W Michael; Kim, Edward S; Liu, Stephen V; Borghaei, Hossein
Molecular cancer therapeutics, 12/2021, Letnik: 20, Številka: 12Journal Article
is the most commonly mutated oncogene in NSCLC and development of direct KRAS inhibitors has renewed interest in this molecular variant. Different mutations may represent a unique biologic context with different prognostic and therapeutic impact. We sought to characterize genomic landscapes of advanced, -mutated non-small cell lung cancer (NSCLC) in a large national cohort to help guide future therapeutic development.Molecular profiles of 17,095 NSCLC specimens were obtained using DNA next-generation sequencing of 592 genes (Caris Life Sciences) and classified on the basis of presence and subtype of mutations. Co-occurring genomic alterations, tumor mutational burden (TMB), and PD-L1 expression 22C3, tumor proportion score (TPS) score were analyzed by mutation type.Across the cohort, 4,706 (27.5%) samples harbored a mutation. The most common subtype was G12C (40%), followed by G12V (19%) and G12D (15%). The prevalence of mutations was 37.2% among adenocarcinomas and 4.4% in squamous cell carcinomas. Rates of high TMB (≥10 mutations/Mb) and PD-L1 expression varied across mutation subtypes. G12C was the most likely to be PD-L1 positive (65.5% TPS ≥ 1%) and PD-L1 high (41.3% TPS ≥ 50%). was mutated in 8.6% of wild-type NSCLC but more frequent in -mutant NSCLC, with the highest rate in G13 (36.2%). mutations were more frequent in wild-type NSCLC (73.6%). mutation subtypes have different co-occurring mutations and a distinct genomic landscape. The clinical relevance of these differences in the context of specific therapeutic interventions warrants investigation.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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