We examined changes in CTC numbers and morphology early after targeting therapy in EGFR-mutated PC-9 human lung cancer and HER2-gene amplified GLM-1 gastric cancer mouse CTC models using a cytology-based semi-automated CTC detection platform.
The excellent pharmacokinetic profiles of 19a in mice and rats led us to further investigation of a novel therapeutic agent for HER-2-targeting treatment of solid tumors, especially HER-2-positive breast/gastric cancer and HER-2-mutated lung cancer.
As discoveries of targeted drugs for stage IV patients accelerate-prompting routine testing for ALK, ROS1, RET, BRAF V600E, and HER2, among others-there is an argument that all lung cancers should be genotyped for the purpose of classification, regardless of stage of disease.
To explore these associations, Memorial Sloan Kettering Cancer Center and the University of Colorado combined their data on HER2 alterations in lung cancers.
Herein, the authors describe the prevalence, clinical features, and outcomes associated with HER2 mutations in 1007 patients in the Lung Cancer Mutation Consortium (LCMC).
The Lung Cancer Mutation Consortium (LCMC) is a multi-institutional effort to identify and treat oncogenic driver events in patients with lung adenocarcinomas.<b>Experimental Design:</b> Sixteen U.S. institutions enrolled 1,367 patients with lung cancer in LCMC2; 904 were deemed eligible and had at least one of 14 cancer-related genes profiled using validated methods including genotyping, massively parallel sequencing, and IHC.<b>Results:</b> The use of targeted therapies in patients with <i>EGFR, ERBB2,</i> or <i>BRAF</i> p.V600E mutations, <i>ALK, ROS1</i>, or <i>RET</i> rearrangements, or <i>MET</i> amplification was associated with a survival increment of 1.5 years compared with those with such mutations not receiving targeted therapy, and 1.0 year compared with those lacking a targetable driver.
Combination of In Silico Analysis and In Vitro Assay to Investigate Drug Response to Human Epidermal Growth Factor Receptor 2 Mutations in Lung Cancer.
EGFR and HER2 mutations and ALK rearrangement are known to be related to lung cancer in never-smokers, while KRAS, BRAF and PIK3CA mutations are typically observed among smokers.
Additionally, PF00299804 is a highly effective inhibitor of both the wild-type ERBB2 and the gefitinib-resistant oncogenic ERBB2 mutation identified in lung cancers.