TY - CONF AU - Valladares-Ayerbes, M. AU - Safont, M. J. AU - Gonzalez-Flores, E. AU - Garcia-Alfonso, P. AU - Aranda Aguilar, E. AU - Lopez-Munoz, A. M. AU - Cirera-Nogueras, L. AU - Falco-Ferrer, E. AU - Rodriguez-Salas, N AU - Aparicio, J. AU - Llanos, M. AU - Castillo-Trujillo, O.A. AU - Pimentel-Caceres, P. AU - Cruz-Hernandez, J. J. AU - Salgado-Fernandez. M. AU - Salud-Salvia, A. AU - Garcia-Carbonero, R. AU - Massuti-Sureda, B. AU - Vicente-Conesa, M. A. AU - Lloansi-Vila, A. PY - 2021 DO - 10.1016/j.annonc.2021.08.976 SN - 0923-7534 UR - https://hdl.handle.net/10668/25694 T2 - Annals of oncology AB - Tumor - tissue biopsy is the standard of care (SOC) to assess RAS & BRAF ms in mCRC pts. However, the analysis of circulating cfDNA has the advantage of evidencing genetic tumor heterogeneity. We explored the occurrence of KRAS, NRAS and BRAF... LA - en PB - Elsevier KW - Humans KW - Cell-Free Nucleic Acids KW - Standard of Care KW - Proto-Oncogene Proteins B-raf KW - Proto-Oncogene Proteins p21(ras) KW - Biopsy KW - Colorectal Neoplasms TI - Concordance of baseline RAS mutational status (ms) between tissue and cell-free DNA (cfDNA) and association with overall response rate (ORR) in first-line (1L) metastatic colorectal cancer (mCRC) patients (pts): PERSEIDA study (cohort 2) (NCT02792478) TY - conference output VL - 32 ER -