Tomás Pascual, Aranzazu Fernandez-Martinez, Yash Agrawal, Adam D Pfefferle, Nuria Chic, Fara Brasó-Maristany, Blanca Gonzàlez-Farré, Laia Paré, Guillermo Villacampa, Cristina Saura, Cristina Hernando, Montserrat Muñoz, Patricia Galván, Xavier Gonzàlez-Farré, Mafalda Oliveira, Miguel Gil-Gil, Eva Ciruelos, Patricia Villagrasa, Joaquín Gavilá, Aleix Prat, Charles M Perou
In this study, we performed genomic analyses of cell cycle and tumor microenvironment changes during and after ribociclib and letrozole or chemotherapy in the CORALLEEN trial. 106 women with untreated PAM50-defined Luminal B early breast cancers were randomly assigned to receive neoadjuvant ribociclib and letrozole or standard-of-care chemotherapy. Ki67 immunohistochemistry, tumor-infiltrating lymphocytes quantification, and RNA sequencing were obtained from tissue biopsies pre-treatment, on day 14 of treatment, and tumor specimens from surgical resection...
March 6, 2024: NPJ Breast Cancer