High concordance of protein (by IHC), gene (by FISH; HER2 only), and microarray readout (by TargetPrint) of ER, PgR, and HER2: results from the EORTC 10041/BIG 03-04 MINDACT trial.

Publication Name: Annals of Oncology

Author(s): Viale G, Slaets L, Bogaerts J, Rutgers E, van't Veer L, Piccart-Gebhart MJ, de Snoo FA, Stork-Sloots L, Russo L, Dell'Orto P, van den Akker J, Glas A, Cardoso F; TRANSBIG Consortium & the MINDACT Investigators.

BACKGROUND: To investigate the correlation of TargetPrint with local and central immunohistochemistry/fluorescence in situ hybridization assessment of estrogen (ER), progesterone (PgR), and human epidermal growth factor receptor 2 (HER2) in the first 800 patients enrolled in the MINDACT trial. PATIENTS … Continued

Microarray-Based Determination of Estrogen Receptor, Progesterone Receptor, and HER2 Receptor Status in Breast Cancer

Publication Name: Clinical Cancer Research

Author(s): Paul Roepman, Hugo M. Horlings, Oscar Krijgsman, Marleen Kok, Jolien M. Bueno-de-Mesquita, Richard Bender, Sabine C. Linn, Annuska M. Glas and Marc J. van de Vijver

Purpose: The level of estrogen receptor (ER), progesterone receptor (PR), and HER2 aids in the determination of prognosis and treatment of breast cancer. Immunohistochemistry is currently the predominant method for assessment, but differences in methods and interpretation can substantially affect … Continued