The EORTC, BIG, and Agendia, a commercial-stage molecular cancer diagnostics company, today announced the completion of patient registration for the EORTC 10041/BIG3-04 MINDACT (Microarray In Node negative and 1-3 positive lymph node Disease may Avoid Chemotherapy Trial) study. More than 6,600 patients in 111 institutions across nine countries were enrolled from February 2007 to July 2011 in this trial.