Pharmaceutical German drug major Merck KGaA )MRK: DE) revealed this morning that its Phase III EXPAND trial, which assessed Erbitux (cetuximab) in combination with cisplatin and capecitabine as a first-line treatment for patients with advanced gastric adenocarcinoma (AGA) including adenocarcinoma of the gastro-esophageal junction (GEJ), did not meet its primary endpoint of extending the length of time that patients live without their disease getting worse (progression-free survival - PFS), as determined by independent review. 5 July 2012