NEEDHAM, Mass.--(BUSINESS WIRE)--Celldex Therapeutics, Inc. (Nasdaq: CLDX) will host a conference call at 4:30 P.M. Eastern Time on Wednesday, May 23, 2012 to announce interim, topline results of the Phase 2b EMERGE study of CDX-011 in patients with advanced breast cancer. Linda Vahdat, MD, Professor of Medicine, Chief of Solid Tumor Service and Director of the Breast Cancer Research Program at Weill Cornell Medical College and the lead investigator of the EMERGE study, will join Celldex management on the webcast to discuss data from the study.