Celldex Announces Upcoming Data Presentation at the American Society of Hematology 54th Annual Meeting and Exposition

Celldex Announces Upcoming Data Presentation at the American Society of Hematology 54th Annual Meeting and Exposition

<0> Celldex Therapeutics, Inc.Sarah Cavanaugh, 781-433-3161Vice President of IR & Corp CommorBMC CommunicationsBrad Miles </0>

(NASDAQ: CLDX) today announced an upcoming data presentation at the American Society of Hematology 54th Annual Meeting and Exposition to be held in Atlanta, GA from December 8 through December 11, 2012. Results from a Phase 1 study of Celldex’s candidate CDX-301 will be presented in a poster session entitled “A Phase 1 Trial of the Hematopoietic Growth Factor CDX-301 (rhuFlt3L) in Healthy Volunteers” on Monday, December 10, 2012 from 6:00 pm to 8:00 pm ET.

CDX-301 or Flt3L is a potent hematopoietic cytokine that stimulates the expansion and differentiation of hematopoietic progenitor and stem cells. Flt3L has demonstrated a unique capacity to increase the number of circulating dendritic cells in both laboratory and clinical studies. In addition, Flt3L has shown impressive results in models of cancer, infectious diseases and inflammatory/autoimmune diseases. Celldex believes this ligand may hold significant opportunity for synergistic development in combination with other proprietary molecules in the Company’s portfolio.

Celldex Therapeutics is the first antibody-based combination immunotherapy company. Celldex has a pipeline of drug candidates in development for the treatment of cancer and other difficult-to-treat diseases based on its antibody focused Precision Targeted Immunotherapy (PTI) Platform. The PTI Platform is a complementary portfolio of monoclonal antibodies, antibody-targeted vaccines and immunomodulators used in optimal combinations to create novel disease-specific drug candidates. For more information, please visit .

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