HAMPTON, N.J., Feb. 20, 2016 (GLOBE NEWSWIRE) — Celldex Therapeutics, Inc. (NASDAQ:CLDX) today presented new clinical data on CDX-301 (recombinant human Flt3 ligand), a potent hematopoietic cytokine that uniquely expands dendritic cells and hematopoietic stem cells. An open label, pilot study of CDX-301, alone and in combination with Mozobil (plerixafor), …