Cerulean Pharma, a clinical-stage company developing nanoparticle-drug conjugates (NDCs), announced that the U.S. Food and Drug Administration (FDA) granted Fast Track designation for Cerulean's lead nanoparticle-drug conjugate, CRLX101, in combination with paclitaxel, for the treatment of platinum-resistant ovarian carcinoma, fallopian tube or primary peritoneal cancer.