Using C-X-C chemokine receptor type 4 (CXCR4) antagonists as cell mobilization agents has resulted in some FDA approved agents, such as Plerixafor, for hematopoietic stem cell transplantation and neutropenia. Oral cell mobilizers could result in using them in conditions such as sickle-cell disease (SCD) and chronic neutropenia. Emory University has developed and presented data for their CXCR4 antagonist EMU-116.