Exicure Inc.’s buyout early this year of GPCR Therapeutics Inc. is paying off in a big way with data from the finished phase II trial testing burixafor (GPC-100). The agent is used with propranolol and granulocyte colony-stimulating factor to mobilize hematopoietic progenitor cells in patients with multiple myeloma (MM) undergoing autologous hematopoietic cell transplant.