 ST.GALLEN, Switzerland STAMFORD, Conn.--BUSINESS WIRE--Regulatory News: Vifor Fresenius Medical Care Renal Pharma VFMCRP and Cara Therapeutics, Inc. Nasdaq: CARA today announced that the European Medicines Agency EMA accepted to review the Marketing Authorization Application MAA for difelikefalin injection for the treatment of pruritus associated with chronic kidney disease in hemodialysis patients. The EMA will review the application under the centralized marketing authorization pr 