Cara Therapeutics, Inc. operates as a biopharmaceutical company that focuses on developing and commercializing therapeutics treatment of chronic pruritus in the United States. The company’s lead product is KORSUVA (difelikefalin) injection for the treatment of moderate-to-severe pruritus associated with chronic kidney disease (CKD) in adults undergoing hemodialysis. It also develops Oral difelikefalin, which is in Phase II/III clinical trial to treat chronic pruritus with notalgia paresthetica.