Difelikefalin

A 2-part, Multicenter, Randomized, Double-blind Study to Evaluate the Efficacy and Safety of Oral Difelikefalin for Moderate-to-Severe Pruritus in Adult Subjects with Notalgia Paresthetica

Safety and Tolerability of Difelikefalin in Adolescents on Haemodialysis With Moderate-to-Severe Pruritus

Intermediate-Size Patient Population Expanded Access Program for Intravenous Difelikefalin