“Long-Term Safety and Efficacy of Difelikefalin in Subjects With Chronic Kidney Disease–Associated Pruritus: Analysis From KALM-1 and KALM-2”. SKIN The Journal of Cutaneous Medicine 5, no. 6 (November 5, 2021): s75. Accessed October 17, 2025. https://skin.dermsquared.com/skin/article/view/1426.