New England Journal of Medicine · 2019 · 348 citations · 18 references
Patients treated with difelikefalin had a significant reduction in itch intensity and improved itch-related quality of life as compared with those who received placebo. (Funded by Cara Therapeutics; KALM-1 ClinicalTrials.gov number, NCT03422653.).
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Modification of Sample Size in Group Sequential Clinical Trials
Lu Cui, H. M. James Hung, Sue‐Jane Wang · Biometrics · 1999 · 554 citations
N.Q. Phan, Christine Blome, Fleur Fritz et al. · Acta Dermato Venereologica · 2012 · 548 citations · Full text
Reliability, Numerical Rating Scale, Reliability Analysis +9