Lack of Electrocardiographic Effects of Deucravacitinib in Healthy Subjects
Abstract
Deucravacitinib is a novel, oral, selective inhibitor of the intracellular signaling kinase tyrosine kinase 2. This phase 1, randomized, partially double-blind, 4-period crossover study in healthy adults was conducted to determine whether deucravacitinib 12 mg (therapeutic dose) or 36 mg (supratherapeutic dose) had a clinically relevant effect on the corrected QT interval and other electrocardiographic (ECG) parameters. Subjects received 1 of 4 sequences of placebo, deucravacitinib 12 mg, deucravacitinib 36 mg, and moxifloxacin 400 mg (positive control) in a randomized crossover fashion. The placebo-corrected change from baseline for the QT interval corrected for heart rate using the Fridericia method (QTcF), ECG parameters, and safety measures were evaluated. A clinically meaningful QTcF prolongation of >10 milliseconds was not found for deucravacitinib at tested doses. Assay sensitivity was demonstrated by the observation of known QT effects of moxifloxacin in the study. Deucravacitinib had no clinically relevant effect on other parameters and was generally well tolerated. The majority of adverse events (AEs) were mild, and all AEs resolved by study's end. Three treatment-related serious AEs of pharyngitis, cellulitis, and lymphadenopathy occurred in 1 subject following administration of deucravacitinib 12 mg, but resolved by end of study. This study demonstrated that a single oral dose of deucravacitinib 12 or 36 mg did not produce a clinically relevant effect on the…
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Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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