ArticleCurrent therapeutic research, clinical and experimental2022
Dasiglucagon Effects on QTc in Healthy Volunteers: A Randomized, Placebo-Controlled, Dose-Escalation, Double-Blind Study.
Article in Current therapeutic research, clinical and experimental, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03735225 (A Randomized, Double-blind, Placebo-controlled, Doseescalation Trial to Evaluate the Safety and Tolerability of a Single IV Administration of Dasiglucagon and the Bioavailability of Dasiglucagon Following SC Compared to IV Administration in Healthy Subjects), which is not on this map. Not yet cited in PubMed.
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A Randomized, Double-blind, Placebo-controlled, Doseescalation Trial to Evaluate the Safety and Tolerability of a Single IV Administration of Dasiglucagon and the Bioavailability of Dasiglucagon Following SC Compared to IV Administration in Healthy Subjects
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6 authors at 2 institutions in 2 countries.
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Abstract
Background: Dasiglucagon is a novel glucagon analog that is stable in aqueous formulation and approved for use in severe hypoglycemia. Concentration QTc analyses are critical for assessing risk of drug-induced QTc prolongation and potential for fatal cardiac arrhythmias such as torsades de pointes. Objective: The aim of this study was to determine whether dasiglucagon treatment resulted in any clinically relevant effect on cardiac repolarization in healthy volunteers. Methods: This double-blind, placebo-controlled, dose-escalation Phase I trial was conducted at a single center in Germany between November 2018 and June 2019. Sixty healthy volunteers aged 18 to 45 years were randomized within dose cohorts to receive intravenous dasiglucagon, intravenous placebo, or subcutaneous dasiglucagon. In the intravenous administration cohorts, doses ranged from 0.03 mg to 1.5 mg. The subcutaneous administration cohort received the approved 0.6 mg dose. In the intravenous administration cohorts, serial electrocardiograms were extracted from continuous Holter monitors at prespecified time points beginning the day before dosing and through 24 hours postdose. Heart rate, PR interval, and QRS duration were evaluated. Concentration-QT analyses corrected by Fridericia's formula (QTcF) were performed using both a linear mixed-effects and a maximum estimated effect (E Results: At the doses studied, dasiglucagon did not have any clinically relevant effect on heart rate, PR interval, or QRS duration. A minor prolongation of the QTcF interval was observed without any clear dose or concentration dependency. Both the linear and E Conclusions: Dasiglucagon does not cause clinically relevant QTc prolongation in concentrations up to ≈30,000 pmol/L, a level 5-fold higher than the highest observed plasma concentrations in clinical trials investigating use of the approved 0.6 mg SC dose. ClinicalTrials.gov Identifier: NCT03735225; EudraCT identifier: 2018-002025-32. (
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