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Clinical pharmacology study of ipragliflozin in Japanese patients with type 1 diabetes mellitus: A phase 2, randomized, placebo-controlled trial.


ABSTRACT: AIM:To evaluate the pharmacodynamics, pharmacokinetics, and safety of the novel oral sodium-glucose co-transporter-2 inhibitor, ipragliflozin, in Japanese patients with type 1 diabetes mellitus. MATERIALS AND METHODS:We conducted a multicentre, double-blind, placebo-controlled, parallel-group study. Patients were randomized to receive 25, 50, or 100?mg/day ipragliflozin or placebo for 2 weeks. Key pharmacokinetic endpoints included area under the concentration-time curve 24?hours postdose (AUC24h ), maximum plasma concentration (Cmax ), and renal clearance. Key pharmacodynamic endpoints included 24-hour urinary glucose excretion, mean plasma glucose AUC0-24h , and mean renal glucose clearance. Changes in total, basal, and bolus insulin dosages were recorded. Adverse events (AEs) were monitored for safety. RESULTS:Dose-dependent increases were observed in AUC24h and Cmax on days 1 and 14 for 25-, 50-, and 100-mg ipragliflozin. The mean plasma glucose AUC0-24h was lower than that of placebo and the mean renal glucose clearance increased in a dose-dependent manner from baseline, but remained unchanged in the placebo group. The mean (standard deviation) change from baseline in total daily insulin dose was greater in the ipragliflozin 25-, 50-, and 100-mg groups (-14.77?±?14.04%, -18.40?±?12.49% and?-19.25?±?16.77%, respectively), than placebo (-4.51?±?16.28%). Most AEs were mild in severity; no patients discontinued the study because of treatment-emergent AEs. CONCLUSIONS:The pharmacokinetic and pharmacodynamic properties of ipragliflozin in Japanese patients with type 1 diabetes mellitus were confirmed. Increases in urinary glucose excretion lead to dose-dependent decreases in plasma glucose. Concomitant insulin dose decreased with ipragliflozin treatment. No clinically relevant safety concerns were identified.

SUBMITTER: Kaku K 

PROVIDER: S-EPMC6594083 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Clinical pharmacology study of ipragliflozin in Japanese patients with type 1 diabetes mellitus: A phase 2, randomized, placebo-controlled trial.

Kaku Kohei K   Isaka Hiroyuki H   Toyoshima Junko J   Sakatani Taishi T  

Diabetes, obesity & metabolism 20190408 6


<h4>Aim</h4>To evaluate the pharmacodynamics, pharmacokinetics, and safety of the novel oral sodium-glucose co-transporter-2 inhibitor, ipragliflozin, in Japanese patients with type 1 diabetes mellitus.<h4>Materials and methods</h4>We conducted a multicentre, double-blind, placebo-controlled, parallel-group study. Patients were randomized to receive 25, 50, or 100 mg/day ipragliflozin or placebo for 2 weeks. Key pharmacokinetic endpoints included area under the concentration-time curve 24 hours  ...[more]

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