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Long-term (52-week) efficacy and safety of ipragliflozin add-on therapy to insulin in Japanese patients with type 1 diabetes mellitus: An uncontrolled, open-label extension of a phase III study.


ABSTRACT: INTRODUCTION:The aim of the present study was to assess the long-term (52-week) efficacy and safety of ipragliflozin in insulin-treated Japanese patients with type 1 diabetes mellitus and inadequate glycemic control. MATERIALS AND METHODS:In this 28-week, open-label extension of a multicenter, randomized, placebo-controlled, 24-week phase III study, ipragliflozin recipients continued treatment (50 mg, once daily), and placebo recipients were switched to once-daily 50 mg ipragliflozin at the start of the extension period. The ipragliflozin dose could be increased to 100 mg if warranted. The primary end-point was change in glycated hemoglobin; secondary end-points were change in insulin dose and bodyweight. Safety outcomes were monitored as treatment-emergent adverse events. RESULTS:A total of 53 (placebo switched to ipragliflozin) and 108 (ipragliflozin) patients completed the open-label extension (treatment period 2), with 24 and 44 patients, respectively, receiving dose increases. From baseline to end of treatment, the overall mean change (standard deviation [SD]) in glycated hemoglobin was -0.33% (0.72; -3.7 mmol/mol [7.9]), with changes in basal, bolus and total insulin doses of -3.76 IU (SD 3.85 IU), -2.51 IU (SD 7.08 IU) and -6.27 IU (SD 8.16 IU), respectively. No serious drug-related treatment-emergent adverse events or deaths were reported. Treatment-emergent adverse events leading to study discontinuation occurred in zero and three (2.6%) patients in the placebo switched to ipragliflozin and ipragliflozin groups, respectively; all were considered drug-related. There were no cases of severe hypoglycemia or diabetic ketoacidosis, and no safety concerns related to dose increase. CONCLUSIONS:The efficacy and safety of 50 mg, once-daily ipragliflozin in insulin-treated type 1 diabetes mellitus patients were confirmed in this long-term, open-label extension study. No safety concerns were attributed to a dose increase to 100 mg.

SUBMITTER: Kaku K 

PROVIDER: S-EPMC7232286 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Long-term (52-week) efficacy and safety of ipragliflozin add-on therapy to insulin in Japanese patients with type 1 diabetes mellitus: An uncontrolled, open-label extension of a phase III study.

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

Journal of diabetes investigation 20200220 3


<h4>Introduction</h4>The aim of the present study was to assess the long-term (52-week) efficacy and safety of ipragliflozin in insulin-treated Japanese patients with type 1 diabetes mellitus and inadequate glycemic control.<h4>Materials and methods</h4>In this 28-week, open-label extension of a multicenter, randomized, placebo-controlled, 24-week phase III study, ipragliflozin recipients continued treatment (50 mg, once daily), and placebo recipients were switched to once-daily 50 mg ipragliflo  ...[more]

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