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Empagliflozin Induces Transient Diuresis Without Changing Long-Term Overall Fluid Balance in Japanese Patients With Type 2 Diabetes

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Yasui, Atsutaka, Lee, Ganghyuck, Hirase, Tetsuaki, Kaneko, Tatsuroh, Kaspers, Stefan, von Eynatten, Maximilian, Okamura, Tomoo·2018·Diabetes Therapy

Abstract

INTRODUCTION: Empagliflozin, a sodium glucose co-transporter 2 (SGLT2) inhibitor, ameliorates hyperglycemia in patients with type 2 diabetes (T2D) by inducing sustained glucosuria. Empagliflozin treatment was previously associated with a transient increase in 24-h urine volume in Caucasian patients with T2D, however comparable evidence in Japanese T2D individuals is scarce. We therefore assessed acute and chronic changes in 24-h urine volume and fluid intake with empagliflozin in Japanese patients with T2D. METHODS: In this randomized, double-blind, placebo-controlled, parallel-group, multiple-dose, 4-week trial, 100 Japanese patients with T2D were randomized to receive either 1, 5, 10, or 25 mg empagliflozin or placebo once-daily. Changes from baseline in 24-h urine volume and fluid intake were assessed at days 1, 27, and 28 after the initiation of empagliflozin. RESULTS: The 24-h urine volume and fluid intake were comparable across all treatment groups at baseline. Patients treated with either 10 or 25 mg empagliflozin (i.e., the licensed doses in Japan) showed a significant increase in 24-h urine volume compared to placebo at day 1 (mean change from baseline: + 0.83, + 1.08, and + 0.29 L/day in the empagliflozin 10 and 25 mg groups and the placebo group, respectively; both p < 0.001 vs. placebo). However, 24-h urine volume levels in the empagliflozin groups were comparable to placebo at day 27 and 28 (differences vs placebo < 0.1 L/day; p > 0.05). The 24-h fluid intake was comparable across all study groups throughout the entire study period. No events consistent with dehydration were reported during empagliflozin treatment. CONCLUSION: Treatment initiation with empagliflozin in Japanese patients with T2D was associated with transient diuresis; however, overall urine volume returned towards baseline levels within 4 weeks of treatment. These findings are consistent with a physiological, adaptive mechanism of the kidney to maintain overall body fluid balance in response to treatment initiation with a SGLT2 inhibitor. TRIAL REGISTRATION NUMBER: NCT00885118. FUNDING: Nippon Boehringer Ingelheim Co., Ltd.

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Authors
Yasui, A., Lee, G., Hirase, T., Kaneko, T., Kaspers, S., von Eynatten, M., & Okamura, T.
Affiliations
  • Boehringer Ingelheim (Japan) (JP)
  • Eli Lilly (Japan) (JP)
  • Boehringer Ingelheim (Germany) (DE)
Corresponding author
  • Yasui, Atsutaka
  • Okamura, Tomoo
Venue
Diabetes Therapy
Published
2018-02-27
Volume
9
Issue
2
Pages
863-871
ISSN
  • 1869-6953 (ISSN-L)
  • 1869-6961
OpenAlex
W2788464339
Cited by
75
References
12
Citations by year
2026: 4 · 2025: 5 · 2024: 15 · 2023: 11 · 2022: 12 · 2021: 9 · 2020: 13 · 2019: 4 · 2018: 2
FWCI
5.57
Type
journal article
Language
en
Open access
Locations
  • Diabetes Therapy (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
Nippon Boehringer Ingelheim Co., Ltd.
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Failure Treatment and Management
Keywords
empagliflozin, SGLT2 inhibitors, type 2 diabetes, diuresis, 24-hour urine volume, fluid intake, fluid balance, glycosuria, Japanese patients, dehydration risk, dose-response relationship, adverse drug reactions, hypokalemia, hypomagnesemia, hypocalcemia, hypoglycemia, hyperuricemia, hyperkalemia, drug discontinuation

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