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Negative / Null Result ReportOpen accessDiseases of the endocrine glands. Clinical endocrinology

Effects of short‐term tofogliflozin treatment on the insulin secretory capacity of people with type 2 diabetes: A randomized controlled trial, the TOP‐ELM study

Maiko Miyamoto; Aika Miya; Akinobu Nakamura; Yuka Takahashi; Yuki Yamauchi; Shingo Yanagiya; Takahiro Takase; Mayuko Ono · 2026 · Journal of Diabetes Investigation

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract

ABSTRACT Aims/Introduction We aimed to explore the short‐term effects of tofogliflozin on the insulin secretory capacity of people with type 2 diabetes. Materials and Methods We performed a multicenter, prospective, randomized, active‐controlled, open‐label, parallel‐group comparison study of people with type 2 diabetes aged 20–89 years, with hemoglobin A1c (HbA1c) 6.5%–9.0%, not previously treated with antihyperglycemic agents. The participants were randomly assigned to a group that received 20 mg tofogliflozin per day or a group that received 500 mg metformin per day for 4 weeks. Fasting blo

Abstract by Maiko Miyamoto; Aika Miya; Akinobu Nakamura; Yuka Takahashi; Yuki Yamauchi; Shingo Yanagiya; Takahiro Takase; Mayuko Ono, Journal of Diabetes Investigation (2026) — licensed CC BY 4.0.

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Metadata source: DOAJ · DOI 10.1111/jdi.70245