Trial reportDiabetes care2026
Empagliflozin in HNF1A-MODY (MODY3): A Randomized, Double-Blind, Placebo-Controlled, Crossover Trial.
Trial report in Diabetes care, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
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Authors and funding
12 authors.
Funding
Abstract
objectiveMaturity-onset diabetes of the young (MODY) caused by pathogenic variants in HNF1A is a common form of monogenic diabetes. Sulfonylurea drugs are considered first-line treatment of HNF1A-MODY (MODY3), but intensified treatment is often needed. HNF1A encodes a transcription factor involved in the regulation of the sodium-glucose cotransporter 2 (SGLT2). Accordingly, the glucose-lowering efficacy of SGLT2 inhibitors in HNF1A-MODY is questionable. Here, we assess the glucose-lowering effect of the SGLT2 inhibitor empagliflozin as an add-on for treatment of individuals with HNF1A-MODY. RESEARCH DESIGN AND
methodsMOD3ST-TRIAL was a randomized, double-blind, placebo-controlled crossover trial. Adults with HNF1A-MODY treated with at least one glucose-lowering drug were randomized to be treated with empagliflozin 25 mg for 4 weeks followed by a 2-week washout period and then received placebo for 4 weeks or the opposite sequence. The primary outcome was mean glucose concentration assessed by 10 days of continuous glucose monitoring (CGM).
resultsNineteen individuals were randomized and 18 participants (n = 10 women [56%]; median [Q1, Q3] HbA1c 7.5% [7.0, 8.4] or 58 [53, 68] mmol/mol, mean [SD] CGM glucose concentration 10.4 [2.5] mmol/L) completed the study. Compared with placebo, empagliflozin lowered the mean glucose level 2.3 mmol/L (95% CI 1.3 to 3.3; P = 0.0001). There were no significant differences in hypoglycemic outcomes. Adverse events were generally mild and transient, and no severe adverse events or study drug discontinuations were attributable to empagliflozin.
conclusionsEmpagliflozin used for 4 weeks in adjunction with other glucose-lowering treatments markedly improved glycemia compared with placebo in individuals with HNF1A-MODY without significantly increasing risk of hypoglycemia or unexpected adverse effects.
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