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Diabetology

Diabetology is an international, peer-reviewed, open access journal on diabetes research published monthly online by MDPI.

Quartile Ranking JCR - Q3 (Endocrinology and Metabolism)

All Articles (344)

Background/Objectives: In populations with type 2 diabetes mellitus (T2DM), it is unknown whether the survival benefits of glucagon-like peptide-1 receptor agonists (GLP-1 RA) differ by estimated glomerular filtration rate (eGFR). To address this question and in the absence of definitive randomized controlled trials, we performed a retrospective observational study of US Veterans with T2DM to evaluate mortality hazard ratios associated with GLP-1 RA use at different eGFR levels. Methods: This administrative claims-based cohort included 1,188,052 U.S. Veterans with T2DM as of 1 January 2020. Initiation of GLP-1 RA was treated as a time-dependent variable and vital status of Veterans was followed until 31 December 2023. Results: A total of 31,676 Veterans met inclusion criteria. Over the study timeframe, 6.1% initiated treatment with GLP-1 RA and 57.7% died. Older age and eGFR < 15 mL/min/1.73 m2 were associated with a decreased likelihood of GLP-1 RA initiation. In contrast, younger age and lower comorbidity burden were associated with decreased mortality, a finding that persisted even after adjustment for several baseline covariates. Conclusions: Among those with T2DM and eGFR < 25 mL/min/1.73 m2, initiation of GLP-1 RA was associated with improved survival. This association remained significant with decreasing levels of kidney function, as well as among those receiving kidney replacement therapy (KRT). In conclusion, longer survival was observed both in participants on KRT and in those with eGFR 15–24 mL/min/1.73 m2 not on KRT, but these findings were not observed among those with eGFR ≤ 15 mL/min/1.73 m2.

9 December 2025

Forest plot for mortality hazards adjusted for all baseline characteristics (Model 2).
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9 December 2025

Aim: Assess transition readiness of adolescents with Type 1 Diabetes (T1D) from adolescent, parental, and clinician perspectives. Methods: Cross-sectional study (n = 36, 20 Male/16 Female, 16–18 years, June 2023–June 2024, metropolitan paediatric centre). Adolescents had diabetes knowledge, self-efficacy, and diabetes distress measured. Parents had an assessment of knowledge, diabetes-related distress, and estimated the adolescent’s self-efficacy. Clinicians estimated adolescent self-efficacy. Results: Median HbA1c was 7.4% (IQR 6.6–8.4). One adolescent met the guidelines for multidisciplinary team (MDT) appointments. Paired sample t-tests showed that adolescents’ knowledge was comparable to parent levels (t(24) = −1.69, p = 0.10). Adolescents’ knowledge was strongly associated with higher self-efficacy (r = 0.80 p < 0.001). Higher adolescent self-efficacy was associated with lower adolescent distress (r = −0.368, p = 0.03). Adolescent distress was lower than parent distress (t(24) = −3.13, p = 0.005). Although adolescent self-efficacy was strongly correlated with parent and clinician evaluation (r = 0.76, p < 0.001; r = 0.80, p < 0.001), adolescents reported higher self-efficacy than estimates by parents (t(24) = 4.76, p < 0.001) or clinicians (t(24) = 8.39, p < 0.001). Parent knowledge was moderately correlated with adolescent self-efficacy (r = 0.62, p = 0.001). Conclusions: Diabetes knowledge may confer greater self-efficacy and reduce diabetes distress in adolescents. Distress levels are higher in parents than in adolescents. Engagement with MDT is poor. Transition efforts should focus on parents and adolescents while increasing engagement with MDT.

8 December 2025

Objective: The aim was to characterize the real-world use of GLP-1 receptor agonists (GLP-1 RAs) and/or SGLT2 inhibitors in kidney transplant recipients (KTRs) with diabetes and to compare the clinical management, safety, and effectiveness between patients with type 2 diabetes mellitus (T2DM) and post-transplant diabetes mellitus (PTDM). Methods: This retrospective longitudinal cohort study included 141 adult KTRs (T2DM: 52; PTDM: 89) who initiated GLP-1 RA and/or SGLT2 inhibitor (SGLT2i) therapy between August 2013 and April 2024. Metabolic control, medication use, and safety outcomes were assessed from baseline to end follow-up, with a mean treatment exposure of 2.4 years. Results: Overall, 69% were treated with an SGLT2i and 59% with a GLP-1 RA; because the groups were not mutually exclusive, 28% received both agents. Treatment was associated with significant reductions in body weight (−3.38 kg; p < 0.001) and BMI (−1.28 kg/m2; p < 0.001) in both subgroups. HbA1c showed a non-significant overall decline (−0.31%; p = 0.21), with a greater reduction in the T2DM subgroup (−0.50%; p < 0.01). Significant improvements were also observed in lipid profile and blood pressure. Renal allograft function remained stable in both groups. The overall safety profile of the therapies was favorable, with mild urinary tract infections (18%) and manageable nausea (6%) reported in the entire cohort. No episodes of acute rejection or severe hypoglycemia occurred during the study period. Conclusions: In real-world practice, GLP-1 RAs and SGLT2is were associated with improved cardiometabolic parameters and stable renal function in KTRs, with a manageable safety profile. Similar effectiveness and safety across T2DM and PTDM support the use of these agents throughout the spectrum of diabetes in transplant recipients.

5 December 2025

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Risk of Type 2 Diabetes Mellitus
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Risk of Type 2 Diabetes Mellitus

Cardiorenometabolic Syndrome and Its Components
Editors: Andrej Belančić, Bojan Jelaković, Martina Matovinović
Feature Papers in Diabetology 2023
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Feature Papers in Diabetology 2023

Editors: Peter Clifton

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Diabetology - ISSN 2673-4540