ArticleDrug safety2026
Incretin-Based Drugs and the Risk of Dementia Among Patients with Type 2 Diabetes.
Article in Drug safety, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
The trial behind it
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.
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Who cites it
1 citing paper in PubMed.
- Glucose-Lowering Therapies and Cognitive Decline: From Molecular Mechanisms to Clinical Evidence and Future Perspectives.Advances in therapy · 2026Review
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Authors and funding
8 authors.
Funding
Abstract
backgroundIncretin-based drugs, namely glucagon-like peptide 1 receptor agonists (GLP-1 RAs) and dipeptidyl peptidase 4 (DPP-4) inhibitors, may have neuroprotective effects. Thus, we assessed whether these drugs are associated with a decreased risk of dementia among patients with type 2 diabetes.
methodsUsing the Clinical Practice Research Datalink from the UK, we formed two new user cohorts of patients at least 50 years of age with type 2 diabetes starting incretin-based drugs or sulfonylureas between 2007 and 2021. Hazard ratios (HRs) and 95% confidence intervals (CIs) for dementia were estimated separately for GLP-1 RAs and DPP-4 inhibitors using Cox proportional hazards models with propensity score fine-stratification weighting and inverse probability of censoring weights.
resultsAmong 275,144 initiators of DPP-4 inhibitors or sulfonylureas, followed for 750,846 person-years, DPP-4 inhibitors were associated with a reduced dementia risk compared with sulfonylureas (4.4 vs. 5.7 events per 1000 person-years; HR 0.77, 95% CI 0.71-0.85). HRs decreased with increasing cumulative duration of use and dose. Similar associations were observed across dementia subtypes and individual DPP-4 inhibitors molecules. Among 181,215 initiators of GLP-1 RAs or sulfonylureas, followed for 530,415 person-years, GLP-1 RAs were associated with a similar reduction in dementia risk compared with sulfonylureas, although with high uncertainty (2.3 vs. 3.1 events per 1000 person-years; HR 0.74, 95% CI 0.46-1.18). The magnitude of the association increased with cumulative duration of use and dose but with high uncertainty.
conclusionsIn this population-based study, DPP-4 inhibitors, and possibly GLP-1 RAs, were associated with a reduced dementia risk compared with sulfonylureas.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.