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Risk of Dementia in Older Patients with Type 2 Diabetes on Dipeptidyl-Peptidase IV Inhibitors Versus Sulfonylureas: A Real-World Population-Based Cohort Study

Authors
Kim, YG | Jeon, JY  | Kim, HJ  | Kim, DJ  | Lee, KW  | Moon, SY  | Han, SJ
Citation
Journal of clinical medicine, 8(1). : 28-28, 2019
Journal Title
Journal of clinical medicine
ISSN
2077-0383
Abstract
BACKGROUND: Type 2 diabetes is related to an increased risk of dementia. Preclinical studies of dipeptidyl peptidase-IV inhibitors (DPP-4i) for dementia have yielded promising results. Therefore, we investigated the risk of dementia in elderly patients with type 2 diabetes on DPP-4is and sulfonylureas (SU).
METHODS: Using a claims database called the Korean National Health Insurance Service Senior cohort, new users of DPP-4is and SUs were matched by 1:1 propensity score matching using 49 confounding variables (7552 new DPP-4is users and 7552 new SU users were matched by 1:1 propensity score matching: average age 75.4: mean follow-up period: 1361.9 days). Survival analysis was performed to estimate the risk of dementia.
RESULTS: The risk of all-cause dementia was lower in the DPP-4i group compared to the SU group (hazard ratio (HR) 0.66: 95% confidence interval (CI) 0.56(-)0.78: p < 0.001). Particularly, DPP-4i use showed a significantly lower risk of Alzheimer's disease (HR 0.64: 95% CI 0.52(-)0.79: p < 0.001) and a lower risk, albeit non-significant, of vascular dementia compared to SU use (HR 0.66: 95% CI 0.38(-)1.14: p = 0.139).
CONCLUSION: Our findings suggest that DPP-4i use decreases the risk of dementia compared to SU use in elderly patients with type 2 diabetes in a real-world clinical setting.
Keywords
DOI
10.3390/jcm8010028
PMID
30597861
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Endocrinology & Metabolism
Journal Papers > School of Medicine / Graduate School of Medicine > Neurology
Ajou Authors
김, 대중  |  김, 혜진  |  문, 소영  |  이, 관우  |  전, 자영  |  한, 승진
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