Evidence mapPaperPMID 39716328Full record

SynthesisAlzheimer's research & therapy2024

Anti-diabetic agents and the risks of dementia in patients with type 2 diabetes: a systematic review and network meta-analysis of observational studies and randomized controlled trials.

Zonglin Li, Chu Lin, Xiaoling Cai, Fang Lv, Wenjia Yang, Linong Ji

Abstract readSystematic ReviewNetwork Meta-Analysis
In one paragraph

Synthesis in Alzheimer's research & therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Review
  5. Expanding the role of insulin resistance to the earliest phases of cognitive decline: Preliminary evidence.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Article
  6. Review
  7. Article
  8. Review
  9. Article
  10. Article
  11. Review
  12. Article
  13. Review
  14. Review
  15. Glucagon-like peptide-1 receptor agonists for major neurocognitive disorders.Journal of neurology, neurosurgery, and psychiatry · 2025
    Review
  16. Review
  17. Review
  18. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Zonglin LiDepartment of Endocrinology and Metabolism, Peking University People's Hospital, 100044 No.11 Xizhimen South Street, Xicheng District, Beijing China, 100044, People's Republic of China.ORCID 0000-0002-8949-9455
Chu LinDepartment of Endocrinology and Metabolism, Peking University People's Hospital, 100044 No.11 Xizhimen South Street, Xicheng District, Beijing China, 100044, People's Republic of China.ORCID 0000-0002-2365-9831
Xiaoling CaiDepartment of Endocrinology and Metabolism, Peking University People's Hospital, 100044 No.11 Xizhimen South Street, Xicheng District, Beijing China, 100044, People's Republic of China. dr_junel@sina.com.ORCID 0000-0002-7881-0543
Fang LvDepartment of Endocrinology and Metabolism, Peking University People's Hospital, 100044 No.11 Xizhimen South Street, Xicheng District, Beijing China, 100044, People's Republic of China.ORCID 0000-0002-1872-781X
Wenjia YangDepartment of Endocrinology and Metabolism, Peking University People's Hospital, 100044 No.11 Xizhimen South Street, Xicheng District, Beijing China, 100044, People's Republic of China.ORCID 0000-0003-0610-5121
Linong JiDepartment of Endocrinology and Metabolism, Peking University People's Hospital, 100044 No.11 Xizhimen South Street, Xicheng District, Beijing China, 100044, People's Republic of China. jiln@bjmu.edu.cn.ORCID 0000-0002-3262-2168

Funding

National Natural Science Foundation of China 81970698Natural Science Foundation of Beijing Municipality 7202216
6 · The paper itself

Abstract

objectiveTo evaluate the association between anti-diabetic agents and the risks of dementia in patients with type 2 diabetes (T2D).

methodsLiterature retrieval was conducted in PubMed, Embase, the Cochrane Central Register of Controlled Trials and Clinicaltrial.gov between January 1995 and October 2024. Observational studies and randomized controlled trials (RCTs) in patients with T2D, which intercompared anti-diabetic agents or compared them with placebo, and reported the incidence of dementia were included. Conventional and network meta-analyses of these studies were implemented. Results were exhibited as the odds ratio (OR) or risk ratio (RR) with 95% confidence interval (CI).

resultsA total of 41 observational studies (3,307,483 participants) and 23 RCTs (155,443 participants) were included. In the network meta-analysis of observational studies, compared with non-users, sodium glucose cotransporter-2 inhibitor (SGLT-2i) (OR = 0.56, 95%CI, 0.45 to 0.69), glucagon-like peptide-1 receptor agonist (GLP-1RA) (OR = 0.58, 95%CI, 0.46 to 0.73), thiazolidinedione (TZD) (OR = 0.68, 95%CI, 0.57 to 0.81) and metformin (OR = 0.89, 95%CI, 0.80 to 0.99) treatments were all associated with reduced risk of dementia in patients with T2D. The surface under the cumulative ranking curve (SUCRA) evaluation conferred a rank order as SGLT-2i > GLP-1RA > TZD > dipeptidyl peptidase-4 inhibitor (DPP-4i) > metformin > α-glucosidase inhibitor (AGI) > glucokinase activator (GKA) > sulfonylureas > glinides > insulin in terms of the cognitive benefits. Meanwhile, compared with non-users, SGLT-2i (OR = 0.43, 95%CI, 0.30 to 0.62), GLP-1RA (OR = 0.54, 95%CI, 0.30 to 0.96) and DPP-4i (OR = 0.73, 95%CI, 0.57 to 0.93) were associated with a reduced risk of Alzheimer's disease while a lower risk of vascular dementia was observed in patients receiving SGLT-2i (OR = 0.42, 95%CI, 0.22 to 0.80) and TZD (OR = 0.52, 95%CI, 0.36 to 0.75) treatment. In the network meta-analysis of RCTs, the risks of dementia were comparable among anti-diabetic agents and placebo.

conclusionCompared with non-users, SGLT-2i, GLP-1RA, TZD and metformin were associated with the reduced risk of dementia in patients with T2D. SGLT-2i, and GLP-1RA may serve as the optimal choice to improve the cognitive prognosis in patients with T2D.

Indexed as

DementiaDiabetes Mellitus, Type 2Hypoglycemic AgentsHumansObservational Studies as TopicRandomized Controlled Trials as TopicSodium-Glucose Transporter 2 InhibitorsHypoglycemic AgentsSodium-Glucose Transporter 2 InhibitorsAlzheimer’s diseaseAnti-diabetic agentsDementiaGlucagon-like peptide-1 receptor agonistSodium-glucose cotransporter-2 inhibitor

Identifiers

PMID39716328
PMCPMC11668108

What Socratic holds

Textmetadata
LicenceCC BY-NC-ND
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Registered trials

None linked

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 Socratic graph.