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Study · Systematic review · 2026

5 results

The concentration-dependent protective effects by new generation hypoglycemic agents on delirium, depression, dementia and coma: evidence from a network meta-analysis.

Tseng PT, Zeng BY, Hsu CW, Suen MW, Hung CM, Carvalho AF, Stubbs B, Chen YW, Chen TY, Lei WT, Lin PY, Chen JJ and 5 more

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Su KP, Wang HY, Zeng BS, Shiue YL, Liang CS

Journal of the Royal Society of Medicine8 Dec 2025Cited by 3 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: CC BY-NC. Results still quote short attributed sentences.

Results from this study5

1 result from studies that gave the peptide. 1 result from people.

  1. 01HumanSystematic reviewEfficacy outcome

    In people without baseline cognitive or psychiatric disorders, liraglutide was associated with cognitive improvement in the network meta-analysis.

    In plain wordsIn people without baseline cognitive or psychiatric disorders, liraglutide was linked to cognitive improvement in a network meta-analysis.

    Outcome
    IncreaseCognitive performance
    Study

    n: not reported in source

    Analysis
    Secondary
    Outcome group
    Cognition and memory · Nervous system and cognition
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Dulaglutide and liraglutide were the only agents associated with cognitive improvement.
    3 context sentences
    Summary · context
    A frequentist NMA was conducted using data from randomised controlled trials (RCTs) investigating GLP-1 receptor agonists or SGLT2 inhibitors.
    Summary · context
    Included trials enrolled individuals without baseline cognitive or psychiatric disorders.
    Summary · context
    A total of 62 RCTs comprising 200,068 participants were included.

Studies that did not test the peptide alone4

In this study, Liraglutide was a lab tool or a carrier, part of a mix, or the subject of a lab method. These results are not evidence about taking Liraglutide.

  1. 02HumanNot a test of Liraglutide aloneSystematic reviewEfficacy outcome

    In people without baseline cognitive or psychiatric disorders, no significant dementia benefit was observed across all agents including liraglutide.

    In plain wordsIn people without baseline cognitive or psychiatric disorders, across all drugs including liraglutide, dementia benefit was not significant.

    Outcome
    No significant changeDementia incidence
    Study

    n: not reported in source

    Analysis
    Primary
    Outcome group
    Cognition and memory · Nervous system and cognition

    Source sentences

    Summary
    No significant benefits were observed for dementia or coma across all agents.
    3 context sentences
    Summary · context
    A frequentist NMA was conducted using data from randomised controlled trials (RCTs) investigating GLP-1 receptor agonists or SGLT2 inhibitors.
    Summary · context
    Included trials enrolled individuals without baseline cognitive or psychiatric disorders.
    Summary · context
    A total of 62 RCTs comprising 200,068 participants were included.

    In this study, Liraglutide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Liraglutide.

  2. 03HumanNot a test of Liraglutide aloneSystematic reviewEfficacy outcome

    In people without baseline cognitive or psychiatric disorders, no significant coma benefit was observed across all agents including liraglutide.

    In plain wordsIn people without baseline cognitive or psychiatric disorders, across all drugs including liraglutide, coma benefit was not significant.

    Outcome
    No significant changeComa incidence
    Study

    n: not reported in source

    Analysis
    Primary
    Outcome group
    Cognition and memory · Nervous system and cognition

    Source sentences

    Summary
    No significant benefits were observed for dementia or coma across all agents.
    3 context sentences
    Summary · context
    A frequentist NMA was conducted using data from randomised controlled trials (RCTs) investigating GLP-1 receptor agonists or SGLT2 inhibitors.
    Summary · context
    Included trials enrolled individuals without baseline cognitive or psychiatric disorders.
    Summary · context
    A total of 62 RCTs comprising 200,068 participants were included.

    In this study, Liraglutide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Liraglutide.

  3. 04HumanNot a test of Liraglutide aloneSystematic reviewEfficacy outcome

    In the network meta-analysis of people without baseline cognitive or psychiatric disorders, only high-dose dapagliflozin significantly reduced delirium incidence among all treatments including liraglutide.

    In plain wordsIn people without baseline cognitive or psychiatric disorders, only high-dose dapagliflozin significantly reduced delirium among the treatments studied.

    Outcome
    Not applicableDelirium incidence
    Study

    n: not reported in source

    Analysis
    Primary
    Outcome group
    Cognition and memory · Nervous system and cognition

    Source sentences

    Summary
    Among all treatments, only high-dose dapagliflozin (10 mg/day) significantly reduced the occurrence of delirium and depression, particularly in patients with type 2 diabetes.
    3 context sentences
    Summary · context
    A frequentist NMA was conducted using data from randomised controlled trials (RCTs) investigating GLP-1 receptor agonists or SGLT2 inhibitors.
    Summary · context
    Included trials enrolled individuals without baseline cognitive or psychiatric disorders.
    Summary · context
    Dulaglutide and liraglutide were the only agents associated with cognitive improvement.

    In this study, Liraglutide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Liraglutide.

  4. 05HumanNot a test of Liraglutide aloneSystematic reviewEfficacy outcome

    In the network meta-analysis of people without baseline cognitive or psychiatric disorders, only high-dose dapagliflozin significantly reduced depression incidence among all treatments including liraglutide.

    In plain wordsIn people without baseline cognitive or psychiatric disorders, only high-dose dapagliflozin significantly reduced depression among the treatments studied.

    Outcome
    Not applicableDepression incidence
    Study

    n: not reported in source

    Analysis
    Primary
    Outcome group
    Anxiety and mood · Nervous system and cognition

    Source sentences

    Summary
    Among all treatments, only high-dose dapagliflozin (10 mg/day) significantly reduced the occurrence of delirium and depression, particularly in patients with type 2 diabetes.
    3 context sentences
    Summary · context
    A frequentist NMA was conducted using data from randomised controlled trials (RCTs) investigating GLP-1 receptor agonists or SGLT2 inhibitors.
    Summary · context
    Included trials enrolled individuals without baseline cognitive or psychiatric disorders.
    Summary · context
    Dulaglutide and liraglutide were the only agents associated with cognitive improvement.

    In this study, Liraglutide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Liraglutide.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 3Current

    21 Oct 2026, 18:59 UTC

    Study data updated · source update from Europe PMC

  2. Version 2

    12 Oct 2026, 11:11 UTC

    Study results updated

  3. Version 1

    9 Oct 2026, 03:05 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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