Skip to content

Study · Systematic review · n = 54,972 · 2025

6 results

The adverse effects associated with semaglutide use in patients at increased risk of cardiovascular events: a systematic review with meta-analysis and Trial Sequential Analysis.

Sillassen CDB, Petersen JJ, Faltermeier P, Yucel D, Siddiqui F, Andersen RK, Graever L, Bjerg JL, Kamp CB, Grand J, Dominguez H, Frølich A and 4 more

Show all authors

Gæde P, Gluud C, Mathiesen O, Jakobsen JC

BMC medicine24 Nov 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-ND. Results still quote short attributed sentences.

Results from this study6

6 results from studies that gave the peptide. 6 results from people.

  1. 01HumanSystematic reviewEfficacy outcome

    In patients at increased risk of cardiovascular events, semaglutide reduced all-cause mortality compared with placebo.

    In plain wordsIn people at higher risk of cardiovascular events, semaglutide lowered the risk of death from any cause compared with placebo.

    Outcome
    DecreaseAll-cause mortality
    Study

    n = 54,972

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Mortality · Whole body
    Studied dose
    Dose not stated

    Measurements

    RR
    0.85 NA
    all-cause mortality

    Source sentences

    Summary
    beneficial effects of semaglutide on all-cause mortality (relative risk (RR) 0.85; 95% CI 0.79 to 0.91; I2 = 0.0%; p < 0.01)
    2 context sentences
    Summary · context
    Randomized trials comparing semaglutide (oral or subcutaneous) with placebo in patients at increased risk of cardiovascular events were eligible.
    Summary · context
    The analysis included 50 trials, with a total of 54,972 participants randomized.
  2. 02HumanSystematic reviewSafety outcome

    In patients at increased risk of cardiovascular events, semaglutide reduced the risk of serious adverse events compared with placebo.

    In plain wordsIn people at higher risk of cardiovascular events, semaglutide caused fewer serious adverse events than placebo.

    Outcome
    DecreaseSerious adverse events
    Study

    n = 54,972

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Adverse events · Whole body
    Studied dose
    Dose not stated

    Measurements

    RR
    0.93 NA
    serious adverse events

    Source sentences

    Summary
    semaglutide decreased the risk of SAEs (RR 0.93, 95% CI 0.88 to 0.98; I2 = 24.1%; p < 0.01)
    2 context sentences
    Summary · context
    Randomized trials comparing semaglutide (oral or subcutaneous) with placebo in patients at increased risk of cardiovascular events were eligible.
    Summary · context
    The analysis included 50 trials, with a total of 54,972 participants randomized.
  3. 03HumanSystematic reviewEfficacy outcome

    In patients at increased risk of cardiovascular events, semaglutide reduced myocardial infarction compared with placebo.

    In plain wordsIn people at higher risk of cardiovascular events, semaglutide lowered the risk of heart attack compared with placebo.

    Outcome
    DecreaseMyocardial infarction
    Study

    n = 54,972

    Comparator
    Placebo
    Analysis
    Secondary
    Outcome group
    Cardiovascular events · Cardiovascular
    Studied dose
    Dose not stated

    Measurements

    RR
    0.77 NA
    myocardial infarction

    Source sentences

    Summary
    myocardial infarction (RR 0.77, 95% CI 0.69 to 0.85; I2 = 0.0%; p < 0.01).
    2 context sentences
    Summary · context
    Randomized trials comparing semaglutide (oral or subcutaneous) with placebo in patients at increased risk of cardiovascular events were eligible.
    Summary · context
    The analysis included 50 trials, with a total of 54,972 participants randomized.
  4. 04HumanSystematic reviewSafety outcome

    In patients at increased risk of cardiovascular events, semaglutide increased the risk of non-serious nausea compared with placebo.

    In plain wordsIn people at higher risk of cardiovascular events, semaglutide caused more nausea than placebo.

    Outcome
    IncreaseNausea
    Study

    n: not reported in source

    Comparator
    Placebo
    Analysis
    Secondary
    Outcome group
    Gastrointestinal adverse events · Gastrointestinal
    Studied dose
    Dose not stated

    Measurements

    RR
    3 NA
    nausea

    Source sentences

    Summary
    but increased the risk of several non-serious gastrointestinal AEs including nausea (RR 3.00, 95% CI 2.63 to 3.42), vomiting (RR 4.12, 95% CI 3.47 to 4.90), and diarrhea (RR 1.88, 95% CI 1.68 to 2.11).
    2 context sentences
    Summary · context
    Randomized trials comparing semaglutide (oral or subcutaneous) with placebo in patients at increased risk of cardiovascular events were eligible.
    Summary · context
    The analysis included 50 trials, with a total of 54,972 participants randomized.
  5. 05HumanSystematic reviewSafety outcome

    In patients at increased risk of cardiovascular events, semaglutide increased the risk of non-serious vomiting compared with placebo.

    In plain wordsIn people at higher risk of cardiovascular events, semaglutide caused more vomiting than placebo.

    Outcome
    IncreaseVomiting
    Study

    n: not reported in source

    Comparator
    Placebo
    Analysis
    Secondary
    Outcome group
    Gastrointestinal adverse events · Gastrointestinal
    Studied dose
    Dose not stated

    Measurements

    RR
    4.12 NA
    vomiting

    Source sentences

    Summary
    but increased the risk of several non-serious gastrointestinal AEs including nausea (RR 3.00, 95% CI 2.63 to 3.42), vomiting (RR 4.12, 95% CI 3.47 to 4.90), and diarrhea (RR 1.88, 95% CI 1.68 to 2.11).
    2 context sentences
    Summary · context
    Randomized trials comparing semaglutide (oral or subcutaneous) with placebo in patients at increased risk of cardiovascular events were eligible.
    Summary · context
    The analysis included 50 trials, with a total of 54,972 participants randomized.
  6. 06HumanSystematic reviewSafety outcome

    In patients at increased risk of cardiovascular events, semaglutide increased the risk of non-serious diarrhea compared with placebo.

    In plain wordsIn people at higher risk of cardiovascular events, semaglutide caused more diarrhea than placebo.

    Outcome
    IncreaseDiarrhea
    Study

    n: not reported in source

    Comparator
    Placebo
    Analysis
    Secondary
    Outcome group
    Gastrointestinal adverse events · Gastrointestinal
    Studied dose
    Dose not stated

    Measurements

    RR
    1.88 NA
    diarrhea

    Source sentences

    Summary
    but increased the risk of several non-serious gastrointestinal AEs including nausea (RR 3.00, 95% CI 2.63 to 3.42), vomiting (RR 4.12, 95% CI 3.47 to 4.90), and diarrhea (RR 1.88, 95% CI 1.68 to 2.11).
    2 context sentences
    Summary · context
    Randomized trials comparing semaglutide (oral or subcutaneous) with placebo in patients at increased risk of cardiovascular events were eligible.
    Summary · context
    The analysis included 50 trials, with a total of 54,972 participants randomized.

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 2Current

    11 Oct 2026, 00:04 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 03:06 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.