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Study · Systematic review · n = 9,821 · 2023

7 results

Efficacy and safety of oral semaglutide in type 2 diabetes mellitus: A systematic review and meta-analysis.

Li A, Su X, Hu S, Wang Y

Diabetes research and clinical practice5 Mar 2023Cited by 39 (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: Publisher copyright. Results still quote short attributed sentences.

Results from this study7

7 results from studies that gave the peptide. 7 results from people.

  1. 01HumanSystematic reviewEfficacy outcome

    In adults with type 2 diabetes, oral semaglutide 7 mg and 14 mg both significantly reduced body weight in a meta-analysis.

    In plain wordsIn pooled trials of adults with type 2 diabetes, both oral semaglutide doses lowered body weight.

    Outcome
    DecreaseBody weight change
    Study

    n = 9,821

    Analysis
    Primary
    Outcome group
    Body weight · Metabolic and weight
    Studied dose
    7 and 14 mg · oralAs given in this study (human).

    Source sentences

    Summary
    Both doses of semaglutide could significantly reduce body weight.
    1 context sentence
    Summary · context
    Search several databases for randomized controlled trials (RCTs) of oral semaglutide in patients with T2DM from inception through May 31, 2021.
  2. 02HumanSystematic reviewEfficacy outcome

    In adults with type 2 diabetes, oral semaglutide 7 mg reduced HbA1c more than placebo in a meta-analysis.

    In plain wordsIn pooled trials of adults with type 2 diabetes, oral semaglutide 7 mg lowered HbA1c more than placebo.

    Outcome
    DecreaseHbA1c change vs placebo, 7 mg
    Study

    n: not reported in source

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Glycemic control · Metabolic and weight
    Studied dose
    7 mg · oralAs given in this study (human).

    Measurements

    HbA1c reduction
    1.06%
    7 mg vs placebo

    Source sentences

    Summary
    Compared with placebo, semaglutide 7 and 14 mg reduced HbA1c by 1.06% (95% CI, 0.81-1.30) and 1.10% (95% CI, 0.88-1.31), respectively.
    1 context sentence
    Summary · context
    Search several databases for randomized controlled trials (RCTs) of oral semaglutide in patients with T2DM from inception through May 31, 2021.
  3. 03HumanSystematic reviewEfficacy outcome

    In adults with type 2 diabetes, oral semaglutide 14 mg reduced HbA1c more than placebo in a meta-analysis.

    In plain wordsIn pooled trials of adults with type 2 diabetes, oral semaglutide 14 mg lowered HbA1c more than placebo.

    Outcome
    DecreaseHbA1c change vs placebo, 14 mg
    Study

    n: not reported in source

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Glycemic control · Metabolic and weight
    Studied dose
    14 mg · oralAs given in this study (human).

    Measurements

    HbA1c reduction
    1.1%
    14 mg vs placebo

    Source sentences

    Summary
    Compared with placebo, semaglutide 7 and 14 mg reduced HbA1c by 1.06% (95% CI, 0.81-1.30) and 1.10% (95% CI, 0.88-1.31), respectively.
    1 context sentence
    Summary · context
    Search several databases for randomized controlled trials (RCTs) of oral semaglutide in patients with T2DM from inception through May 31, 2021.
  4. 04HumanSystematic reviewEfficacy outcome

    In adults with type 2 diabetes, oral semaglutide 7 mg reduced HbA1c more than other antidiabetic agents in a meta-analysis.

    In plain wordsIn pooled trials of adults with type 2 diabetes, oral semaglutide 7 mg lowered HbA1c more than other diabetes drugs.

    Outcome
    DecreaseHbA1c change vs other antidiabetic agents, 7 mg
    Study

    n: not reported in source

    Comparator
    Other antidiabetic agents
    Analysis
    Primary
    Outcome group
    Glycemic control · Metabolic and weight
    Studied dose
    7 mg · oralAs given in this study (human).

    Measurements

    HbA1c reduction
    0.26%
    7 mg vs other antidiabetic agents

    Source sentences

    Summary
    While in comparison with other antidiabetic agents, semaglutide 7 and 14 mg reduced HbA1c by 0.26% (95% CI, 0.15-0.38) and 0.38% (95%CI, 0.31-0.45).
    1 context sentence
    Summary · context
    Search several databases for randomized controlled trials (RCTs) of oral semaglutide in patients with T2DM from inception through May 31, 2021.
  5. 05HumanSystematic reviewEfficacy outcome

    In adults with type 2 diabetes, oral semaglutide 14 mg reduced HbA1c more than other antidiabetic agents in a meta-analysis.

    In plain wordsIn pooled trials of adults with type 2 diabetes, oral semaglutide 14 mg lowered HbA1c more than other diabetes drugs.

    Outcome
    DecreaseHbA1c change vs other antidiabetic agents, 14 mg
    Study

    n: not reported in source

    Comparator
    Other antidiabetic agents
    Analysis
    Primary
    Outcome group
    Glycemic control · Metabolic and weight
    Studied dose
    14 mg · oralAs given in this study (human).

    Measurements

    HbA1c reduction
    0.38%
    14 mg vs other antidiabetic agents

    Source sentences

    Summary
    While in comparison with other antidiabetic agents, semaglutide 7 and 14 mg reduced HbA1c by 0.26% (95% CI, 0.15-0.38) and 0.38% (95%CI, 0.31-0.45).
    1 context sentence
    Summary · context
    Search several databases for randomized controlled trials (RCTs) of oral semaglutide in patients with T2DM from inception through May 31, 2021.
  6. 06HumanSystematic reviewSafety outcome

    In adults with type 2 diabetes, oral semaglutide 14 mg increased the incidence of medication discontinuation in a meta-analysis.

    In plain wordsIn pooled trials of adults with type 2 diabetes, more people stopped taking oral semaglutide 14 mg.

    Outcome
    IncreaseMedication discontinuation, 14 mg
    Study

    n: not reported in source

    Outcome group
    Adverse events · Whole body
    Studied dose
    14 mg · oralAs given in this study (human).

    Source sentences

    Summary
    Semaglutide 14 mg did increase the incidence of medication discontinuation and gastrointestinal events (nausea, vomiting and diarrhea).
    1 context sentence
    Summary · context
    Search several databases for randomized controlled trials (RCTs) of oral semaglutide in patients with T2DM from inception through May 31, 2021.
  7. 07HumanSystematic reviewSafety outcome

    In adults with type 2 diabetes, oral semaglutide 14 mg increased the incidence of nausea, vomiting and diarrhea in a meta-analysis.

    In plain wordsIn pooled trials of adults with type 2 diabetes, oral semaglutide 14 mg caused more nausea, vomiting and diarrhea.

    Outcome
    IncreaseGastrointestinal events (nausea, vomiting, diarrhea), 14 mg
    Study

    n: not reported in source

    Outcome group
    Gastrointestinal adverse events · Gastrointestinal
    Studied dose
    14 mg · oralAs given in this study (human).

    Source sentences

    Summary
    Semaglutide 14 mg did increase the incidence of medication discontinuation and gastrointestinal events (nausea, vomiting and diarrhea).
    1 context sentence
    Summary · context
    Search several databases for randomized controlled trials (RCTs) of oral semaglutide in patients with T2DM from inception through May 31, 2021.

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

Registered trials1

Trials this study reports on, or that list this study as a reference. Registry data from ClinicalTrials.gov.

1 trial · 1 ongoing · source ClinicalTrials.gov (opens in a new tab)

RecruitingPhase 2NCT06072963

COMMETS- Combination MCI Metabolic Syndrome

Rutgers, The State University of New Jerseyn = 8030 Jan 2024 to est. 1 Dec 2028

Alzheimer Disease · Mild Cognitive Impairment · Metabolic Syndrome

Trial pageClinicalTrials.govUpdated 27 Jul 2026

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

    9 Oct 2026, 18:17 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.

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