Research Summary
Analyzed using Evidence Intelligence™

Akkermansia MucT May Improve Insulin Sensitivity

Last updated August 27, 2026

Key finding

3-months intake of pasteurized A. muciniphila MucT improved HOMA-based hepatic insulin sensitivity in prediabetic (12%; p = 0.05).

This study evaluated the effects of pasteurized Akkermansia muciniphila MucT on insulin sensitivity in adults with metabolic syndrome, finding improvements in certain subgroups.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Medium-Term (3–12 mo)

Risk of bias

High Risk

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Plain-language summary

What this paper says

A plain-language read of the study’s main message and where it applies.

Study focus

This study evaluated the effects of pasteurized Akkermansia muciniphila MucT on insulin sensitivity in adults with metabolic syndrome, finding improvements in certain subgroups.

Clinical relevance

Improving insulin sensitivity is crucial for managing metabolic syndrome, which is linked to increased risk of diabetes and cardiovascular diseases. This study suggests that pasteurized Akkermansia muciniphila MucT could be a novel therapeutic approach for enhancing metabolic health, particularly in vulnerable populations.

Keep in mind

The primary endpoint of whole-body insulin sensitivity showed no significant difference. Effectiveness of interventions remains unclear for several outcomes. Sample size and demographic diversity may limit generalizability.

Published in

Journal Reference

Publication details and source links for this paper.

Peter S, Anneleen S, Leen R, et al. Pasteurized Akkermansia muciniphila MucT Improves Insulin Sensitivity in Adults with Metabolic Syndrome. Gut Microbes. 2026;18(1):2690689. doi:10.1080/19490976.2026.2690689

Main Effects

HOMA-based hepatic insulin sensitivity improved by 12% in prediabetic and older subgroups (p = 0.05).

GLP-1 excursion increased significantly compared to placebo (p < 0.01).

Trunk fat decreased significantly (p < 0.05).

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Akkermansia muciniphila and Body weight, Insulin sensitivity, Post-OGTT GLP-1 excursion, and 1 more.

Primary intervention

Akkermansia muciniphila

Primary outcomes

  • Body weight
  • Insulin sensitivity
  • Post-OGTT GLP-1 excursion

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

4
Evidence pairs
4
Relationships
1
Evidence topics
contributes_evidence

Editorial context

Why this study matters

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Evidence network role

This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.

Moderate contributionModerate confidenceNetwork score: 63

1

Related topics

4

Evidence pairs

376

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 4 evidence relationships
  • Includes primary outcome data
  • Linked to 1 direct semantic evidence topic

Topic contributions

Evidence topic

Contributes evidence

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Primary evidence

Evidence topic

Weight Loss

matched_outcome

Core evidence

Study findings

The primary outcomes reported in this study.

Body weight

Akkermansia muciniphila → Body weight

Akkermansia muciniphila → Body weight

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Insulin sensitivity

Akkermansia muciniphila → Insulin sensitivity

Akkermansia muciniphila → Insulin sensitivity

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Post-OGTT GLP-1 excursion

Akkermansia muciniphila → Post-OGTT GLP-1 excursion

Akkermansia muciniphila → Post-OGTT GLP-1 excursion

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Trunk fat

Akkermansia muciniphila → Trunk fat

Akkermansia muciniphila → Trunk fat

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Evidence Library

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evidence suggest

Evidence Suggest

  • 12% improvement in hepatic insulin sensitivity in prediabetic individuals.
  • Significant increase in GLP-1 levels post-OGTT (p < 0.01).
  • Reduction in trunk fat (p < 0.05).
who this applies

Who this applies to

  • Adults with metabolic syndrome.
  • Prediabetic individuals.
  • Individuals aged 63 years or older.
keep in mind

Keep in Mind

  • The study did not find significant changes in overall insulin sensitivity.
  • Results may not apply to younger populations or those without metabolic syndrome.
  • Further research is needed to confirm long-term effects and mechanisms.
between the lines

Between the Lines

  • The primary endpoint of whole-body insulin sensitivity showed no significant difference.
  • Effectiveness of interventions remains unclear for several outcomes.
  • Sample size and demographic diversity may limit generalizability.

Evidence Library

Build your evidence library

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Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Akkermansia muciniphila and Body Weight, Akkermansia muciniphila and Post-OGTT GLP-1 excursion.

Related evidence relationships

Explore in Evidence Explorer

This study contributes to the evidence on the following intervention-outcome relationships.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Akkermansia muciniphila improve post-ogtt glp-1 excursion?

Emerging Evidence

Akkermansia muciniphila appears to improve post-ogtt glp-1 excursion.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Post-OGTT GLP-1 excursion

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
1 supporting study

Does Akkermansia muciniphila improve trunk fat?

Emerging Evidence

Akkermansia muciniphila appears to improve trunk fat.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Trunk fat

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
1 supporting study

Does Akkermansia muciniphila affect body weight?

Emerging Evidence

Current evidence does not show a clear effect of Akkermansia muciniphila on body weight.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Body weight

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
1 supporting study

Does Akkermansia muciniphila improve insulin sensitivity?

Emerging Evidence

Current evidence does not show a clear benefit of Akkermansia muciniphila for insulin sensitivity.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Insulin sensitivity

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
1 supporting study
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