Resumen de Investigación
Analyzed using Evidence Intelligence™

Liraglutide shows no added benefit after gastric banding for diabetes

Última actualización 23 de agosto de 2026

Key finding

At 12 months HbA1c was significantly higher in the liraglutide arm (HbA1c:10.9 mmol/mol, 1.1, 20.6, p = 0.032)

This pilot randomized controlled trial evaluated the efficacy and safety of liraglutide in participants undergoing laparoscopic adjustable gastric banding, revealing significant weight gain and HbA1c increase at 12 months in the liraglutide group.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Long-Term (1–5 y)

Risk of bias

Some Concerns

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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 pilot randomized controlled trial evaluated the efficacy and safety of liraglutide in participants undergoing laparoscopic adjustable gastric banding, revealing significant weight gain and HbA1c increase at 12 months in the liraglutide group.

Clinical relevance

These findings suggest that liraglutide may not be beneficial for weight management or glycemic control in patients undergoing gastric banding, raising questions about its use in this population. Clinicians should consider these outcomes when prescribing liraglutide for weight-related issues in similar patients.

Keep in mind

Small sample size limits generalizability. Short follow-up duration may not capture long-term effects. No significant adverse events reported, but further monitoring needed.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Claudia C, Laurence JD, James C, et al. Efficacy and safety of liraglutide in participants undergoing laparoscopic adjustable gastric banding: a pilot randomized controlled trial. International Journal of Obesity (2005). 2023;47(11):1132-1142. doi:10.1038/s41366-023-01368-4

Efectos Principales

At 6 months, no significant difference in HbA1c between liraglutide and placebo (0.2 mmol/mol, p = 0.98).

At 6 months, no significant difference in body weight between liraglutide and placebo (2.0 kg, p = 0.50).

At 12 months, HbA1c was significantly higher in the liraglutide group (10.9 mmol/mol, p = 0.032).

At 12 months, body weight was significantly higher in the liraglutide group (8.2 kg, p = 0.02).

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Liraglutide and Adverse events incidence, Body weight, HbA1c.

Primary intervention

Liraglutide

Primary outcomes

  • Adverse events incidence
  • Body weight
  • HbA1c

Evidence relationships

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

3
Evidence pairs
3
Relationships
4
Evidence topics
contributes_evidence

Editorial context

Why this study matters

See why this paper is useful beyond its individual results.

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: 68

4

Related topics

3

Evidence pairs

903

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 3 evidence relationships
  • Includes primary outcome data
  • Linked to 4 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

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Evidencia principal

Relación de evidencia

GLP-1 Receptor Agonists and HbA1c

Evidencia relacionada

Relación de evidencia

GLP-1 Receptor Agonists and Body Weight

Guardar evidencia

Tema de evidencia

HbA1c Reduction

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

Adverse events incidence

Liraglutide → Adverse events incidence

Liraglutide → Adverse events incidence

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
50
Neutral
ConsistencyScore™
35
mixed
Estudios de apoyo: Basado en 2 estudios
Add to Evidence Tracker

Body weight

Liraglutide → Body weight

Liraglutide → Body weight

Evidence Intelligence™
EvidenceScore™
83
Strong
ImpactScore™
83
Positive
ConsistencyScore™
100
consistent
Estudios de apoyo: Basado en 6 estudios
Add to Evidence Tracker

HbA1c

Liraglutide → HbA1c

Liraglutide → HbA1c

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 4 studies
ImpactScore™
69
Positive
ConsistencyScore™
100
consistent
Estudios de apoyo: Basado en 4 estudios
Add to Evidence Tracker

Evidence Library

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evidence suggest

La Evidencia Sugiere

  • No change in HbA1c at 6 months (p = 0.98).
  • Significant increase in HbA1c at 12 months in liraglutide group (p = 0.032).
  • Significant increase in body weight at 12 months in liraglutide group (p = 0.02).
who this applies

A quién se aplica

  • Adults undergoing laparoscopic adjustable gastric banding.
  • Individuals with obesity and potential diabetes management needs.
keep in mind

Tener en Cuenta

  • Results may not apply to populations outside the study sample.
  • Further research needed to confirm findings and explore long-term effects.
  • Potential for confounding factors not addressed in this pilot study.
between the lines

Entre Líneas

  • Small sample size limits generalizability.
  • Short follow-up duration may not capture long-term effects.
  • No significant adverse events reported, but further monitoring needed.

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 GLP-1 Receptor Agonists and Body Weight, GLP-1 Receptor Agonists and HbA1c.

Relaciones de evidencia relacionadas

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™.

Do GLP-1 Receptor Agonists lower HbA1c?

Strong Evidence

GLP-1 Receptor Agonists appear to lower HbA1c.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Strong | EvidenceScore™ 79.0 | moderate positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 33 supporting studies with consistent results and a positive effect signal.

33 supporting studies

Do GLP-1 Receptor Agonists affect body weight?

Strong Evidence

GLP-1 Receptor Agonists may affect body weight.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Body weight

    EvidenceScore™ Strong | EvidenceScore™ 82.9 | moderate positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 33 supporting studies with consistent results and a positive effect signal.

33 supporting studies

Does Liraglutide reduce adverse events incidence?

Moderate Evidence

Current evidence does not show a clear reduction in adverse events incidence with Liraglutide.

ConsistencyScore™: Results are mixed and should be interpreted cautiously.

Evidence caveat: The available evidence reports mixed findings.

Ranked evidence signals

  1. 1

    Adverse events incidence

    EvidenceScore™ Moderate | EvidenceScore™ 69.0 | neutral | ConsistencyScore™ Mixed | 1 study

Why this answer: This answer is cautious because the available studies report mixed findings.

Limitations

  • Only one supporting study is available.
1 supporting study
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