Resumen de Investigación
Analyzed using Evidence Intelligence™

Ketogenic diets do not improve glucose control in T2D

Última actualización 12 de septiembre de 2026

Key finding

Body weight remained constant over the 10-day dietary intervention period in all three groups.

This study investigated the effects of low carbohydrate ketogenic diets on glucose tolerance and insulin sensitivity in obese patients with type 2 diabetes, finding no beneficial effects.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Short-Term (≤3 mo)

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 study investigated the effects of low carbohydrate ketogenic diets on glucose tolerance and insulin sensitivity in obese patients with type 2 diabetes, finding no beneficial effects.

Clinical relevance

These findings are significant as they challenge the assumption that ketogenic diets are beneficial for improving metabolic health in obese patients with type 2 diabetes. Clinicians should consider these results when recommending dietary interventions for managing diabetes, as the lack of improvement in key health markers suggests that such diets may not be effective for this population.

Keep in mind

Short duration of the study (10 days) may not capture long-term effects. Limited sample size may affect the generalizability of the findings. Lack of diversity in the participant population may limit applicability.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Aurora M, Brittany F, Andrea H, et al. Low carbohydrate ketogenic diets have no beneficial effect on glucose tolerance or insulin sensitivity in obese patients with T2D. BMJ Open Diabetes Research & Care. 2024;12(5):e004199. doi:10.1136/bmjdrc-2024-004199

Efectos Principales

Body weight remained constant across all three dietary groups.

Glucose tolerance either decreased slightly or remained unchanged in the ketogenic diet groups.

Insulin sensitivity did not improve in any of the groups.

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Low-carbohydrate diet, Standard diet and 2-hour plasma glucose, Insulin sensitivity, Plasma lipid profile, and 4 more.

Primary intervention

Low-carbohydrate diet

Primary outcomes

  • 2-hour plasma glucose
  • Insulin sensitivity
  • Plasma lipid profile

Evidence relationships

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

7
Evidence pairs
7
Relationships
8
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

8

Related topics

7

Evidence pairs

2916

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 7 evidence relationships
  • Includes primary outcome data
  • Linked to 8 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

Low-Carbohydrate Diet Education and Blood Pressure

Evidencia relacionada

Relación de evidencia

Low-Carbohydrate Diet Education and Insulin Resistance

Guardar evidencia

Relación de evidencia

Low-Carbohydrate Diet Education and Postprandial and OGTT Glucose

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

2-hour plasma glucose

Low-carbohydrate diet → 2-hour plasma glucose

Low-carbohydrate diet → 2-hour plasma glucose

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 4 studies
ImpactScore™
75
Positive
ConsistencyScore™
35
mixed
Estudios de apoyo: Basado en 4 estudios
Add to Evidence Tracker

Insulin sensitivity

Low-carbohydrate diet → Insulin sensitivity

Low-carbohydrate diet → Insulin sensitivity

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
50
Neutral
ConsistencyScore™
100
consistent
Estudios de apoyo: Basado en 2 estudios
Add to Evidence Tracker

Plasma lipid profile

Low-carbohydrate diet → Plasma lipid profile

Low-carbohydrate diet → Plasma lipid profile

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Systolic blood pressure

Low-carbohydrate diet → Systolic blood pressure

Low-carbohydrate diet → Systolic blood pressure

Evidence Intelligence™
EvidenceScore™
83
Strong
ImpactScore™
79
Positive
ConsistencyScore™
71
generally_consistent
Estudios de apoyo: Basado en 7 estudios
Add to Evidence Tracker

Body fat percentage reduction

Standard diet → Body fat percentage reduction

Standard diet → Body fat percentage reduction

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Body weight

Standard diet → Body weight

Standard diet → Body weight

Evidence Intelligence™
EvidenceScore™
78
Strong
ImpactScore™
67
Slightly Positive
ConsistencyScore™
67
generally_consistent
Estudios de apoyo: Basado en 3 estudios
Add to Evidence Tracker

Liver fat content

Standard diet → Liver fat content

Standard diet → Liver fat content

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
75
Positive
ConsistencyScore™
35
mixed
Estudios de apoyo: Basado en 2 estudios
Add to Evidence Tracker

Evidence Library

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evidence suggest

La Evidencia Sugiere

  • No significant changes in body weight or fat content in any group.
  • Glucose tolerance showed no improvement in ketogenic diet groups.
  • Insulin sensitivity remained unchanged across all dietary interventions.
who this applies

A quién se aplica

  • Obese patients diagnosed with type 2 diabetes.
  • Adults aged 18-65 years.
keep in mind

Tener en Cuenta

  • Results may not apply to individuals outside the study's demographic.
  • Short intervention period limits understanding of long-term dietary effects.
  • Further research is needed to explore different dietary approaches for diabetes management.
between the lines

Entre Líneas

  • Short duration of the study (10 days) may not capture long-term effects.
  • Limited sample size may affect the generalizability of the findings.
  • Lack of diversity in the participant population may limit applicability.

Evidence Library

Build your evidence library

Save research, organize studies, and quickly find important evidence again.

Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Low-Carbohydrate Diet Education and Body Weight, Low-Carbohydrate Diet Education and Blood Pressure.

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™.

Does Low-Carbohydrate Diet Education improve blood pressure?

Strong Evidence

Low-Carbohydrate Diet Education may improve blood pressure.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    Systolic blood pressure

    EvidenceScore™ Strong | EvidenceScore™ 83.3 | moderate positive | ConsistencyScore™ Generally Consistent | 1 study

Why this answer: This answer is based on 8 supporting studies with generally consistent results and a positive effect signal.

8 supporting studies

Does Low-Carbohydrate Diet Education improve insulin resistance?

Strong Evidence

Low-Carbohydrate Diet Education may improve insulin resistance.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    Insulin sensitivity

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

Why this answer: This answer is based on 12 supporting studies with generally consistent results and a positive effect signal.

12 supporting studies

Does Low-Carbohydrate Diet Education improve postprandial and ogtt glucose?

Strong Evidence

Low-Carbohydrate Diet Education may improve postprandial and ogtt glucose.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    2-hour plasma glucose

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

Why this answer: This answer is based on 6 supporting studies with generally consistent results and a positive effect signal.

6 supporting studies

Does Standard diet affect body weight?

Strong Evidence

Standard diet may affect body weight.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    Body weight

    EvidenceScore™ Strong | EvidenceScore™ 78.0 | weak positive | ConsistencyScore™ Generally Consistent | 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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