Resumen de Investigación
Analyzed using Evidence Intelligence™

Very low carbohydrate diet improves metabolic markers in diabetic kidney disease patients

Última actualización 12 de septiembre de 2026

Key finding

Weight decreased by -4.0 kg (IQR 3.9) in VLCBD vs 0.2 kg (IQR 4.2) in LPD, p=<0.001.

This study evaluated the metabolic effects of a very low carbohydrate diet (VLCBD) in patients with diabetic kidney disease compared to a standard low protein diet (LPD). VLCBD resulted in significant weight loss and reductions in waist circumference and inflammatory markers.

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 evaluated the metabolic effects of a very low carbohydrate diet (VLCBD) in patients with diabetic kidney disease compared to a standard low protein diet (LPD). VLCBD resulted in significant weight loss and reductions in waist circumference and inflammatory markers.

Clinical relevance

These findings are significant as they suggest that a very low carbohydrate diet may be an effective dietary intervention for managing weight and inflammation in patients with diabetic kidney disease. This could lead to improved health outcomes and quality of life for this vulnerable population.

Keep in mind

The study's sample size and demographic characteristics may limit generalizability. The long-term effects of VLCBD were not assessed. Potential confounding factors were not fully controlled.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Nur AZ, Chen XW, Rohana AG, Nafeeza MI, Nazrul HI. The metabolic effects of very low carbohydrate diet in diabetic kidney disease patients: a randomized controlled trial. Journal of the Endocrine Society. 2022;6(Suppl 2):A325-A326. doi:10.1210/jendso/bvac150.674

Efectos Principales

VLCBD resulted in a weight decrease of -4.0 kg (p=<0.001) compared to LPD.

BMI decreased by -1.5 (p=<0.001) in VLCBD, while LPD showed no significant change.

Waist circumference decreased by -4.0 cm (p=0.003) in VLCBD.

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 BMI, Body weight, HbA1c, and 3 more.

Primary intervention

Low-carbohydrate diet

Primary outcomes

  • BMI
  • Body weight
  • HbA1c

Evidence relationships

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

8
Evidence pairs
8
Relationships
7
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

7

Related topics

8

Evidence pairs

2463

Related studies

High relevance in at least one topic

Why it is useful

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

Evidencia relacionada

Relación de evidencia

Low-Carbohydrate Diet Education and Body Composition

Guardar evidencia

Relación de evidencia

Low-Carbohydrate Diet Education and HbA1c

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

BMI

Low-carbohydrate diet → BMI

Low-carbohydrate diet → BMI

Evidence Intelligence™
EvidenceScore™
83
Strong
ImpactScore™
92
Very Positive
ConsistencyScore™
83
consistent
Estudios de apoyo: Basado en 6 estudios
Add to Evidence Tracker

Body weight

Low-carbohydrate diet → Body weight

Low-carbohydrate diet → Body weight

Evidence Intelligence™
EvidenceScore™
85
Strong
ImpactScore™
92
Very Positive
ConsistencyScore™
83
consistent
Estudios de apoyo: Basado en 13 estudios
Add to Evidence Tracker

HbA1c

Low-carbohydrate diet → HbA1c

Low-carbohydrate diet → HbA1c

Evidence Intelligence™
EvidenceScore™
86
Strong
ImpactScore™
82
Positive
ConsistencyScore™
65
generally_consistent
Estudios de apoyo: Basado en 24 estudios
Add to Evidence Tracker

IL-6

Low-carbohydrate diet → IL-6

Low-carbohydrate diet → IL-6

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Physical activity level (MET-minutes per week)

Low-carbohydrate diet → Physical activity level (MET-minutes per week)

Low-carbohydrate diet → Physical activity level (MET-minutes per week)

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

Waist circumference

Low-carbohydrate diet → Waist circumference

Low-carbohydrate diet → Waist circumference

Evidence Intelligence™
EvidenceScore™
86
Strong
ImpactScore™
94
Very Positive
ConsistencyScore™
88
consistent
Estudios de apoyo: Basado en 8 estudios
Add to Evidence Tracker

BMI

Standard diet → BMI

Standard diet → BMI

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

Evidence Library

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evidence suggest

La Evidencia Sugiere

  • VLCBD led to a significant weight loss of -4 kg (p=<0.001).
  • Waist circumference decreased by -4 cm in VLCBD (p=0.003).
  • IL-6 inflammatory marker decreased by -1.53 pg/mL in VLCBD (p=0.028).
who this applies

A quién se aplica

  • Adults with diabetic kidney disease.
  • Patients seeking dietary interventions for weight management.
keep in mind

Tener en Cuenta

  • Results may not apply to populations outside the study's demographic.
  • The study did not evaluate the long-term sustainability of VLCBD.
  • Further research is needed to confirm these findings in larger cohorts.
between the lines

Entre Líneas

  • The study's sample size and demographic characteristics may limit generalizability.
  • The long-term effects of VLCBD were not assessed.
  • Potential confounding factors were not fully controlled.

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 Low-Carbohydrate Diet Education and HbA1c, Low-Carbohydrate Diet Education and Body Composition.

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 affect body weight?

Strong Evidence

Low-Carbohydrate Diet Education appears to affect body weight.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Body weight

    EvidenceScore™ Strong | EvidenceScore™ 85.4 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 17 supporting studies with consistent results and a positive effect signal.

17 supporting studies

Does Low-Carbohydrate Diet Education improve body composition?

Strong Evidence

Low-Carbohydrate Diet Education appears to improve body composition.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Waist circumference

    EvidenceScore™ Strong | EvidenceScore™ 85.9 | strong positive | ConsistencyScore™ Consistent | 1 study

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

8 supporting studies

Does Low-Carbohydrate Diet Education lower HbA1c?

Strong Evidence

Low-Carbohydrate Diet Education may lower HbA1c.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Strong | EvidenceScore™ 86.0 | moderate positive | ConsistencyScore™ Generally Consistent | 1 study

Why this answer: This answer is based on 28 supporting studies with generally consistent results and a positive effect signal.

28 supporting studies

Does Low-Carbohydrate Diet Education affect body mass index?

Strong Evidence

Low-Carbohydrate Diet Education appears to affect body mass index.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    BMI

    EvidenceScore™ Strong | EvidenceScore™ 83.3 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 7 supporting studies with consistent results and a positive effect signal.

7 supporting studies
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