- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
High-protein diet shows little effect on glycemic control in diabetes
Última actualización 22 de agosto de 2026
Key finding
Estimated renal function decreased in the HP group by 1.67 ± 15.3 mL/min/1.73m² (p = 0.03).
This study investigated the impact of high-protein versus low-protein diets on glycemic control in type 2 diabetes patients, finding no significant effects on glycemic outcomes.
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
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 impact of high-protein versus low-protein diets on glycemic control in type 2 diabetes patients, finding no significant effects on glycemic outcomes.
Clinical relevance
Understanding dietary impacts on glycemic control is crucial for managing type 2 diabetes. This study suggests that changing protein intake may not be an effective strategy for improving blood sugar levels, which can help guide dietary recommendations for patients. However, the observed decrease in renal function with a high-protein diet raises concerns that require further investigation.
Keep in mind
Limited sample size may affect generalizability Short duration of dietary intervention Potential unmeasured confounders affecting outcomes
Published in
Referencia de la Revista
Publication details and source links for this paper.
Ilias A, Pierre BL, Solia A, et al. Dietary Protein Modulation Does Not Affect Glycemic Control in Type 2 Diabetes Patients. iScience. 2023;26(8):107471. doi:10.1016/j.isci.2023.107471
Efectos Principales
No significant effect on glycemic excursions (p > 0.1)
No significant effect on HbA1c levels (p > 0.1)
Estimated renal function decreased in the high-protein group by 1.67 mL/min/1.73m² (p = 0.03)
Evidence network
How this study fits
Understand where this research contributes within the broader evidence network.
Evidence Context
This study contributes evidence to Animal Protein Diet, Low-protein diet and C-peptide, Estimated glomerular filtration rate, HbA1c, and 3 more.
This study contributes evidence to
Primary intervention
Animal Protein Diet
Primary outcomes
- C-peptide
- Estimated glomerular filtration rate
- HbA1c
Evidence topics
Primary intervention
Primary outcomes
Evidence relationships
Intervention and outcome relationships this study adds to the evidence network.
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.
2
Related topics
12
Evidence pairs
707
Related studies
Why it is useful
- Contributes to 12 evidence relationships
- Includes primary outcome data
- Linked to 2 direct semantic evidence topics
Topic contributions
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
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Evidencia principal
Tema de evidencia
Glycemic Control
matched_outcome
Evidencia relacionada
Tema de evidencia
HbA1c Reduction
Guardar evidencia
Core evidence
Study findings
The primary outcomes reported in this study.
Estimated glomerular filtration rate
Animal Protein Diet → Estimated glomerular filtration rate
Animal Protein Diet → Estimated glomerular filtration rate
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 25
- Negative
- ConsistencyScore™
- unclear
- Not enough independent studies
- EvidenceScore™
- 77
- Strong
- ImpactScore™
- 83
- Positive
- ConsistencyScore™
- 67
- generally_consistent
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Mean amplitude of glycemic excursions (MAGE)
Animal Protein Diet → Mean amplitude of glycemic excursions (MAGE)
Animal Protein Diet → Mean amplitude of glycemic excursions (MAGE)
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Post-prandial insulin response after mixed-meal test
Animal Protein Diet → Post-prandial insulin response after mixed-meal test
Animal Protein Diet → Post-prandial insulin response after mixed-meal test
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Estimated glomerular filtration rate
Low-protein diet → Estimated glomerular filtration rate
Low-protein diet → Estimated glomerular filtration rate
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- unclear
- Not enough independent studies
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Mean amplitude of glycemic excursions (MAGE)
Low-protein diet → Mean amplitude of glycemic excursions (MAGE)
Low-protein diet → Mean amplitude of glycemic excursions (MAGE)
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Post-prandial insulin response after mixed-meal test
Low-protein diet → Post-prandial insulin response after mixed-meal test
Low-protein diet → Post-prandial insulin response after mixed-meal test
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Evidence Library
Build your evidence library
Save research, organize studies, and quickly find important evidence again.
La Evidencia Sugiere
- High-protein diet did not improve glycemic control metrics (p > 0.1)
- Low-protein diet also showed no significant effects on glycemic outcomes (p > 0.1)
- Renal function decreased in the high-protein group (1.67 mL/min/1.73m², p = 0.03)
A quién se aplica
- Adults diagnosed with type 2 diabetes
- Individuals seeking dietary interventions for glycemic control
Tener en Cuenta
- Results may not apply to populations outside the study sample
- Dietary interventions were of limited duration
- Further research is needed to explore long-term effects of protein intake on renal function
Entre Líneas
- Limited sample size may affect generalizability
- Short duration of dietary intervention
- Potential unmeasured confounders affecting outcomes
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 Animal Protein Diet and HbA1c, Animal Protein Diet and C-peptide.
Relaciones de evidencia relacionadas
Explore in Evidence ExplorerThis study contributes to the evidence on the following intervention-outcome relationships.
Animal Protein Diet → HbA1c
Diet and Nutrition
- EvidenceScore™
- 77
- Strong
- ImpactScore™
- 83
- Positive
- ConsistencyScore™
- 67
- generally_consistent
Animal Protein Diet → C-peptide
Diet and Nutrition
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Incluido en estas colecciones de evidencia
Curated evidence collections and hubs this study is part of.
Animal Protein Diet Evidence Hub
All studies on Animal Protein Diet
Contributes to Animal Protein Diet evidence base.
HbA1c Evidence Hub
All studies measuring HbA1c
Measures HbA1c as a key outcome.
C-peptide Evidence Hub
All studies measuring C-peptide
Measures C-peptide as a key outcome.
Explora más en Evidence Explorer
Jump to pre-filtered views in Evidence Explorer.
All studies on Animal Protein Diet and HbA1c
3 results
All studies on Animal Protein Diet and C-peptide
1 results
All studies on Animal Protein Diet
3 results
All studies measuring HbA1c
3 results
All studies measuring C-peptide
1 results
Questions answered by this study
Generated from the study's connected evidence using Evidence Intelligence™.
Does Animal Protein Diet improve HbA1c?
Animal Protein Diet may improve HbA1c.
ConsistencyScore™: Results are generally consistent across studies.
Ranked evidence signals
- 1
HbA1c
EvidenceScore™ Strong | EvidenceScore™ 77.3 | moderate 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.
- Population details are unavailable.
Does Low-protein diet improve estimated glomerular filtration rate?
Low-protein diet appears to improve Estimated glomerular filtration rate.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Estimated glomerular filtration rate
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.
- Consistency cannot yet be determined.
- Population details are unavailable.
Does Animal Protein Diet improve c-peptide?
Current evidence does not show a clear benefit of Animal Protein Diet for C-peptide.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
C-peptide
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.
- Consistency cannot yet be determined.
- Population details are unavailable.
Does Animal Protein Diet improve insulin resistance?
Current evidence does not show a clear benefit of Animal Protein Diet for Insulin resistance.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Insulin resistance
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.
- Consistency cannot yet be determined.
- Population details are unavailable.
Next steps
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