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 TrackerResumen de Investigación
Analyzed using Evidence Intelligence™
Metformin may prevent metabolic decline in patients with obstructive sleep apnea
Última actualización 16 de agosto de 2026
Key finding
Whole body insulin sensitivity (Matsuda index) did not change in metformin or placebo treated groups.
This study investigated the effects of metformin on glucose metabolism and mitochondrial function in patients with obstructive sleep apnea, finding improvements in mitochondrial capacity with metformin treatment.
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 effects of metformin on glucose metabolism and mitochondrial function in patients with obstructive sleep apnea, finding improvements in mitochondrial capacity with metformin treatment.
Clinical relevance
Understanding the effects of metformin on mitochondrial function is crucial for managing patients with obstructive sleep apnea, as it may provide insights into improving metabolic health. Enhanced mitochondrial function could lead to better energy utilization in muscles, potentially benefiting patients' overall health and quality of life.
Keep in mind
The study had a limited sample size. Results may not be generalizable to all patients with obstructive sleep apnea. The duration of treatment may not reflect long-term effects.
Published in
Referencia de la Revista
Publication details and source links for this paper.
Elizabeth RMZ, Elizabeth CH, Wagner SD, et al. Effects of Metformin on Glucose Metabolism and Skeletal Muscle Mitochondrial Function in Patients with Obstructive Sleep Apnea. Physiological Reports. 2024;12(3):e15948. doi:10.14814/phy2.15948
Efectos Principales
Whole body insulin sensitivity (Matsuda index) did not change in either group.
Insulin AUC increased in the placebo group but remained unchanged with metformin.
Metformin improved skeletal muscle mitochondrial respiratory capacity.
Metformin improved skeletal muscle mitochondrial dynamics.
Evidence network
How this study fits
Understand where this research contributes within the broader evidence network.
Evidence Context
This study contributes evidence to Metformin and Insulin sensitivity, Skeletal muscle mitochondrial respiratory capacity.
This study contributes evidence to
Primary intervention
Metformin
Primary outcomes
- Insulin sensitivity
- Skeletal muscle mitochondrial respiratory capacity
Evidence topics
Primary intervention
Evidence relationships
Intervention and outcome relationships this study adds to the evidence network.
2
Evidence pairs
2
Relationships
3
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: 60
3
Related topics
2
Evidence pairs
691
Related studies
High relevance in at least one topic
Why it is useful
- Contributes to 2 evidence relationships
- Includes primary outcome data
- Linked to 3 direct semantic evidence topics
Topic contributions
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
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Evidencia principal
Relación de evidencia
Metformin Therapies and Insulin Resistance
Evidencia relacionada
Tema de evidencia
Insulin Resistance
Guardar evidencia
Tema de evidencia
Prediabetes
Guardar evidencia
Core evidence
Study findings
The primary outcomes reported in this study.
Skeletal muscle mitochondrial respiratory capacity
Metformin → Skeletal muscle mitochondrial respiratory capacity
Metformin → Skeletal muscle mitochondrial respiratory capacity
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
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La Evidencia Sugiere
- Metformin improved skeletal muscle mitochondrial respiratory capacity.
- Insulin AUC increased in the placebo group, indicating a potential negative effect of placebo.
- No change in whole body insulin sensitivity was observed in either treatment group.
A quién se aplica
- Adults diagnosed with obstructive sleep apnea.
- Patients with metabolic concerns related to energy utilization.
Tener en Cuenta
- The findings are based on a specific patient population and may not apply universally.
- The study did not assess long-term effects of metformin treatment.
- Further research is needed to explore the clinical significance of improved mitochondrial function.
Entre Líneas
- The study had a limited sample size.
- Results may not be generalizable to all patients with obstructive sleep apnea.
- The duration of treatment may not reflect long-term effects.
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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 Metformin Therapies and Postprandial and OGTT Glucose, Metformin Therapies and Insulin Resistance.
Relaciones de evidencia relacionadas
Explore in Evidence ExplorerThis study contributes to the evidence on the following intervention-outcome relationships.
Medications
Evidence Intelligence™
- EvidenceScore™
- 83
- Strong
- ImpactScore™
- 71
- Positive
- ConsistencyScore™
- 75
- consistent
Estudios de apoyo: Basado en 6 estudios
View evidenceMedications
Metformin Therapies → Insulin Resistance
Medications
Evidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 75
- Positive
- ConsistencyScore™
- 35
- mixed
Estudios de apoyo: Basado en 2 estudios
View evidenceIncluido en estas colecciones de evidencia
Curated evidence collections and hubs this study is part of.
Metformin Therapies Evidence Hub
All studies on Metformin Therapies
6 studies
intervention_hubContributes to Metformin Therapies evidence base.
Postprandial and OGTT Glucose Evidence Hub
All studies measuring Postprandial and OGTT Glucose
6 studies
outcome_hubMeasures Postprandial and OGTT Glucose as a key outcome.
Insulin Resistance Evidence Hub
All studies measuring Insulin Resistance
2 studies
outcome_hubMeasures Insulin Resistance as a key outcome.
Recent Diabetes Research
Latest published studies
recency_collection
Published within the last 2 years.
Explora más en Evidence Explorer
Jump to pre-filtered views in Evidence Explorer.
All studies on Metformin and Glucose iAUC (OGTT)
Intervention: MetforminOutcome: Glucose iAUC (OGTT)
6 results
All studies on Metformin and Insulin sensitivity
Intervention: MetforminOutcome: Insulin sensitivity
2 results
All studies on Metformin
Intervention: Metformin
6 results
All studies measuring Glucose iAUC (OGTT)
Outcome: Glucose iAUC (OGTT)
6 results
All studies measuring Insulin sensitivity
Outcome: Insulin sensitivity
2 results
Questions answered by this study
Generated from the study's connected evidence using Evidence Intelligence™.
Do Metformin Therapies improve insulin resistance?
Strong Evidence
Metformin Therapies may improve insulin resistance.
ConsistencyScore™: Results are generally consistent across studies.
Ranked evidence signals
- 1
Insulin sensitivity
EvidenceScore™ Moderate | EvidenceScore™ 69.0 | moderate positive | ConsistencyScore™ Mixed | 1 study
Why this answer: This answer is based on 7 supporting studies with generally consistent results and a positive effect signal.
Does Metformin improve skeletal muscle mitochondrial respiratory capacity?
Emerging Evidence
Metformin appears to improve skeletal muscle mitochondrial respiratory capacity.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Skeletal muscle mitochondrial respiratory capacity
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.
Next steps
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Evidence topics
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Related research
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Dietary Modulation of Gut Microbiota in PrediabetesVildagliptin and Metformin Improve Glycemic Control in Type 2 DiabetesEarly use of effective therapies may improve diabetes outcomesPremeal metformin improves postmeal glucose control in diabetes.Metformin does not increase SGA risk in gestational diabetes
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