Resumen de Investigación
Analyzed using Evidence Intelligence™

Sitagliptin with Metformin Improves Metabolic Health

Última actualización 6 de julio de 2026

Key finding

FBS decreased significantly in the sitagliptin + metformin group compared to metformin alone (P = 0.030).

This study evaluated the effects of sitagliptin plus metformin therapy on metabolic profiles in patients with type 2 diabetes and NAFLD, finding significant improvements in various metabolic markers.

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

Guarda este estudio en tu Evidence Tracker para encontrarlo facilmente cuando lo necesites.

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 effects of sitagliptin plus metformin therapy on metabolic profiles in patients with type 2 diabetes and NAFLD, finding significant improvements in various metabolic markers.

Clinical relevance

The findings highlight the potential of combining sitagliptin with metformin to improve metabolic health in patients suffering from both type 2 diabetes and NAFLD. Given the rising prevalence of these conditions, effective treatment strategies are crucial for reducing long-term complications and improving patient outcomes.

Keep in mind

The study's sample size may limit the generalizability of the findings. The duration of the intervention may not reflect long-term effects. Potential confounding factors were not fully controlled.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Habib Y, Majid R, Niki K, Majid M, Narges ST. Sitagliptin Plus Metformin Therapy Improves Metabolic Profile in Patients with Type 2 Diabetes and NAFLD. Current Therapeutic Research, Clinical and Experimental. 2024;101:100764. doi:10.1016/j.curtheres.2024.100764

Efectos Principales

Fasting blood sugar decreased by 18 mg/dL in the sitagliptin + metformin group (P = 0.030).

Total cholesterol decreased by 58 mg/dL in the sitagliptin + metformin group (P = 0.017).

Triglycerides decreased by 93 mg/dL in the sitagliptin + metformin group (P = 0.008).

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Dipeptidyl peptidase-4 inhibitors, Metformin and Alanine Aminotransferase (ALT), Fasting blood sugar (FBS), Glycemia risk index, and 3 more.

Primary intervention

Dipeptidyl peptidase-4 inhibitors

Primary outcomes

  • Alanine Aminotransferase (ALT)
  • Fasting blood sugar (FBS)
  • Glycemia risk index

Evidence relationships

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

12
Evidence pairs
12
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

12

Evidence pairs

300

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 12 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

Metformin Therapies and Fasting Glucose

Evidencia relacionada

Relación de evidencia

DPP-4 Inhibitors and Fasting Glucose

Seguir evidencia

Relación de evidencia

Metformin Therapies and Adipokine and Angiogenic Markers

Seguir evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

Alanine Aminotransferase (ALT)

Dipeptidyl peptidase-4 inhibitors → Alanine Aminotransferase (ALT)

Dipeptidyl peptidase-4 inhibitors → Alanine Aminotransferase (ALT)

Evidence Intelligence™
ImpactScore™
100
Very Positive
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Fasting blood sugar (FBS)

Dipeptidyl peptidase-4 inhibitors → Fasting blood sugar (FBS)

Dipeptidyl peptidase-4 inhibitors → Fasting blood sugar (FBS)

Evidence Intelligence™
ImpactScore™
100
Very Positive
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Glycemia risk index

Dipeptidyl peptidase-4 inhibitors → Glycemia risk index

Dipeptidyl peptidase-4 inhibitors → Glycemia risk index

Evidence Intelligence™
ImpactScore™
100
Very Positive
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Serum vitamin D3 levels (Placebo)

Dipeptidyl peptidase-4 inhibitors → Serum vitamin D3 levels (Placebo)

Dipeptidyl peptidase-4 inhibitors → Serum vitamin D3 levels (Placebo)

Evidence Intelligence™
ImpactScore™
100
Very Positive
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Total cholesterol

Dipeptidyl peptidase-4 inhibitors → Total cholesterol

Dipeptidyl peptidase-4 inhibitors → Total cholesterol

Evidence Intelligence™
ImpactScore™
100
Very Positive
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Triglycerides

Dipeptidyl peptidase-4 inhibitors → Triglycerides

Dipeptidyl peptidase-4 inhibitors → Triglycerides

Evidence Intelligence™
ImpactScore™
100
Very Positive
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Alanine Aminotransferase (ALT)

Metformin → Alanine Aminotransferase (ALT)

Metformin → Alanine Aminotransferase (ALT)

Evidence Intelligence™
ImpactScore™
50
Neutral
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Fasting blood sugar (FBS)

Metformin → Fasting blood sugar (FBS)

Metformin → Fasting blood sugar (FBS)

Evidence Intelligence™
ImpactScore™
50
Neutral
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Glycemia risk index

Metformin → Glycemia risk index

Metformin → Glycemia risk index

Evidence Intelligence™
ImpactScore™
50
Neutral
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Serum vitamin D3 levels (Placebo)

Metformin → Serum vitamin D3 levels (Placebo)

Metformin → Serum vitamin D3 levels (Placebo)

Evidence Intelligence™
ImpactScore™
50
Neutral
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Total cholesterol

Metformin → Total cholesterol

Metformin → Total cholesterol

Evidence Intelligence™
ImpactScore™
50
Neutral
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Triglycerides

Metformin → Triglycerides

Metformin → Triglycerides

Evidence Intelligence™
ImpactScore™
50
Neutral
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

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Evidence Tracker

12 tracked topics

Saved Studies

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Research Notes

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Weekly Evidence Digest

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evidence suggest

La Evidencia Sugiere

  • Sitagliptin + metformin significantly reduced triglyceride-glucose index by 0.67 vs 0.21 (P = 0.017).
  • Vitamin D3 levels decreased significantly in the sitagliptin + metformin group (P = 0.001).
  • SGPT decreased by 8 IU/L in the sitagliptin + metformin group (P = 0.018).
who this applies

A quién se aplica

  • Adults diagnosed with type 2 diabetes.
  • Patients with non-alcoholic fatty liver disease (NAFLD).
keep in mind

Tener en Cuenta

  • Results may not apply to populations outside the study sample.
  • The study did not assess long-term outcomes beyond the intervention period.
  • Further research is needed to explore the effects in diverse populations.
between the lines

Entre Líneas

  • The study's sample size may limit the generalizability of the findings.
  • The duration of the intervention may not reflect long-term effects.
  • Potential confounding factors were not fully controlled.

Save this study

Keep this study in your Evidence Tracker so you can easily find it again whenever you need it.

Today's Activity

Your Evidence Workspace

Free account

Saved this study

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12 tracked topics

Saved Studies

48 studies

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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 DPP-4 Inhibitors and Adipokine and Angiogenic Markers, DPP-4 Inhibitors and Fasting Glucose.

Relaciones de evidencia relacionadas

Explore in Evidence Archive

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 Metformin Therapies improve fasting glucose?

Strong Evidence

Metformin Therapies may improve Fasting Glucose.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    Fasting blood sugar (FBS)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on 3 supporting studies with generally consistent results and a positive effect signal.

Limitations

  • Population details are unavailable.
3 supporting studiesUpdated: Jul 2026

Does DPP-4 Inhibitors improve fasting glucose?

Moderate Evidence

DPP-4 Inhibitors may improve Fasting Glucose.

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

Evidence caveat: The available evidence reports mixed findings.

Ranked evidence signals

  1. 1

    Fasting blood sugar (FBS)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

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

Limitations

  • Only a small number of supporting studies are available.
  • Population details are unavailable.
2 supporting studiesUpdated: Jul 2026

Does Metformin Therapies improve adipokine and angiogenic markers?

Moderate Evidence

Metformin Therapies may improve Adipokine and Angiogenic Markers.

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

Evidence caveat: The available evidence reports mixed findings.

Ranked evidence signals

  1. 1

    Alanine Aminotransferase (ALT)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study

  2. 2

    Total cholesterol

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study

  3. 3

    Triglycerides

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study

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

Limitations

  • Only a small number of supporting studies are available.
  • Population details are unavailable.
2 supporting studiesUpdated: Jul 2026

Does DPP-4 Inhibitors improve cgm time in range?

Emerging Evidence

DPP-4 Inhibitors appears to improve CGM Time in Range.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Glycemia risk index

    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.
1 supporting studyUpdated: Jul 2026
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