Research Summary
Analyzed using Evidence Intelligence™

Empagliflozin improves glycemic control in type 1 diabetes patients

Last updated July 18, 2026

Key finding

Hemoglobin A1C decreased by -0.18% (95% CI: -0.37, 0.005, P =0.009)

This study evaluated the effects of empagliflozin as an adjunct to insulin in patients with type 1 diabetes, showing significant reductions in blood sugar levels and insulin doses.

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 evaluated the effects of empagliflozin as an adjunct to insulin in patients with type 1 diabetes, showing significant reductions in blood sugar levels and insulin doses.

Clinical relevance

These findings are significant as they suggest that empagliflozin can enhance diabetes management in patients with type 1 diabetes, potentially leading to better glycemic control and reduced insulin requirements. This could improve patients' quality of life and reduce the risk of diabetes-related complications.

Keep in mind

Limited generalizability due to specific population characteristics Short duration of the study may not capture long-term effects Potential for unmeasured confounders affecting outcomes

Published in

Journal Reference

Publication details and source links for this paper.

Mostafa N, Farzad N, Alireza O, et al. Empagliflozin as an Adjunct to Insulin in Patients with Type 1 Diabetes: A Randomized Clinical Trial. Health Promotion Perspectives. 2024;14(4):380-387. doi:10.34172/hpp.42486

Main Effects

Hemoglobin A1C decreased by -0.18% (P = 0.009)

Fasting blood sugar decreased by -2.60 mg/dL (P = 0.035)

Total daily insulin dose decreased by -7.6 units (P = 0.003)

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Empagliflozin and BMI, Fasting blood sugar (FBS), Glucose iAUC (OGTT), and 2 more.

Primary intervention

Empagliflozin

Primary outcomes

  • BMI
  • Fasting blood sugar (FBS)
  • Glucose iAUC (OGTT)

Evidence relationships

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

5
Evidence pairs
5
Relationships
5
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

5

Related topics

5

Evidence pairs

902

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 5 evidence relationships
  • Includes primary outcome data
  • Linked to 5 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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Primary evidence

Evidence relationship

SGLT2 Inhibitors and Fasting Glucose

Related evidence

Evidence relationship

SGLT2 Inhibitors and Body Mass Index

Save evidence

Evidence relationship

SGLT2 Inhibitors and Postprandial and OGTT Glucose

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

BMI

Empagliflozin → BMI

Empagliflozin → BMI

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
100
Very Positive
ConsistencyScore™
100
consistent
Supporting studies: Based on 2 studies
Add to Evidence Tracker

Fasting blood sugar (FBS)

Empagliflozin → Fasting blood sugar (FBS)

Empagliflozin → Fasting blood sugar (FBS)

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
100
Very Positive
ConsistencyScore™
100
consistent
Supporting studies: Based on 2 studies
Add to Evidence Tracker

Glucose iAUC (OGTT)

Empagliflozin → Glucose iAUC (OGTT)

Empagliflozin → Glucose iAUC (OGTT)

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

Reduction in Hemoglobin A1C levels

Empagliflozin → Reduction in Hemoglobin A1C levels

Empagliflozin → Reduction in Hemoglobin A1C levels

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

Total daily insulin dose

Empagliflozin → Total daily insulin dose

Empagliflozin → Total daily insulin dose

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

Evidence Library

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evidence suggest

Evidence Suggest

  • Empagliflozin reduced Hemoglobin A1C by -0.18%, indicating improved glycemic control.
  • Fasting blood sugar levels decreased by -2.60 mg/dL, supporting the efficacy of empagliflozin.
  • Total daily insulin doses were reduced by -7.6 units, suggesting less insulin dependency.
who this applies

Who this applies to

  • Adults with type 1 diabetes
  • Patients currently using insulin therapy
keep in mind

Keep in Mind

  • Results may not apply to younger populations or those not on insulin.
  • The study's short duration limits understanding of long-term effects.
  • Further research is needed to confirm findings across diverse populations.
between the lines

Between the Lines

  • Limited generalizability due to specific population characteristics
  • Short duration of the study may not capture long-term effects
  • Potential for unmeasured confounders affecting outcomes

Evidence Library

Build your 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 SGLT2 Inhibitors and Body Mass Index, SGLT2 Inhibitors and Fasting Glucose.

Related evidence relationships

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 SGLT2 Inhibitors improve fasting glucose?

Strong Evidence

SGLT2 Inhibitors may improve Fasting Glucose.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Fasting blood sugar (FBS)

    EvidenceScore™ Moderate | EvidenceScore™ 69.0 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 11 supporting studies with consistent results and a positive effect signal.

Limitations

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

Does SGLT2 Inhibitors affect body mass index?

Strong Evidence

SGLT2 Inhibitors appears to improve Body Mass Index.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    BMI

    EvidenceScore™ Moderate | EvidenceScore™ 69.0 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 5 supporting studies with consistent results and a positive effect signal.

Limitations

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

Does SGLT2 Inhibitors improve postprandial and ogtt glucose?

Strong Evidence

SGLT2 Inhibitors may improve Postprandial and OGTT Glucose.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Glucose iAUC (OGTT)

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

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

Limitations

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

Does SGLT2 Inhibitors improve insulin resistance?

Moderate Evidence

SGLT2 Inhibitors may improve Insulin Resistance.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Total daily insulin dose

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

Why this answer: This answer is based on a small number of supporting studies and should be interpreted cautiously.

Limitations

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