Research Summary
Analyzed using Evidence Intelligence™

Empagliflozin improves nighttime glycemia in type 1 diabetes

Last updated August 18, 2026

Key finding

HbA1c improved from 8.03±0.91 to 7.62±0.15% over the 8-week baseline to end-of-treatment periods (p<0.0001).

Empagliflozin added to insulin therapy in adults with type 1 diabetes.

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

Empagliflozin added to insulin therapy in adults with type 1 diabetes.

Clinical relevance

This study evaluated Empagliflozin added to insulin therapy in adults with type 1 diabetes.

Keep in mind

Limitations were not clearly described in the extracted text.

Published in

Journal Reference

Publication details and source links for this paper.

Bruce AP, David ZIC, Nima S, et al. Empagliflozin Improves Nighttime Glycemia in Adults with Type 1 Diabetes. PLOS ONE. 2015;10(11):e0141085. doi:10.1371/journal.pone.0141085

Evidence network

How this study fits

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Evidence Context

This study contributes evidence to Empagliflozin and Glucose variability, HbA1c, Time to glycemic target.

Primary intervention

Empagliflozin

Primary outcomes

  • Glucose variability
  • HbA1c
  • Time to glycemic target

Evidence relationships

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

3
Evidence pairs
3
Relationships
3
Evidence topics
contributes_evidence

Editorial context

Why this study matters

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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

3

Related topics

3

Evidence pairs

652

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 3 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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Primary evidence

Evidence relationship

SGLT2 Inhibitors and HbA1c

Related evidence

Evidence relationship

SGLT2 Inhibitors and CGM Time in Range

Save evidence

Evidence relationship

SGLT2 Inhibitors and Glucose Variability

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Core evidence

Study findings

The primary outcomes reported in this study.

Glucose variability

Empagliflozin → Glucose variability

Empagliflozin → Glucose variability

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

HbA1c

Empagliflozin → HbA1c

Empagliflozin → HbA1c

Evidence Intelligence™
EvidenceScore™
85
Strong
ImpactScore™
81
Positive
ConsistencyScore™
88
consistent
Supporting studies: Based on 8 studies
Add to Evidence Tracker

Time to glycemic target

Empagliflozin → Time to glycemic target

Empagliflozin → Time to glycemic target

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

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 HbA1c, SGLT2 Inhibitors and Glucose Variability.

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 HbA1c?

Strong Evidence

SGLT2 Inhibitors may improve HbA1c.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

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

Why this answer: This answer is based on 16 supporting studies with consistent results and a positive effect signal.

Limitations

  • Population details are unavailable.
16 supporting studiesUpdated: Aug 2026

Does SGLT2 Inhibitors improve cgm time in range?

Strong Evidence

SGLT2 Inhibitors may improve CGM Time in Range.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    Time to glycemic target

    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: Aug 2026

Does SGLT2 Inhibitors improve glucose variability?

Emerging Evidence

Current evidence does not show a clear benefit of SGLT2 Inhibitors for Glucose Variability.

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

Ranked evidence signals

  1. 1

    Glucose variability

    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.
1 supporting studyUpdated: Aug 2026
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