Research Summary
Analyzed using Evidence Intelligence™

Insulin Glargine and Detemir show similar effects on appetite hormones

Last updated September 2, 2026

Key finding

HbA1C decreased significantly after treatment with Insulin Glargine.

This study compared the effects of Insulin Glargine and Insulin Detemir on appetite hormones in individuals with Type 1 Diabetes, finding significant reductions in various health markers with Insulin Glargine.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Extended (5–20+ y)

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 compared the effects of Insulin Glargine and Insulin Detemir on appetite hormones in individuals with Type 1 Diabetes, finding significant reductions in various health markers with Insulin Glargine.

Clinical relevance

These findings are clinically significant as they suggest that Insulin Glargine may be a more effective treatment option for managing blood sugar and cholesterol levels in patients with Type 1 Diabetes. Improved management of these markers can lead to better overall health outcomes and reduced risk of complications associated with diabetes.

Keep in mind

The study included a limited sample size. Findings may not be generalizable to all populations with Type 1 Diabetes. The study did not assess long-term effects of the interventions.

Published in

Journal Reference

Publication details and source links for this paper.

Maryam R, Hosein M, Mona N, et al. Comparison of Insulin Glargine and Detemir Effects on Appetite Hormones in Type 1 Diabetes. Iranian Journal of Pharmaceutical Research : IJPR. 2021;20(3):647-653. doi:10.22037/ijpr.2021.114841.15059

Main Effects

Insulin Glargine reduced HbA1C by 1.9% (p=0.013).

Insulin Glargine decreased cholesterol levels by 33.19 mg/dL (p=0.006).

Insulin Glargine lowered LDL cholesterol by 15.43 mg/dL (p=0.026).

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Detemir, Sequential addition of metformin followed by glipizide and insulin glargine and AGRP, HDL cholesterol, HbA1c, and 2 more.

Primary intervention

Detemir

Primary outcomes

  • AGRP
  • HDL cholesterol
  • HbA1c

Evidence topics

Primary intervention

Primary outcomes

Evidence relationships

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

10
Evidence pairs
10
Relationships
1
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: 59

1

Related topics

10

Evidence pairs

506

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 10 evidence relationships
  • Includes primary outcome data
  • Linked to 1 direct semantic evidence topic

Topic contributions

Evidence topic

Contributes evidence

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Primary evidence

Evidence topic

HbA1c Reduction

matched_outcome

Core evidence

Study findings

The primary outcomes reported in this study.

AGRP

Detemir → AGRP

Detemir → AGRP

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

Detemir → HbA1c

Detemir → HbA1c

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

HDL cholesterol

Detemir → HDL cholesterol

Detemir → HDL cholesterol

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

LDL cholesterol

Detemir → LDL cholesterol

Detemir → LDL cholesterol

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

Mean leptin level change

Detemir → Mean leptin level change

Detemir → Mean leptin level change

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

AGRP

Sequential addition of metformin followed by glipizide and insulin glargine → AGRP

Sequential addition of metformin followed by glipizide and insulin glargine → AGRP

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

HbA1c

Sequential addition of metformin followed by glipizide and insulin glargine → HbA1c

Sequential addition of metformin followed by glipizide and insulin glargine → HbA1c

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
75
Positive
ConsistencyScore™
35
mixed
Supporting studies: Based on 2 studies
Add to Evidence Tracker

HDL cholesterol

Sequential addition of metformin followed by glipizide and insulin glargine → HDL cholesterol

Sequential addition of metformin followed by glipizide and insulin glargine → HDL cholesterol

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
25
Negative
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

LDL cholesterol

Sequential addition of metformin followed by glipizide and insulin glargine → LDL cholesterol

Sequential addition of metformin followed by glipizide and insulin glargine → LDL cholesterol

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

Mean leptin level change

Sequential addition of metformin followed by glipizide and insulin glargine → Mean leptin level change

Sequential addition of metformin followed by glipizide and insulin glargine → Mean leptin level change

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
25
Negative
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

  • Insulin Glargine significantly decreased HbA1C levels.
  • Cholesterol and LDL cholesterol levels were significantly reduced with Insulin Glargine.
  • No significant changes were observed with Insulin Detemir.
who this applies

Who this applies to

  • Adults with Type 1 Diabetes.
  • Participants undergoing insulin therapy.
keep in mind

Keep in Mind

  • Results are based on a specific population and may not apply universally.
  • Further research is needed to confirm long-term effects.
  • The study did not explore potential side effects of the insulin types.
between the lines

Between the Lines

  • The study included a limited sample size.
  • Findings may not be generalizable to all populations with Type 1 Diabetes.
  • The study did not assess long-term effects of the interventions.

Evidence Library

Build your evidence library

Save research, organize studies, and quickly find important evidence again.

Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Sequential addition of metformin followed by glipizide and insulin glargine and HbA1c, Detemir and AGRP.

Related evidence relationships

Explore in Evidence Explorer

This study contributes to the evidence on the following intervention-outcome relationships.

Detemir → AGRP

Medications

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
View evidence

Included in these evidence collections

Curated evidence collections and hubs this study is part of.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Sequential addition of metformin followed by glipizide and insulin glargine lower HbA1c?

Moderate Evidence

Sequential addition of metformin followed by glipizide and insulin glargine may lower HbA1c.

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

Evidence caveat: The available evidence reports mixed findings.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Moderate | EvidenceScore™ 69.0 | moderate positive | ConsistencyScore™ Mixed | 1 study

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

Limitations

  • Only one supporting study is available.
1 supporting study

Does Detemir lower HbA1c?

Emerging Evidence

Detemir appears to lower HbA1c.

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

Ranked evidence signals

  1. 1

    HbA1c

    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.
1 supporting study

Does Sequential addition of metformin followed by glipizide and insulin glargine improve agrp?

Emerging Evidence

Sequential addition of metformin followed by glipizide and insulin glargine appears to improve agrp.

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

Ranked evidence signals

  1. 1

    AGRP

    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.
1 supporting study

Does Sequential addition of metformin followed by glipizide and insulin glargine improve ldl cholesterol?

Emerging Evidence

Sequential addition of metformin followed by glipizide and insulin glargine appears to improve ldl cholesterol.

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

Ranked evidence signals

  1. 1

    LDL cholesterol

    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.
1 supporting study
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