Resumen de Investigación
Analyzed using Evidence Intelligence™

High-Dose Vitamin D May Prolong Remission in Type 1 Diabetes

Última actualización 5 de julio de 2026

Key finding

Serum 25-hydroxyvitamin D rose from 25 ng/mL to 65 ng/dL within 3 months.

This case report examined the effects of high-dose vitamin D therapy on partial clinical remission in a participant with Type 1 Diabetes.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

Non-randomized CT

Follow-up

Long-Term (1–5 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 case report examined the effects of high-dose vitamin D therapy on partial clinical remission in a participant with Type 1 Diabetes.

Clinical relevance

These findings highlight the potential role of vitamin D in diabetes management, particularly in Type 1 Diabetes. Improved glycemic control can lead to better health outcomes and reduced complications for patients. Understanding the impact of vitamin D could inform treatment strategies and enhance patient care.

Keep in mind

Single participant limits generalizability. Non-randomized design may introduce bias. Lack of control group reduces comparative analysis.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Adriana CG, Kristina C, Benjamin UN. High-Dose Vitamin D Therapy Prolongs Partial Clinical Remission in Type 1 Diabetes: A Case Report. Frontiers in Endocrinology. 2026;17:1788049. doi:10.3389/fendo.2026.1788049

Efectos Principales

Serum 25-hydroxyvitamin D increased from 25 ng/mL to 65 ng/dL.

Hemoglobin A1c decreased from 13.8% to persistently <7%.

Insulin-dose adjusted A1c decreased from 17 to <9.

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Vitamin D supplementation and HbA1c, Insulin-dose adjusted A1c (IDAA1c), Serum 25-hydroxyvitamin D, and 2 more.

Primary intervention

Vitamin D supplementation

Primary outcomes

  • HbA1c
  • Insulin-dose adjusted A1c (IDAA1c)
  • Serum 25-hydroxyvitamin D

Evidence relationships

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

5
Evidence pairs
5
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: 72

4

Related topics

5

Evidence pairs

1614

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 5 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

Tema de evidencia

Supplements and Nutraceuticals

matched_intervention_and_outcome

Evidencia relacionada

Tema de evidencia

CGM Time in Range

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

HbA1c

Vitamin D supplementation → HbA1c

Vitamin D supplementation → HbA1c

Evidence Intelligence™
EvidenceScore™
82
Strong
ImpactScore™
69
Positive
ConsistencyScore™
60
generally_consistent
Estudios de apoyo: Basado en 5 estudios
Add to Evidence Tracker

Insulin-dose adjusted A1c (IDAA1c)

Vitamin D supplementation → Insulin-dose adjusted A1c (IDAA1c)

Vitamin D supplementation → Insulin-dose adjusted A1c (IDAA1c)

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
Add to Evidence Tracker

Serum 25-hydroxyvitamin D

Vitamin D supplementation → Serum 25-hydroxyvitamin D

Vitamin D supplementation → Serum 25-hydroxyvitamin D

Evidence Intelligence™
EvidenceScore™
80
Strong
ImpactScore™
93
Very Positive
ConsistencyScore™
100
consistent
Estudios de apoyo: Basado en 6 estudios
Add to Evidence Tracker

Time in range

Vitamin D supplementation → Time in range

Vitamin D supplementation → Time in range

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Total daily insulin dose

Vitamin D supplementation → Total daily insulin dose

Vitamin D supplementation → Total daily insulin dose

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Evidence Library

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evidence suggest

La Evidencia Sugiere

  • Serum 25-hydroxyvitamin D rose by 40 ng/dL.
  • Hemoglobin A1c decreased by 6.8%.
  • Total daily dose of insulin decreased during therapy.
who this applies

A quién se aplica

  • Individuals diagnosed with Type 1 Diabetes.
  • Patients experiencing partial clinical remission.
  • Those considering vitamin D supplementation for diabetes management.
keep in mind

Tener en Cuenta

  • Findings are based on a single case report.
  • Results may not apply to all individuals with Type 1 Diabetes.
  • Further research is needed to confirm efficacy and safety.
between the lines

Entre Líneas

  • Single participant limits generalizability.
  • Non-randomized design may introduce bias.
  • Lack of control group reduces comparative analysis.

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 Vitamin D supplementation and HbA1c, Vitamin D supplementation and Adipokine and Angiogenic Markers.

Relaciones de evidencia relacionadas

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 Vitamin D supplementation lower HbA1c?

Strong Evidence

Vitamin D supplementation may lower HbA1c.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Strong | EvidenceScore™ 81.9 | moderate positive | ConsistencyScore™ Generally Consistent | 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 Vitamin D supplementation improve serum 25-hydroxyvitamin d?

Strong Evidence

Vitamin D supplementation appears to improve serum 25-hydroxyvitamin d.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Serum 25-hydroxyvitamin D

    EvidenceScore™ Strong | EvidenceScore™ 80.4 | strong positive | ConsistencyScore™ Consistent | 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 Vitamin D supplementation improve insulin-dose adjusted a1c (IDAA1C)?

Emerging Evidence

Vitamin D supplementation appears to improve insulin-dose adjusted a1c (IDAA1C).

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

Ranked evidence signals

  1. 1

    Insulin-dose adjusted A1c (IDAA1c)

    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 Vitamin D supplementation improve time in range?

Emerging Evidence

Current evidence does not show a clear benefit of Vitamin D supplementation for time in range.

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

Ranked evidence signals

  1. 1

    Time in range

    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.
1 supporting study
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