Resumen de Investigación
Analyzed using Evidence Intelligence™

Curcumin-Piperine Improves Mental Health and Sleep in Diabetic Retinopathy

Última actualización 19 de junio de 2026

Key finding

Quality of sleep decreased by 0.91 ± 1.28

The study evaluated the effects of a curcumin-piperine combination on mental health and physical factors in diabetic retinopathy patients, showing significant improvements in various outcomes.

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

The study evaluated the effects of a curcumin-piperine combination on mental health and physical factors in diabetic retinopathy patients, showing significant improvements in various outcomes.

Clinical relevance

These findings suggest that curcumin and piperine may offer a complementary approach to managing mental health and physical health issues in patients with diabetic retinopathy, potentially enhancing their overall quality of life. Given the prevalence of mental health issues in chronic disease populations, this combination could be a valuable addition to treatment protocols.

Keep in mind

Limited sample size may affect generalizability Short duration of the study may not capture long-term effects Potential for unmeasured confounders impacting results

Published in

Referencia de la Revista

Publication details and source links for this paper.

Sepide A, Alireza D, Amirhossein S, et al. The Effect of Curcumin-Piperine Combination on Mental Health and Anthropometric Indices in Patients with Diabetic Retinopathy: A Randomized Controlled Trial. International Journal of Preventive Medicine. 2026;17:14. doi:10.4103/ijpvm.ijpvm_276_23

Efectos Principales

Quality of sleep improved, decreasing by 0.91 ± 1.28 (p=0.025)

Depression decreased by 1.61 ± 2.23 (p=0.001)

Anxiety decreased by 1.31 ± 2.23 (p=0.005)

Body Mass Index (BMI) decreased by 0.08 ± 0.15 (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 Curcumin plus piperine and Anxiety score, BMI, Depression score, and 3 more.

Primary intervention

Curcumin plus piperine

Primary outcomes

  • Anxiety score
  • BMI
  • Depression score

Evidence topics

Primary intervention

Evidence relationships

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

6
Evidence pairs
6
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: 63

1

Related topics

6

Evidence pairs

177

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 6 evidence relationships
  • Includes primary outcome data
  • Linked to 1 direct semantic evidence topic

Topic contributions

Evidence topic

Contributes evidence

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Evidencia principal

Relación de evidencia

Curcumin Supplements and Body Mass Index

Evidencia relacionada

Relación de evidencia

Curcumin Supplements and Quality of Life Outcomes

Guardar evidencia

Relación de evidencia

Curcumin Supplements and Body Composition

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

Anxiety score

Curcumin plus piperine → Anxiety score

Curcumin plus piperine → Anxiety score

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

BMI

Curcumin plus piperine → BMI

Curcumin plus piperine → BMI

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

Depression score

Curcumin plus piperine → Depression score

Curcumin plus piperine → Depression score

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

Sleep quality

Curcumin plus piperine → Sleep quality

Curcumin plus piperine → Sleep quality

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

Stress score

Curcumin plus piperine → Stress score

Curcumin plus piperine → Stress score

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

Waist circumference

Curcumin plus piperine → Waist circumference

Curcumin plus piperine → Waist circumference

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

Evidence Library

Build your evidence library

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evidence suggest

La Evidencia Sugiere

  • Quality of sleep improved significantly with a decrease of 0.91 points.
  • Depression levels decreased significantly by 1.61 points.
  • Anxiety levels decreased significantly by 1.31 points.
who this applies

A quién se aplica

  • Adults diagnosed with diabetic retinopathy
  • Patients experiencing mental health issues such as depression and anxiety
keep in mind

Tener en Cuenta

  • Results may not be applicable to all diabetic retinopathy patients.
  • Further research is needed to confirm long-term effects.
  • The study did not assess other potential confounding factors.
between the lines

Entre Líneas

  • Limited sample size may affect generalizability
  • Short duration of the study may not capture long-term effects
  • Potential for unmeasured confounders impacting results

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 Curcumin Supplements and Mental Health, Curcumin Supplements and Body Mass Index.

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 Curcumin Supplements improve quality of life outcomes?

Moderate Evidence

Curcumin Supplements may improve Quality of Life Outcomes.

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

Evidence caveat: The available evidence reports mixed findings.

Ranked evidence signals

  1. 1

    Sleep quality

    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 Curcumin Supplements affect body mass index?

Moderate Evidence

Curcumin Supplements may improve Body Mass Index.

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

Evidence caveat: The available evidence reports mixed findings.

Ranked evidence signals

  1. 1

    BMI

    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 Curcumin Supplements improve mental health?

Emerging Evidence

Curcumin Supplements appears to improve Mental Health.

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

Ranked evidence signals

  1. 1

    Anxiety score

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

  2. 2

    Depression score

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

  3. 3

    Stress score

    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

Does Curcumin Supplements improve body composition?

Emerging Evidence

Curcumin Supplements appears to improve Body Composition.

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

Ranked evidence signals

  1. 1

    Waist circumference

    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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