NCT04805541

Brief Summary

The duration of diabetes is directly related to eye complications. Diabetic retinopathy affects 80 percent of those who have had diabetes for 20 years or more. At least 90% of new cases can be reduced with proper treatment and monitoring of the eyes. The longer a person has diabetes, the more likely it is to develop diabetic retinopathy. Each year in the United States, diabetic retinopathy accounts for 12% of all new cases of blindness. It is also the leading cause of blindness in people between the ages of 20 and 64. The most important complication of diabetes leading to vision loss is diabetic retinopathy. Depending on this, macular edema, bleeding into the retina and vitreous,neovascular glaucoma can cause blindness. Diabetic retinopathy (DR) is a leading cause of vision-loss globally. Of an estimated 285 million people with diabetes mellitus worldwide, approximately one third have signs of DR and of these, a further one third of DR is vision-threatening DR, including diabetic macular edema (DME). Diabetic retinopathy is a retinal disease that can often be stopped with early diagnosis, but if neglected, it can lead to severe vision loss, including permanent blindness. Diabetes has high morbidity and there are millions of people who should be screened for diabetic retinopathy (DR). Annual eye screening is recommended for all diabetic patients since vision loss can be prevented if DR is diagnosed in its early stages. Currently, the number of clinical personnel trained for DR screening is less than that needed to screen a growing diabetic population. Therefore, the automatic DR screening system will be able to screen more diabetic patients and diagnose them early. EyeCheckup is an automated retinal screening device designed automatically analyze color fundus photographs of diabetic patients to identify patients with referable or vision threatening DR. This study is designed to assess the safety and efficacy of EyeCheckup. The study is a single center study to determine the sensitivity and specificity of EyeCheckup to diabetic retinopathy. EyeCheckup is an automated software device that is designed to analyze ocular fundus digital color photographs taken in frontline primary care settings in order to quickly screen for diabetic retinopathy (DR).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
900

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Feb 2022

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 15, 2021

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 18, 2021

Completed
11 months until next milestone

Study Start

First participant enrolled

February 1, 2022

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 4, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 4, 2022

Completed
2 years until next milestone

Results Posted

Study results publicly available

July 15, 2024

Completed
Last Updated

July 15, 2024

Status Verified

January 1, 2024

Enrollment Period

5 months

First QC Date

March 15, 2021

Results QC Date

April 25, 2023

Last Update Submit

January 31, 2024

Conditions

Outcome Measures

Primary Outcomes (4)

  • Sensitivity(mtmDR)

    Sensitivity for detecting more than mild diabetic retinopathy

    1 visit (1 day)

  • Sensitivity(vtDR)

    Sensitivity for detecting vision threatening diabetic retinopathy

    1 visit (1 day)

  • Specificity(mtmDR)

    Specificity for detecting more than mild diabetic retinopathy

    1 visit (1 day)

  • Specificity(vtDR)

    Specificity for detecting vision threatening diabetic retinopathy

    1 visit (1 day)

Secondary Outcomes (2)

  • Diagnosability

    1 Day

  • Non-Dilated EyeCheckup Usage

    1 Day

Interventions

Subjects will undergo fundus photography before and after administration of mydriatic agent.

Subjects will be administered mydriatic medication to dilate their pupils.

Also known as: Tropicamide drops

Screening for existence of "More than mild" or "Vision-threatening" Diabetic Retinopathy, and/or Diabetic Macular Edema.

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

* Primary care clinic - invitation to volunteer, * Diabetic Patients * Eighteen years of age or older * Have been referred to an ophthalmologist for eye examination to screen for diabetic retinopathy * Diseases Polyclinic with the diagnosis of diabetes and were able to view the posterior polar region of the eye with an ophthalmic camera. 900 volunteer patients who applied to the Akdeniz University Endocrinology and Metabolic

You may qualify if:

  • A diagnosis of diabetes mellitus
  • Understanding of study and provision of written informed consent
  • years of age or older
  • No history of any other retinal vascular disease, glaucoma, or other disease that may affect the appearance of the retina or optic disc (refractive error and ocular surface disease are allowed)
  • Other than cataract surgery, no history of intraocular surgery, ocular laser treatments for any retinal disease, or ocular injections for diabetic macular edema or proliferative disease No media opacity precluding good retinal photography

You may not qualify if:

  • No diagnosis of diabetes mellitus
  • Potential subject cannot understand study or informed consent
  • A history of retinal vascular disease other than diabetic retinopathy that may affect the appearance of the retina or optic disc
  • Previous intraocular surgery including cataract; previous laser to the retina; or previous intraocular injections for the treatment of diabetic retinopathy
  • Pregnant women or women with gestational diabetes mellitus
  • A media opacity in either eye that is severe enough to preclude good retinal photography
  • Permanent vision impairment in one or both eyes
  • The participant is contraindicated for imaging with fundus imaging systems used in the study:
  • Participant is hypersensitive to light
  • Participant recently received photodynamic therapy (PDT)
  • Participant uses drugs that cause photosensitivity

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Akdeniz University Hospital

Antalya, 07070, Turkey (Türkiye)

Location

Related Publications (2)

  • Aydemir M, Bilgin AB, Sari R, Dogan ME, Bulut M, Akar Y. Assessment of Correlation Between Diabetic Retinopathy and Metabolic Biomarkers Using Artificial Intelligence. J Diabetes Res. 2026 Jan 14;2026:9085827. doi: 10.1155/jdr/9085827. eCollection 2026.

  • Dogan ME, Bilgin AB, Sari R, Bulut M, Akar Y, Aydemir M. Head to head comparison of diagnostic performance of three non-mydriatic cameras for diabetic retinopathy screening with artificial intelligence. Eye (Lond). 2024 Jun;38(9):1694-1701. doi: 10.1038/s41433-024-03000-9. Epub 2024 Mar 11.

MeSH Terms

Conditions

Diabetic Retinopathy

Interventions

Mydriatics

Condition Hierarchy (Ancestors)

Retinal DiseasesEye DiseasesDiabetic AngiopathiesVascular DiseasesCardiovascular DiseasesDiabetes ComplicationsDiabetes MellitusEndocrine System Diseases

Intervention Hierarchy (Ancestors)

Autonomic AgentsPeripheral Nervous System AgentsPhysiological Effects of DrugsPharmacologic ActionsChemical Actions and Uses

Results Point of Contact

Title
Prof.Dr. Ahmet Burak Bilgin
Organization
Akdeniz University

Study Officials

  • A Burak Bilgin, Assoc. Prof.

    Instructor, Retinal Surgeon, Academic Advisor

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 15, 2021

First Posted

March 18, 2021

Study Start

February 1, 2022

Primary Completion

July 4, 2022

Study Completion

July 4, 2022

Last Updated

July 15, 2024

Results First Posted

July 15, 2024

Record last verified: 2024-01

Data Sharing

IPD Sharing
Will not share

No individual data will be shared.

Locations