NCT04213430

Brief Summary

Retinal images can reflect both fundus and systemic conditions (diabetes and cardiovascular disease) and firstly to be used for medical artificial intelligence (AI) algorithm training due to its advantages of clinical significance and easy to obtain. Here, the investigators developed a single network model that can mine the characteristics among multiple fundus diseases, which was trained by plenty of fundus images with one or several disease labels (if they have) in each of them. The model performance was compared with those of both native and international ophthalmologists. The model was further tested by datasets with different camera types and validated by three external datasets prospectively collected from the clinical sites where the model would be applied.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
300,000

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jan 2014

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

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

Study Start

First participant enrolled

January 1, 2014

Completed
6 years until next milestone

First Submitted

Initial submission to the registry

December 23, 2019

Completed
7 days until next milestone

First Posted

Study publicly available on registry

December 30, 2019

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2020

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2020

Completed
Last Updated

December 30, 2019

Status Verified

December 1, 2019

Enrollment Period

6.1 years

First QC Date

December 23, 2019

Last Update Submit

December 24, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • Area under the receiver operating characteristic curve of the deep learning system

    The investigators will calculate the area under the receiver operating characteristic curve of deep learning system and compare this index between deep learning system and human doctors.

    baseline

Secondary Outcomes (2)

  • Sensitivity of the deep learning system

    baseline

  • Specificity of the deep learning system

    baseline

Study Arms (3)

Training dataset

Retinal images collected from hospitals and multiple screening sites all over China

Validation dataset

Retinal images separated from training dataset

Other: diagnostic

Testing dataset

Retinal images prospectively collected from the hospitals and ocular disease screening sites totally different from training dataset

Other: diagnostic

Interventions

Training dataset was used to train the deep learning model, which was validated and tested by other two datasets.

Testing datasetValidation dataset

Eligibility Criteria

Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Retinal images were collected from different health care institutes all over China and other countries around the world.

You may qualify if:

  • The quality of fundus images should clinical acceptable. More than 80% of the fundus image area including four main regions (optic disk, macular, upper and lower retinal vessel archs) are easy to read and discriminate.

You may not qualify if:

  • Images with light leakage (\>30% of area), spots from lens flares or stains, and overexposure were excluded from further analysis.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Zhongshan Ophthalmic Center, Sun Yat-sen Univerisity

Guangzhou, Guangdong, 510060, China

RECRUITING

Related Publications (1)

  • Lin D, Xiong J, Liu C, Zhao L, Li Z, Yu S, Wu X, Ge Z, Hu X, Wang B, Fu M, Zhao X, Wang X, Zhu Y, Chen C, Li T, Li Y, Wei W, Zhao M, Li J, Xu F, Ding L, Tan G, Xiang Y, Hu Y, Zhang P, Han Y, Li JO, Wei L, Zhu P, Liu Y, Chen W, Ting DSW, Wong TY, Chen Y, Lin H. Application of Comprehensive Artificial intelligence Retinal Expert (CARE) system: a national real-world evidence study. Lancet Digit Health. 2021 Aug;3(8):e486-e495. doi: 10.1016/S2589-7500(21)00086-8.

MeSH Terms

Conditions

Eye Diseases

Central Study Contacts

Haotian Lin, PhD

CONTACT

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
OTHER
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Prof.

Study Record Dates

First Submitted

December 23, 2019

First Posted

December 30, 2019

Study Start

January 1, 2014

Primary Completion

February 1, 2020

Study Completion

May 1, 2020

Last Updated

December 30, 2019

Record last verified: 2019-12

Data Sharing

IPD Sharing
Will not share

Locations