Diabetic Retinopathy Prevalence And Risk Factors

NCT07468058 | Recruiting

• 1 other identifier: 2025/BVGĐ -HĐĐĐ
• Study Type: observational
• Target: 300
• Locations: 1 country
• Sites: 1

Brief Summary

The goal of this retrospective observational study is to evaluate the prevalence and severity of diabetic retinopathy (DR) and to identify associated risk factors among patients with diabetes mellitus at Gia Dinh Family Hospital in Da Nang, Vietnam. The main questions it aims to answer are:

1. 1.What is the prevalence and distribution of different stages of diabetic retinopathy among diabetic patients at this hospital?
2. 2.Which clinical and laboratory factors are associated with the presence of diabetic retinopathy?

Conditions

Diabetic Retinopathy (DR)

Outcome Measures

Primary Outcomes (1)

• Prevalence of diabetic retinopathy (any stage)

  To determine the prevalence of diabetic retinopathy among patients with diabetes mellitus.

  At baseline (data collected at the time of retinal examination during the study period, January-September 2025)

Interventions

fundus examination and optical coherence tomography (OCT) OTHER

Patients will be identified through the Ehealth program at the Family Hospital, Da Nang. All diabetic patients who visited the Center of Endocrinology and Diabetes and had ophthalmologic examination, including fundus examination and optical coherence tomography (OCT), during the study period will be screened for eligibility

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Probability Sample

Study Population

This hospital-based retrospective cohort study included adult patients with diabetes mellitus who attended the Endocrinology-Diabetes Center and underwent ophthalmologic evaluation at the Eye Clinic of Family General Hospital, Da Nang, Vietnam, between January 2025 and September 2025.

You may qualify if:

• Diagnosed diabetes mellitus (type 1 or type 2) according to ADA criteria
• Underwent ophthalmic examination including dilated fundus examination and OCT
• Available electronic medical records with key clinical and laboratory data

You may not qualify if:

• Gestational diabetes mellitus
• Media opacity precluding fundus examination (advanced cataract, corneal opacity, dense vitreous hemorrhage)
• Other retinal diseases (e.g., hypertensive retinopathy, retinal vein occlusion)
• History of ocular trauma or intraocular surgery within 6 months

Sponsors & Collaborators

• Da Nang Family General Hospital: lead

Study Sites (1)

Department of Endocrinology and Diabetes

Da Nang, 50000, Vietnam

RECRUITING

MeSH Terms

Conditions

Diabetic Retinopathy

Interventions

Tomography, Optical Coherence

Condition Hierarchy (Ancestors)

Retinal Diseases; Eye Diseases; Diabetic Angiopathies; Vascular Diseases; Cardiovascular Diseases; Diabetes Complications; Diabetes Mellitus; Endocrine System Diseases

Intervention Hierarchy (Ancestors)

Tomography, Optical; Optical Imaging; Diagnostic Imaging; Diagnostic Techniques and Procedures; Diagnosis; Tomography; Investigative Techniques

Study Officials

• Thao Nguyen Ngoc, Doctor of Medicine

  Family Hospital, Da Nang, Vietnam

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Thảo Nguyễn, MD

CONTACT

84335393897; ngocthao090897@gmail.com

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: RETROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: February 25, 2026
• First Posted: March 12, 2026
• Study Start: November 25, 2025
• Primary Completion: March 15, 2026
• Study Completion: March 30, 2026
• Last Updated: March 12, 2026

Record last verified: 2025-11

Locations

VN (1)