An observational study of differences in retinal blood flow and photoreceptor cells between diabetic retinopathy (DR) and non-DR patients

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2400091610

Enrollment

Unknown

Registered

2024-10-31

Start date

2024-01-09

Completion date

Unknown

Last updated

2024-11-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

diabetic retinopathy

Interventions

DR GROUP:Na

non-DR GROUP:Na

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Participants over 18 years old, healthy or with diabetes or impaired glucose tolerance.

Exclusion criteria

Exclusion criteria: 1.Severe cardiac insufficiency, or liver or kidney insufficiency; 2.Poor fixation and serious opacity of refractive media; 3.Patients with high myopia (> -6.0 d) , retinal detachment, nystagmus, ptosis and other fundus lesions; 4.Patients with gestational diabetes.

Design outcomes

Primary

Measure	Time frame
Retinal arterial parameters;Cone parameters;	—

Secondary

Measure	Time frame
Best corrected visual acuity;Intraocular pressure;Optical Coherence Tomography;Optical Coherence Tomography angiography;Fundus fluorescein angiography 55°;Fundus photography;	—

Countries

China

Contacts

Public ContactKun Liu

Shanghai General Hospital

drliukun@sjtu.edu.cn+86 189 1798 9522

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026