A basic study for the correlation between retinal oxygen tensor level and MRI cerebral perfusion parameters in patients with diabetic retinopathy of different stages

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900025998

Enrollment

Unknown

Registered

2019-09-17

Start date

2017-09-09

Completion date

Unknown

Last updated

2019-09-30

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

Conditions

diabetic retinopathy

Interventions

Normal group:cerebral perfusion

PDR group:cerebral perfusion

NPDR group:cerebral perfusion

Eligibility

Sex/Gender

All

Age

30 Years to 78 Years

Inclusion criteria

Inclusion criteria: Clinical diagnosis of diabetes and clear by fundus examination for proliferation retinopathy (20 cases of patients with retinal vascular hyperplasia) group (PDR), and the 20 patients with retinal change (NPDR group) and normal control group (NC group), 20 patients with normal control group selection criteria: in ophthalmology funduscopic examination without exception, sex and age matched nondiabetic patients

Exclusion criteria

Exclusion criteria: Exclude hypertension, pulmonary heart disease, acute complications of diabetes, acute infectious diseases, primary nephropathy, hyperthyroidism, heart failure, tumor and other major diseases

Design outcomes

Primary

Measure	Time frame
Cerebral perfusion parameter;	—

Countries

China

Contacts

Public ContactShao Juwei

The Second People's Hospital of Yunnan Province

823579794@qq.com+86 13999992349

Outcome results

None listed

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