Analysis of differences between preoperative and postoperative application of Conbercept in high-risk diabetic retinopathy patients without macular edema

Status

Recruiting

Phases

Phase 4

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900024203

Enrollment

Unknown

Registered

2019-06-30

Start date

2019-07-01

Completion date

Unknown

Last updated

2019-07-01

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

Conditions

diabetic retinopathy

Interventions

Group A:Anti-vegf drugs were followed by PRP

Group B:PRP, anti-vegf drug when necessary

Eligibility

Sex/Gender

All

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1. Informed consent must be signed prior to performing any study-related assessment. 2. High-risk diabetic retinopathy patients without macular edema. 3. Chinese male or female patients aged >=18 years.

Exclusion criteria

Exclusion criteria: 1. Patients cannot follow study or follow-up procedures. 2. Patients who had received retinal photocoagulation before treatment. 3. Patients who had been treated with anti-vegf drugs for 3 months.

Design outcomes

Primary

Measure	Time frame
Macular blood flow density;Visual field;vision;	—

Countries

China

Contacts

Public ContactShi Depeng

Shandong Eye Institute

sdp5300117@126.com+86 13953284579

Outcome results

None listed

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