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To compare the clinical efficacy and safety of vitrectomy combined with and without macular detachment to treat diabetic macular edema poorly responses to anti-VEGF therapy: a retrospective study based on medical records

Vitrectomy combined with or without intentional macular detachment to treat diabetic macular edema poorly responses to anti-VEGF therapy: a retrospective study based on medical records

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000031844
Enrollment
Unknown
Registered
2020-04-12
Start date
2020-04-06
Completion date
Unknown
Last updated
2020-04-13

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

Conditions

diabetic macular edema

Interventions

vitrectomy with or without resultant intentional macular detachment group:N/A

Sponsors

Department of Ophthalmology in Central Theater General Hospital of PLA
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: The inclusion criterion for eyes with diffused DME included: 1) Aged 18-80 years old (inclusive); 2) BCVA below 40 Early Treatment Diabetic Retinopathy Study (ETDRS) letters; 3) Central subfield macular thickness (CSMT) exceeding 300 um; 4) Poor response to treatment with intravitreal anti-VEGF therapy, with poorly responsive defined as a worsening of vision loss at least five ETDRS letters, or less than a 50 um reduction in CMST after at least three monthly injections .

Exclusion criteria

Exclusion criteria: Exclusion criteria were as follows: 1) the presence of diabetic optic atrophy; 2) the presence of proliferative diabetic retinopathy; 3) the presence of neovascular glaucoma; 4) the presence of macular traction in OCT imaging; 5) the presence of macular ischemia; 6) eyes with a history of macular grid laser photocoagulation for diffused DME, or otherwise local photocoagulation directed to microaneurysms; 7) systemic diseases, such as malignancies and inflammatory disorders, uncontrolled hypertension defined as a resting arterial blood pressure higher than 140/90 mmHg, or renal failure requiring dialysis therapy.

Design outcomes

Primary

MeasureTime frame
Changes in best-corrected visual acuity;Changes in the central retinal thickness ;

Countries

China

Contacts

Public ContactXiao Chen

Department of Ophthalmology in Central Theater General Hospital of PLA

cxfn817@163.com+86 27 50772551

Outcome results

None listed

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