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intravitreal injection of triamcinolone versus aflibercept for diabetic macular edema a randomized clinical trial

intravitreal injection of triamcinolone versus aflibercept for diabetic macular edema a randomized clinical trial

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20251031067835N1
Enrollment
52
Registered
2025-12-26
Start date
2025-11-22
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Diabetic macular edema. Diabetes mellitus due to underlying condition with unspecified diabetic retinopathy with macular edema

Interventions

Intervention 1: Intervention group 1: Participants in this group receive intravitreal aflibercept injection (2 mg/0.05 mL). Injections are administered monthly if the central subfield thickness (CST)

Sponsors

Shahid Beheshti University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Adults over 18 years old with diabetic macular edema (DME) Central macular thickness (CMT) greater than 300 micrometers (measured with a Heidelberg device) Visual acuity (VA) between 20/40 and 20/400 History of vitrectomy (at least 4 months before entering the study) Presentation to (or follow-up at) Torfeh and Imam Hossein hospitals

Exclusion criteria

Exclusion criteria: HgbA1C > 8 High-risk PDR requiring early PRP Previous treatment with intravitreal or peri-bulbar triamcinolone injection within the past 3 months History of intraocular surgery within the past 4 months History of vitrectomy performed for trauma management Presence of silicone oil in the vitreous cavity Macular edema due to a cause other than diabetic retinopathy Significant cataract causing more than 3 lines of visual acuity loss Uveitis, NVG, exudative AMD Uncontrolled glaucoma History of steroid-induced elevated IOP

Design outcomes

Primary

MeasureTime frame
Decrease in diabetic macular edema. Timepoint: before intervention and every month for 6 months. Method of measurement: optic coherence tomography.

Secondary

MeasureTime frame
Increase visual acuity. Timepoint: before intervention and every month for 6 months. Method of measurement: snellen chart.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactReihaneh Dehghani

Shahid Beheshti University of Medical Sciences

11reihaneh11.rd@gmail.com+98 21 7762 6550

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 7, 2026