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RECRUITING
NCT07249216
NA

Identification of Molecular Signals in Vitreous Humor Associated With Suboptimal Response to Vascular Endothelial Growth Factor (VEGF) Inhibition in Neovascular Age-related Macular Degeneration (nAMD) Within a Clinical Trial Setting

Sponsor: Singapore National Eye Centre

View on ClinicalTrials.gov

Summary

Neovascular age-related macular degeneration (nAMD), also called wet AMD, can cause serious vision loss. While anti-VEGF (anti Vascular Endothelial Growth Factor) treatments such as ranibizumab help many patients, about 20 40% have a suboptimal response. In this study, the investigators want to identify other factors (beyond VEGF) that might be driving the disease in these non-responding patients. By looking at samples from inside the eye (vitreous humor) and comparing "good responders" to "suboptimal responders", the investigators hope to find potential new treatment approaches or biomarkers for nAMD.

Official title: Identification of Molecular Signals in Vitreous Humor Associated With Suboptimal Response to VEGF Inhibition in nAMD Within a Clinical Trial Setting

Key Details

Gender

All

Age Range

50 Years - Any

Study Type

INTERVENTIONAL

Enrollment

117

Start Date

2025-07-18

Completion Date

2029-07

Last Updated

2025-11-25

Healthy Volunteers

No

Interventions

DRUG

Faricimab

All study eyes will start on the intravitreal ranibizumab loading phase, with the initial injection given within two weeks of the screening visit and overall of x 3 monthly injections. At week 12, patients will be evaluated for their response following the loading phase. Patients who show an absence of IRF, absence of or ≤100µm subretinal fluid (SRF), and no new hemorrhage will be categorized as good responders and will continue with four further monthly intravitreal ranibizumab. Suboptimal responders (defined as the presence of subretinal fluid \> 100 µm, any intraretinal fluid (IRF), or a new hemorrhage) will switch to four doses of monthly intravitreal faricimab.

DRUG

Ranibizumab

All study eyes will start on the intravitreal ranibizumab loading phase, with the initial injection given within two weeks of the screening visit and overall of x 3 monthly injections. At week 12, patients will be evaluated for their response following the loading phase. Patients who show an absence of IRF, absence of or ≤100µm SRF, and no new hemorrhage will be categorized as good responders and will continue with four further monthly intravitreal ranibizumab. Suboptimal responders (defined as the presence of subretinal fluid \> 100 µm, any intraretinal fluid (IRF), or a new hemorrhage) will switch to four doses of monthly intravitreal faricimab.

Locations (1)

Singapore National Eye Centre/Singapore Eye Research Institute

Singapore, Singapore