A Study to Evaluate the Safety and Efficacy of THR-317 for the Treatment of Diabetic Macular Oedema (DME)

A Phase 2, Single-masked, Multicentre Study to Evaluate the Safety and Efficacy of 2 Dose Levels of THR-317 for the Treatment of Diabetic Macular Oedema (DME)

This study is conducted to evaluate the safety of THR-317 when administered intravitreally and to assess the compound's efficacy in improving best-corrected visual acuity (BCVA) and reducing central subfield thickness (CST) in subjects with centre-involved diabetic macular oedema (DME).

Inclusion criteria:

• Male or female aged 18 years or older
• Type 1 or type 2 diabetes
• Centre-involved DME with CST ≥ 340µm on Spectralis SD-OCT or ≥ 320µm on non-Spectralis SD OCT, in the study eye
• Reduced vision primarily due to DME, with BCVA between 72 and 23 ETDRS letters read at 4 meters (20/40 and 20/320 Snellen equivalent) in the study eye
• Anti-vascular endothelial growth factor (anti-VEGF) treatment naïve study eye or poor response to prior anti-VEGF treatment in the study eye
• Non-proliferative diabetic retinopathy, or stable proliferative diabetic retinopathy without neovacularisation at the disc
• Written informed consent obtained from the subject prior to screening procedures

Exclusion criteria:

• Concurrent disease in the study eye, other than DME, that could compromise BCVA, require medical or surgical intervention during the study period or could confound interpretation of the results
• Previous treatments / procedures in the study eyes as follows, or their planned use during the THR-317 treatment period for up to 30 days after the last injection: panretinal or focal / grid laser photocoagulation [3 months], anti-VEGF treatment [any time for anti-VEGF naïve subjects; 4 weeks for subjects with a poor response to anti-VEGF treatment], intra-ocular or peri-ocular corticosteroids [4 months], steroid implant [any time], intra-ocular surgery [3 months], vitrectomy [any time]
• Any active ocular / intra-ocular infection or inflammation in either eye
• Aphakic study eye
• Untreated diabetes
• Glycated haemoglobin A (HbA1c) > 12%
• Uncontrolled hypertension in the opinion of the Investigator
• Pregnant or lactating female or female of child-bearing potential not utilising an adequate form of contraception or male of reproductive potential not utilising contraception suggesting lens / zonular instability