Short-Term Clinical Outcomes of Patients with Diabetic Macular Edema Following a Therapy Switch to Faricimab

Author:

Wolfrum Peter1,Böhm Elsa Wilma1ORCID,Lorenz Katrin1,Stoffelns Bernhard1,Pfeiffer Norbert1,Korb Christina A.1ORCID

Affiliation:

1. Department of Ophthalmology, University Medical Center, Johannes Gutenberg-University Mainz, Langenbeckstr. 1, 55131 Mainz, Germany

Abstract

Background: With this study, we investigate the short-term clinical outcomes of patients affected by diabetic macular edema (DME) after switching to intravitreal Faricimab (IVF) in a real-world setting. Methods: We conducted a retrospective chart review on all patients treated for DME with IVF who showed insufficient responses to prior anti-VEGF therapy. Data collected included baseline patient demographics, medical history, best-corrected visual acuity (BCVA), central retinal thickness (CRT) and central retinal volume (CRV). We analyzed functional and structural measures before and after IVF, compared baseline demographics and treatment factors between Faricimab-responders and reduced-responders and assessed influencing factors of the follow-up BCVA and CRT. Results: This study included 25 eyes from 16 patients. After switching to IVF, the mean BCVA showed no significant improvement, changing from 59.4 ± 13.4 Early Treatment of Diabetic Retinopathy Study (ETDRS) letters at baseline to 61.4 ± 12.8 ETDRS letters at follow-up (p = 0.26). CRT significantly reduced from 414.4 ± 126.3 µm to 353.3 ± 131.1 µm (p < 0.011), and the 3 mm CRV significantly decreased from 2.8 ± 0.5 mm3 to 2.6 ± 0.6 mm3 (p < 0.012). Seven patients met the responder criteria, exhibiting an improvement of at least 5 ETDRS letters and a simultaneous CRT reduction of at least 30 µm. Further analysis showed that higher BCVA at baseline (p < 0.001) was associated with better BCVA following IVF, while higher baseline CRT (p < 0.003), a higher number of prior anti-VEGF agents (p < 0.034) and prior corticosteroid injections (p < 0.019) were associated with greater CRT at follow-up. Conclusions: Following the initial IVF injection series, we observed a clear improvement of anatomical measures. No functional improvement was observed, although visual acuity remained stable. Higher baseline BCVA was associated with better post-IVF BCVA, while higher baseline CRT, a greater number of prior anti-VEGF agents and prior corticosteroid injections were linked to higher CRT post-IVF.

Publisher

MDPI AG

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