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Efficacy comparison of ranibizumab biosimilar with its reference biotherapeutic product for the treatment of myopic choroidal neovascularization Ryo Eguchi 1,2 , Ryo Nonogaki 1,2 , Kazuma Tamura 1,2 , Hikaru Ota 1,2 1Department of Ophthalmology, Nagoya Medical Center 2Department of Opthalmology, Nagoya University Graduate School of Medicine pp.1229-1234
Published Date 2025/10/15
DOI https://doi.org/10.11477/mf.037055790790101229
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Abstract Purpose:To compare the treatment outcomes of intravitreal ranibizumab(IVR) and IVR biosimilar(IVRBS) in patients with myopic choroidal neovascularization(MNV).

Methods:This retrospective observational study included patients diagnosed with untreated MNV who underwent anti-vascular endothelial growth factor therapy at Nagoya University Hospital. Twenty-six eyes of 26 patients who started IVR treatment between January 2021 and August 2022(IVR group) and 20 eyes of 20 patients who started IVRBS treatment between September 2022 and February 2024(IVRBS group) were compared. Best-corrected visual acuity(BCVA), central retinal thickness(CRT), central choroidal thickness(CCT), and the number of injections were evaluated at baseline and 1 and 3 months after treatment initiation.

Results:The mean BCVA improved significantly from 0.43±0.37 at baseline to 0.27±0.27 at 3 months in the IVR group(p<0.01) and from 0.40±0.41 to 0.25±0.34 in the IVRBS group(p=0.04). The mean CRT significantly decreased from 308.3±96.0 μm to 244.9±59.6 μm in the IVR group(p<0.01) and from 281.2±86.9 μm to 243.7±62.3 μm in the IVRBS group(p<0.01). No significant differences were observed between the IVR and IVRBS groups regarding the mean number of injections or changes in BCVA, CRT, or CCT at 3 months. Additionally, higher baseline CRT was significantly associated with the need for retreatment.

Conclusions:IVR and IVRBS demonstrated comparable efficaciess in the treatment of MNV. Patients with a higher baseline CRT may require retreatment within a short period.


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