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Intravitreal dexamethasone implant for noninfectious uveitis in Chinese patients

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Abstract

Purpose

To evaluate the effectiveness and safety of the dexamethasone intravitreal implant (DEX-I) in Non-Infectious Uveitis (NIU) in Chinese patients.

Methods

Ninety-one eyes of 77 patients (56 men, 21 women) receiving 130 implant injections for NIU were included. Treatment indication, uveitis diagnosis, best-corrected visual acuity (BCVA), central retinal thickness (CRT), vitreous haze score, intraocular pressure, phakic status, number of injections, time to reinjection, and systemic treatments were collected at baseline, 1 week, 1 month, 3 and 6 months after treatment.

Results

All patients were followed for at least 12 weeks and had a mean follow-up period of 5.1 months (range, 3–14 months) after the first implant. The main treatment indications were macular edema (ME), retinal vasculitis, retinal vasculitis with ME. Sixty-one eyes (67.03%) received only one injection, while 31 eyes (32.97%) received two or more. In eyes that received 2 injections, the mean time to the second injection was 3.83 months and in those that received 3 injections, the mean time to the third injection was 7.5 months. BCVA and CRT significantly improved at 1 week, 1 month, 3 months, and 6 months after treatment. When compared to baseline, the mean prednisone (or equivalent) dosage significantly decreased at 3- and 6-month follow-up evaluations after DEX implantation.14.29% of eyes developed a transient increase in intraocular pressure, and a cataract was removed from 1 phakic eye.

Conclusions

DEX implants, either alone or in combination with common adjunctive NIU treatments, is safe and effective in the treatment of NIU in Chinese patients.

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Funding

This study was funded by the National Natural Science Foundation of China (81300752), the Jilin Province Science and Technology Development Plan Project (20200201333JC) and the Jilin Province Health Special Project (2020SCZT058).

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Correspondence to Xiaoli Liu.

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All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest, or non-financial interest in the subject matter or materials discussed in this manuscript.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the Ethics Committee of the Second Hospital of Jilin University and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Informed consent was obtained from all individual participants included in the study.

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Zeng, S., Yang, L., Bai, F. et al. Intravitreal dexamethasone implant for noninfectious uveitis in Chinese patients. Int Ophthalmol 42, 2063–2069 (2022). https://doi.org/10.1007/s10792-021-02204-2

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  • DOI: https://doi.org/10.1007/s10792-021-02204-2

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