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Suprachoroidal Injection of Triamcinolone- Review of a Novel Treatment for Macular Edema Caused by Noninfectious Uveitis.

ABSTRACT: Macular edema is the most frequent cause of visual deterioration in noninfectious uveitis. The treatment of noninfectious uveitis with associated macular edema commonly includes systemic or locally administered corticosteroids, with long-term use limited by significant side effects. The need for a treatment with an improved safety profile has driven the development of a novel ophthalmic therapy: a proprietary triamcinolone acetonide suspension (CLS-TA) administered in the suprachoroidal space (XIPERE^™; Clearside Biomedical, Alpharetta, GA, USA). Suprachoroidal delivery of corticosteroids allows higher steroid concentration in the posterior segment and decreases the risk of other adverse ocular events. Recent results from the PEACHTREE trial (ClinicalTrials.gov Identifier: NCT02595398), a phase III trial with two suprachoroidal injections of CLS-TA at 0 and 12 weeks with follow up lasting 24 weeks, showed the significant improvement in visual acuity and reduction in central subfield thickness, all without increasing the risk of elevated intraocular pressure or accelerated cataract progression.

SUBMITTER: Price KW

PROVIDER: S-EPMC8315419 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Suprachoroidal Injection of Triamcinolone- Review of a Novel Treatment for Macular Edema Caused by Noninfectious Uveitis.

Price Kenneth W KW Albini Thomas A TA Yeh Steven S

US ophthalmic review 20201223 2

Macular edema is the most frequent cause of visual deterioration in noninfectious uveitis. The treatment of noninfectious uveitis with associated macular edema commonly includes systemic or locally administered corticosteroids, with long-term use limited by significant side effects. The need for a treatment with an improved safety profile has driven the development of a novel ophthalmic therapy: a proprietary triamcinolone acetonide suspension (CLS-TA) administered in the suprachoroidal space (X ...[more]

PMID: 34322164

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Project description:BackgroundSuprachoroidal Drug Delivery has emerged in recent years as a novel promising approach, which may help address the clinical unmet needs in the management of Retinal Vein Occlusion (RVO) associated Macular Edema (ME). In this study, we aim to evaluate the feasibility in regard of the potential efficacy and safety of suprachoroidal injection of Triamcinolone Acetonide (TA) using a microinjector as a mono-treatment of ME due to RVO.MethodsThis trial included 16 eyes of 16 patients with RVO associated ME presenting to the department of ophthalmology, Al Mouwasat university hospital, Syria. 4 mg of preserved TA was injected suprachoroidally 4 mm away from the inferotemporal limbus using a patient-customized microinjector. After injection, patients were followed after 1 week then monthly for 3 months. Primary outcome measures included the percentage of participants with best-corrected visual acuity (BCVA) gain≥15 letters and increased intraocular pressure (IOP) ≥ 20 mmHg in months 1,2, and 3, secondary measures included mean change from baseline BCVA, central subfield thickness (CST), and IOP through each of the follow-up points in addition to other measures.ResultsAfter injection, BCVA gain≥15 letters occurred in 68.7, 62.5, 50, 50% of patients at week 1 and through months 1,2 and 3 respectively, the mean BCVA improved significantly by 16.4, 16, 14.4, and 11.9 letters (p-value< 0.0005) at week 1 and months 1,2 and 3 respectively. This visual gain was associated with a significant reduction of CST by 290.94 ± 181.76 (week-1) (p-value< 0.0005), 274.31 ± 184.60 (month-1) (p-value< 0.0005), 183.50 ± 165.61 (month-2) (p-value = 0.006) and 137,75 ± 156.25 μm (month-3) (p-value = 0.038). We reported one case of increased IOP ≥ 20 mmHg in the first month that decreased in the second month. The mean change of IOP readings was not statistically significant, with an increase ranging from 0.75 mmHg after the first week (p-value = 0.09) and 0.5 mmHg after 3 months (p-value = 0.72).ConclusionThis study suggests that suprachoroidal TA could be well tolerated and efficacious as a mono-treatment of RVO associated ME. Future clinical trials are required to confirm its longer-term safety and efficacy and to compare this efficacy with the other therapeutic options.Trial registrationThis study was retrospectively registered at clinicaltrials.gov (ID: NCT05038072) on 08/09/2021. This article was published as a preprint on 22/06/2022. https://doi.org/10.21203/rs.3.rs-1701105/v1 .

Dataset Information

Suprachoroidal Injection of Triamcinolone- Review of a Novel Treatment for Macular Edema Caused by Noninfectious Uveitis.

Publications

Suprachoroidal Injection of Triamcinolone- Review of a Novel Treatment for Macular Edema Caused by Noninfectious Uveitis.

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