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Optical Coherence Tomography Anatomic and Temporal Biomarkers in Uveitic Macular Edema.


ABSTRACT:

Purpose

To assess the relationship between best-corrected visual acuity (BCVA) and optical coherence tomography (OCT) features in noninfectious uveitis (NIU)-related macular edema.

Design

Clinical cohort study from post hoc analysis of 2 phase 3 clinical trials.

Methods

Correlation and longitudinal treatment analyses were performed. Of 198 patients with NIU, 134 received suprachoroidal CLS-TA (proprietary formulation of a triamcinolone acetonide injectable suspension), and 64 received sham, with 12.9% and 72%, respectively, receiving rescue therapy.

Results

At baseline, mean BCVA progressively worsened with each ordinal drop in central subfield ellipsoid zone (EZ) integrity. Eyes with normal baseline EZ experienced greater 24-week change in BCVA versus those with some degree of baseline EZ disruption (11.9 vs 9.4 letters, P = .006). In contrast, eyes with baseline central subfield cystoid spaces and/or subretinal fluid showed more improvement (13.7 or 17.2 letters, respectively) at 24 weeks, versus those without such findings (5.5 [P = .012] or 9.5 letters [P < .001], respectively). Longitudinal modeling for CLS-TA-treated eyes showed that central subfield thickness (CST) reached 90% of maximal improvement by week 3, whereas 90% maximal response in BCVA was not reached until week 9. CLS-TA-treated eyes that showed CST reduction of ≥50 µm at 4 weeks experienced a greater 24-week improvement in BCVA versus those without such an early response (14.6 vs 6.5 letters, P = .006 for difference).

Conclusions

Pretreatment EZ integrity and the presence of central subfield cystoid spaces or subretinal fluid each predict improved therapeutic response to treatment in eyes with NIU. In CLS-TA treated eyes, longitudinal modeling shows CST improvement preceding BCVA improvement.

SUBMITTER: Ciulla TA 

PROVIDER: S-EPMC10919549 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature

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Publications

Optical Coherence Tomography Anatomic and Temporal Biomarkers in Uveitic Macular Edema.

Ciulla Thomas A TA   Kapik Barry B   Barakat Mark R MR   Khurana Rahul N RN   Nguyen Quan Dong QD   Grewal Dilraj S DS   Albini Thomas T   Cunningham Emmett T ET   Goldstein Debra A DA  

American journal of ophthalmology 20211103


<h4>Purpose</h4>To assess the relationship between best-corrected visual acuity (BCVA) and optical coherence tomography (OCT) features in noninfectious uveitis (NIU)-related macular edema.<h4>Design</h4>Clinical cohort study from post hoc analysis of 2 phase 3 clinical trials.<h4>Methods</h4>Correlation and longitudinal treatment analyses were performed. Of 198 patients with NIU, 134 received suprachoroidal CLS-TA (proprietary formulation of a triamcinolone acetonide injectable suspension), and  ...[more]

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