Methods: Retrospective analysis of 18,712 eyes with GA using the CorEvitas Vestrum Health Retina Database.
Results: Mean age at index was 78.6 years (SD = 7.
Expert Opin Drug Deliv
December 2024
Purpose: To evaluate the safety and tolerability of a single dose of axitinib injectable suspension (CLS-AX), a pan-anti-VEGF tyrosine kinase inhibitor (TKI), administered via suprachoroidal injection in patients with neovascular age-related macular degeneration (nAMD).
Design: Phase I/IIa, open-label, sequential dose escalation.
Participants: Anti-VEGF treatment-experienced patients with active subfoveal choroidal neovascularization secondary to nAMD.
To evaluate clinical trials in the literature that focus on suprachoroidal drug delivery for the treatment of noninfectious uveitis and other posterior segment diseases. A synthesis of the literature was performed. In 2021, suprachoroidal space triamcinolone acetonide, a corticosteroid delivery system used for the treatment of uveitic macular edema (ME), was approved by the US Food and Drug Administration.
View Article and Find Full Text PDFObjective: The purpose of this study was to quantitatively analyze and compare OCT characteristics of intraretinal hyper-reflective foci (IHRF) in eyes with diabetic retinopathy (DR) versus age-related macular degeneration (AMD).
Design: a retrospective observational study.
Participants: 54 treatment-naïve eyes (27 DR and 27 AMD).
Expert Opin Biol Ther
August 2024
Introduction: Neovascular age-related macular degeneration (nAMD) represents a leading cause of severe visual impairment in individuals over 50 years of age in developed nations. Intravitreal anti-vascular endothelial growth factor (VEGF) injections have become the standard of care for treating nAMD; however, monthly or bimonthly dosing represents significant time and cost burden due to the disease's chronic nature and limited medication half-life.
Areas Covered: This review summarizes innovative therapeutics and delivery methods for nAMD.
Gene therapy holds promise as a transformative approach in the treatment landscape of age-related macular degeneration (AMD), diabetic retinopathy (DR), and diabetic macular edema (DME), aiming to address the challenges of frequent intravitreal anti-vascular endothelial growth factor (VEGF) injections. This manuscript reviews ongoing gene therapy clinical trials for these disorders, including ABBV-RGX-314, ixoberogene soroparvovec (ixo-vec), and 4D-150. ABBV-RGX-314 utilizes an adeno-associated virus (AAV) vector to deliver a transgene encoding a ranibizumab-like anti-VEGF antibody fragment, demonstrating promising results in Phase 1/2a and ongoing Phase 2b/3 trials.
View Article and Find Full Text PDFTo examine disparities in visual acuity (VA) outcomes 1 year and 2 years after initiation of diabetic retinopathy (DR) or diabetic macular edema (DME) treatment in patients based on race/ethnicity and insurance status, accounting for disease severity. This retrospective analysis used the IRIS Registry and included DR patients older than 18 years with documented antivascular endothelial growth factor (anti-VEGF) treatment and VA data for at least 2 years. International Classification of Diseases, Tenth Revision, Clinical Modification codes were used to determine the severity of DR and DME presence.
View Article and Find Full Text PDFPurpose: To develop professional guidelines for best practices for suprachoroidal space (SCS) injection, an innovative technique for retinal therapeutic delivery, based on current published evidence and clinical experience.
Methods: A panel of expert ophthalmologists reviewed current published evidence and clinical experience during a live working group meeting to define points of consensus and key clinical considerations to inform the development of guidelines for in-office SCS injection.
Results: Core consensus guidelines for in-office SCS injection were reached and reported by the expert panel.
Purpose: To explore the efficacy of CLS-TA, a proprietary suprachoroidal injectable suspension of triamcinolone acetonide, in noninfectious uveitis (NIU) with macular edema (ME), categorized by anatomic subtype.
Methods: Patients diagnosed with ME associated with NIU of any etiology and anatomic subtype were eligible for the phase 3 PEACHTREE trial of CLS-TA. Post-hoc analyses were performed, stratified by discrete anatomic subtype of uveitis (anterior, intermediate, posterior, and panuveitis.
Expert Opin Pharmacother
November 2023
Introduction: Diabetic retinopathy (DR) is a leading cause of blindness worldwide. Recent decades have seen rapid progress in the management of diabetic eye disease, evolving from pituitary ablation to photocoagulation and intravitreal pharmacotherapy. The advent of effective intravitreal drugs inhibiting vascular endothelial growth factor (VEGF) marked a new era in DR therapy.
View Article and Find Full Text PDFObjective: To evaluate disorganization of retinal inner layers (DRIL), as detected on spectral-domain optical coherence tomography (OCT) images, as a biomarker for diabetic macular edema (DME) activity, visual function, and prognosis in eyes with DME.
Design: Longitudinal prospective.
Methods: Post hoc correlation analyses were performed on data from a phase 2 clinical trial.
Patients with macular edema (ME) associated with uveitis (UME) are at risk for vision loss and decreased quality of life, and they often experience high health care costs and rates of workforce absenteeism. Systemically or locally delivered corticosteroids are the mainstay of treatment for UME. Although traditional corticosteroid treatments may demonstrate high levels of efficacy, systemic delivery carries the risk of potentially serious systemic adverse effects (AEs), and standard local modes of delivery may be associated with low bioavailability in posterior ocular tissues and steroid-associated AEs due to anterior ocular tissue exposure.
View Article and Find Full Text PDFCommon risk factors for many ocular pathologies involve non-pathologic, age-related damage to the optic nerve. Understanding the mechanisms of age-related changes can facilitate targeted treatments for ocular pathologies that arise at any point in life. In this review, we examine these age-related, neurodegenerative changes in the optic nerve, contextualize these changes from the anatomic to the molecular level, and appreciate their relationship with ocular pathophysiology.
View Article and Find Full Text PDFIntroduction: Macular edema, a common complication of uveitis, may result in vision loss. The aim of this analysis was to report integrated phase 3 trial data for triamcinolone acetonide injectable suspension for suprachoroidal use (SCS-TA) in the treatment of macular edema secondary to noninfectious uveitis using strict inclusion criteria.
Methods: This analysis included patients with central subfield thickness (CST) ≥ 300 µm and best-corrected visual acuity (BCVA) of ≥ 5 and ≤ 70 Early Treatment Diabetic Retinopathy Study (ETDRS) letters at both screening and baseline who received ≥ 1 study treatment in either PEACHTREE (randomized, double-masked SCS-TA or sham control) or AZALEA (open-label SCS-TA).
Am J Manag Care
November 2022
Standard ocular drug delivery methods generally are safe and effective for treating diseases of the eye. However, many routes of administration carry the risk of adverse effects due to drug exposure to anterior ocular tissues. Additionally, these delivery methods may not result in high and consistent levels of a therapeutic agent delivered to target tissues for diseases affecting the posterior segment of the eye.
View Article and Find Full Text PDFExpert Opin Biol Ther
September 2022
Introduction: Ocular gene therapy represents fertile ground for rapid innovation, with ever-expanding therapeutic strategies, molecular targets, and indications.
Areas Covered: Potential indications for ocular gene therapy have classically focused on inherited retinal disease (IRD) but more recently include acquired retinal diseases, such as neovascular age-related macular degeneration, geographic atrophy, and diabetic retinopathy. Ocular gene therapy strategies have proliferated recently, and include gene augmentation, gene inactivation, gene editing, RNA modulation, and gene-independent gene augmentation.
Age-related macular degeneration (AMD) is among the leading causes of irreversible blindness worldwide. In addition to environmental risk factors, such as tobacco use and diet, genetic background has long been established as a major risk factor for the development of AMD. However, our ability to predict disease risk and personalize treatment remains limited by our nascent understanding of the molecular mechanisms underlying AMD pathogenesis.
View Article and Find Full Text PDFExpert Opin Pharmacother
August 2022
Drug delivery to the suprachoroidal space (SCS®) has become a clinical reality after the 2021 FDA approval of CLS-TA, a triamcinolone acetonide injectable suspension for suprachoroidal use (XIPERE®), administered via a microneedle-based device, the SCS Microinjector®. Suprachoroidal (SC) delivery facilitates targeting, compartmentalization, and durability of small molecule suspensions, thereby potentially addressing some of the efficacy, safety, and treatment burden limitations of current retinal therapies. Herein, the design features of the SCS Microinjector are reviewed, along with the biomechanics of SC drug delivery.
View Article and Find Full Text PDFOphthalmic Surg Lasers Imaging Retina
July 2022
Ophthalmol Retina
December 2022
Purpose: To assess the relationship between best-corrected visual acuity (BCVA) and anatomic features in patients with macular edema (ME) related to retinal vein occlusion (RVO).
Design: Post hoc analysis of 3 clinical trials, which included verified diagnoses, protocol refractions, and the assessment of OCT and fluorescein angiography (FA) images at a masked reading center.
Participants: Patients diagnosed with RVO-ME.
To compare ocular pharmacokinetics (PK), systemic absorption, and injectability of triamcinolone acetonide (TA) suprachoroidal (SC) and intravitreal (IVT) suspensions. New Zealand White (NZW) rabbits received a bilateral injection of 4 mg TA injectable suspension, TRI (TRIESENCE ; Alcon) through either microneedle-based SC or standard IVT injection. Another group of NZW rabbits received a bilateral SC injection (4 mg) of either TRI or a proprietary TA suspension for SC use, CLS-TA (Clearside Biomedical).
View Article and Find Full Text PDFPurpose: The clinical practice visual acuity (VA) outcomes of anti-VEGF therapy for up to 5 years were assessed in patients with neovascular age-related macular degeneration (nAMD), diabetic macular edema (DME), branch retinal vein occlusion-related macular edema (BRVO-ME), and central retinal vein occlusion-related macular edema (CRVO-ME).
Design: A retrospective analysis was performed using the Vestrum Health Retina Database.
Participants: Treatment-naive patients with nAMD, DME, BRVO-ME, or CRVO-ME who received anti-VEGF injections between 2014 and 2019 and had follow-up data for ≥12 months.