Dataset Information

Emerging Therapies in Neovascular Age-Related Macular Degeneration in 2020.

ABSTRACT: Age-related macular degeneration (AMD) is one of the most common causes of vision loss. Advanced forms of AMD are seen in primarily 2 types-neovascular AMD (nAMD) with the presence of choroid neovascularization and nonneovascular AMD (nnAMD) with geographic atrophy. Although there are 4 anti-vascular endothelial growth factor drugs either widely used or approved for the former, there are no current treatments for the latter. This review will highlight upcoming treatments for AMD currently in clinical trials. For nAMD: Abicipar pegol, an intravitreal anti-vascular endothelial growth factor based on designed ankyrin repeat proteins (DARP) in protein, is currently pending approval. Conbercept and Faricimab, 2 intravitreal anti-growth factors, are currently in phase 3. Nine other upcoming agents have at least produced results in the 2A phase including intravitreal injections (KSI-301, OPT-302, RGX-314, ICON-1, and DE-122), depot (GB-102), drug reservoir (PDS), topical drops (PAN-90806), and oral formulations (AKST4290). We summarize all the newer molecules.

SUBMITTER: Samanta A

PROVIDER: S-EPMC7299216 | biostudies-literature | 2020 May-Jun

REPOSITORIES: biostudies-literature

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Emerging Therapies in Neovascular Age-Related Macular Degeneration in 2020.

Samanta Anindya A Aziz Aamir A AA Jhingan Mahima M Singh Sumit Randhir SR Khanani Arshad M AM Chhablani Jay J

Asia-Pacific journal of ophthalmology (Philadelphia, Pa.) 20200501 3

Age-related macular degeneration (AMD) is one of the most common causes of vision loss. Advanced forms of AMD are seen in primarily 2 types-neovascular AMD (nAMD) with the presence of choroid neovascularization and nonneovascular AMD (nnAMD) with geographic atrophy. Although there are 4 anti-vascular endothelial growth factor drugs either widely used or approved for the former, there are no current treatments for the latter. This review will highlight upcoming treatments for AMD currently in cli ...[more]

PMID: 32511123

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Project description:Neovascular age-related macular degeneration (nAMD) is a common world-wide cause of visual loss. Intravitreal anti-vascular endothelial growth factor (anti-VEGF) agents are an effective means to treat nAMD and reduce its impact on vision compared to either sham treatment or photodynamic therapy. Currently, the approved anti-VEGF drugs include ranibizumab, aflibercept and brolucizumab. In addition, bevacizumab, used as an off-label drug, and has been shown to be effective in treating nAMD. While anti-VEGF agents are effective, its limitations include the requirement for frequent, often monthly injections, and the need for long-term treatment of nAMD. These present significant burdens on the healthcare system and on the patients. In addition, reviews of patients with nAMD treated with anti-VEGF have reported deterioration of vision over time with progression of geographic atrophy. These limitations are partly addressed by exploring different treatment regimens that reduce the frequency of treatments. Newer anti-VEGF drugs have been shown in Phase III clinical trials to have injection intervals as long as 12 or even 16 weeks for a proportion of patients. There is research on newer drugs that affect other pathways, such as the angiopoietin pathway, which may impact nAMD by extending the treatment interval and reducing the burden of treatment. Other measures include the use of sustained-release implants that release the drug regularly over a period of time, and can be refilled periodically, as well as hydrogel platforms that serve to release the drug. The use of biosimilars will also serve to reduce the cost of treatment for nAMD. A new frontier of gene therapy, primarily targeting genes involved in the transduction of retinal cells to produce anti-VEGF proteins intraocularly, also opens a new avenue of therapeutic approaches that can be used for treatment. This review paper will discuss both current treatment options and the newer treatments under development.

Dataset Information

Emerging Therapies in Neovascular Age-Related Macular Degeneration in 2020.

Publications

Emerging Therapies in Neovascular Age-Related Macular Degeneration in 2020.

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