Abstract:
:Dry age-related macular degeneration (AMD), a multifactorial progressive degenerative disease of the retinal photoreceptors, pigmented epithelium and Bruch's membrane/choroid in central retina, causes visual impairment in millions of elderly people worldwide. The only available therapy for this disease is the over-the-counter (OTC) multi-vitamins plus macular xanthophyll (lutein/zeaxanthin) which attempts to block the damages of oxidative stress and ionizing blue light. Therefore development of dry AMD prescribed treatment is a pressing unmet medical need. However, this effort is currently hindered by many challenges, including an incomplete understanding of the mechanism of pathogenesis that leads to uncertain targets, confounded by not yet validated preclinical models and the difficulty to deliver the drugs to the posterior segment of the eye. Additionally, with slow disease progression and a less than ideal endpoint measurement method, clinical trials are necessarily large, lengthy and expensive. Increased commitment to research and development is an essential foundation for dealing with these problems. Innovations in clinical trials with novel endpoints, nontraditional study designs and the use of surrogate diseases might shorten the study time, reduce the patient sample size and consequently lower the budget for the development of the new therapies for the dry AMD.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Wei CX,Sun A,Yu Y,Liu Q,Tan YQ,Tachibana I,Zeng H,Wei JYdoi
10.1007/978-3-319-17121-0_15subject
Has Abstractpub_date
2016-01-01 00:00:00pages
103-9eissn
0065-2598issn
2214-8019journal_volume
854pub_type
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