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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Nakayama, Satoshi Kambe, Tohru Karakawa, Tomohiro Nagai, Kazufumi Suto, Fumitaka Neki, Shinichi Kawabata, Kazuhito Yamane, Shinsaku Hirota, Yasushi Moriyuki, Kazumi |
| Abstract | PURPOSE: The purpose of this study was to determine whether a better IOP reduction can be observed in conscious, normotensive monkeys treated with ONO-9054, a novel dual EP3 and FP receptor agonist, compared with prostaglandin F2 analogs. METHODS: The binding affinities and agonistic activities of ONO-AG-367, a carboxylic acid of ONO-9054, to prostanoid receptors were assessed. The IOP-lowering effect of ONO-9054 in monkeys was analyzed after a single (0.3, 3, or 30 µg/mL) or 7-day repeated (30 µg/mL, every day) topical ocular administration. Ophthalmologic and histopathologic evaluations of the eye were performed after 4-week ocular administration of ONO-9054 (30 µg/mL, twice a day) in monkeys. RESULTS: The ONO-AG-367 exhibited high affinity for both EP3 and FP receptors and potent agonist activity, with EC50 values of 28.6 nM for the EP3 receptor and 22.3 nM for the FP receptor. Single and repeated topical ocular administration of ONO-9054 caused IOP reductions in normotensive monkeys. The maximum IOP reductions on day 7 observed with ONO-9054 (7.3 ± 0.8 mm Hg) were significantly greater than those observed with latanoprost (50 µg/mL, 4.9 ± 0.4 mm Hg) or travoprost (40 µg/mL, 5.1 ± 0.6 mm Hg). In ophthalmologic and histopathologic evaluations, slight and transient mydriasis was occasionally observed and no histopathologic lesions attributable to ONO-9054 were noted. CONCLUSIONS: A more profound and longer-lasting reduction in IOP in normotensive monkeys can be observed with ONO-9054, which simultaneously stimulates both EP3 and FP receptors, compared with prostaglandin analogs. |
| ISSN | 01460404 |
| e-ISSN | 15525783 |
| Journal | Investigative Opthalmology & Visual Science |
| Issue Number | 4 |
| Volume Number | 56 |
| Language | English |
| Publisher | Association for Research in Vision and Ophthalmology |
| Publisher Date | 2015-04-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Intraocular Pressure Drug Effects Ocular Hypotension Drug Therapy Prostaglandins F, Synthetic Administration & Dosage Receptors, Prostaglandin E, Ep3 Subtype Agonists Receptors, Prostaglandin Animals Antihypertensive Agents Dinoprost Disease Models, Animal Physiology Macaca Fascicularis Metabolism Physiopathology Ophthalmic Solutions Comparative Study Discipline Ophthalmology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ophthalmology Sensory Systems Cellular and Molecular Neuroscience |
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