Treatment of allergic conjunctivitis with olopatadine hydrochloride eye drops
Eiichi UchioDepartment of Ophthalmology, Fukuoka University School of Medicine, Fukuoka, JapanAbstract: Olopatadine hydrochloride exerts a wide range of pharmacological actions such as histamine H1 receptor antagonist action, chemical mediator suppressive action, and eosinophil infiltration suppress...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2008
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| Acceso en línea: | https://doaj.org/article/9f248f53c110442eba26dee9edf280ba |
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| Sumario: | Eiichi UchioDepartment of Ophthalmology, Fukuoka University School of Medicine, Fukuoka, JapanAbstract: Olopatadine hydrochloride exerts a wide range of pharmacological actions such as histamine H1 receptor antagonist action, chemical mediator suppressive action, and eosinophil infiltration suppressive action. Olopatadine hydrochloride 0.1% ophthalmic solution (Patanol®) was introduced to the market in Japan in October 2006. In a conjunctival allergen challenge (CAC) test, olopatadine hydrochloride 0.1% ophthalmic solution significantly suppressed ocular itching and hyperemia compared with levocabastine hydrochloride 0.05% ophthalmic solution, and the number of patients who complained of ocular discomfort was lower in the olopatadine group than in the levocabastine group. Conjunctival cell membrane disruption was observed in vitro in the ketotifen fumarate group, epinastine hydrochloride group, and azelastine hydrochloride group, but not in the olopatadine hydrochloride 0.1% ophthalmic solution group, which may potentially explain the lower discomfort felt by patients on instillation. Many other studies in humans have revealed the superiority of olopatadine 0.1% hydrochloride eye drops to several other anti-allergic eye drops. Overseas, olopatadine hydrochloride 0.2% ophthalmic solution for a once-daily regimen has been marketed under the brand name of Pataday®. It is expected that olopatadine hydrochloride ophthalmic solutions may be used in patients with a more severe spectrum of allergic conjunctival diseases, such as vernal keratoconjunctivitis or atopic keratoconjunctivitis, in the near future.Keywords: olopatadine, eye drop, allergic conjunctivitis, anti-histaminergic |
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