Epinastine (brand names Alesion, Elestat, Purivist, Relestat) is a second-generation antihistamine and mast cell stabilizer that is used in eye drops to treat allergic conjunctivitis. It is produced by Allergan and marketed by Inspire in the United States.[1] It is highly selective for the H1 receptor and does not cross the blood-brain-barrier.[2]

It was patented in 1980 and came into medical use in 1994.[3]

References

  1. ^ Pradhan S, Abhishek K, Mah F (September 2009). "Epinastine: topical ophthalmic second generation antihistamine without significant systemic side effects". Expert Opinion on Drug Metabolism & Toxicology. 5 (9): 1135–1140. doi:10.1517/17425250903117284. PMID 19630694. S2CID 207490591.
  2. ^ Walther G, Daniel H, Bechtel WD, Brandt K (April 1990). "New tetracyclic guanidine derivatives with H1-antihistaminic properties. Chemistry of epinastine". Arzneimittel-Forschung. 40 (4): 440–446. PMID 1972625.
  3. ^ Fischer J, Ganellin CR (2006). Analogue-based Drug Discovery. John Wiley & Sons. p. 549. ISBN 9783527607495.