REVIEW : New Drug and Recent Technique : Pharmacological, Pharmacokinetic and Clinical Properties of Olopatadine Hydrochloride, a New Antiallergic Drug

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Olopatadine hydrochloride (olopatadine, 11-[(<i>Z</i>)-3-(dimethylamino)propylidene]-6,11-dihydrodibenz[<i>b,e</i>]oxepin-2-acetic acid monohydrochloride) is a novel antiallergic/histamine H<sub>1</sub>-receptor antagonistic drug that was synthesized and evaluated in our laboratories. Oral administration of olopatadine at doses of 0.03 mg/kg or higher inhibited the symptoms of experimental allergic skin responses, rhinoconjunctivitis and bronchial asthma in sensitized guinea pigs and rats. Olopatadine is a selective histamine H<sub>1</sub>-receptor antagonist possessing inhibitory effects on the release of inflammatory lipid mediators such as leukotriene and thromboxane from human polymorphonuclear leukocytes and eosinophils. Olopatadine also inhibited the tachykininergic contraction in the guinea pig bronchi by prejunctional inhibition of peripheral sensory nerves. Olopatadine exerted no significant effects on action potential duration in isolated guinea pig ventricular myocytes, myocardium and human ether-a-go-go-related gene channel. Olopatadine was highly and rapidly absorbed in healthy human volunteers. The urinary excretion of olopatadine accounted for not less than 58% and the contribution of metabolism was considerably low in the clearance of olopatadine in humans. Olopatadine is one of the few renal clearance drugs in antiallergic drugs. Olopatadine was shown to be useful for the treatment of allergic rhinitis and chronic urticaria in double-blind clinical trials. Olopatadine was approved in Japan for the treatment of allergic rhinitis, chronic urticaria, eczema dermatitis, prurigo, pruritis cutaneous, psoriasis vulgaris and erythema exsudativum multiforme in December, 2000. Ophthalmic solution of olopatadine was also approved in the United States for the treatment of seasonal allergic conjunctivitis in December, 1996 (Appendix: also in the European Union, it was approved in February 2002).

収録刊行物

  • The Japanese journal of pharmacology

    The Japanese journal of pharmacology 88(4), 379-397, 2002-04-01

    The Japanese Pharmacological Society

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各種コード

  • NII論文ID(NAID)
    10008414946
  • NII書誌ID(NCID)
    AA00691188
  • 本文言語コード
    ENG
  • 資料種別
    REV
  • ISSN
    00215198
  • NDL 記事登録ID
    6263167
  • NDL 雑誌分類
    ZS51(科学技術--薬学)
  • NDL 請求記号
    Z53-D199
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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