Nippon Zoki Pharmaceutical Co., Ltd.

Yuriko Yamazaki

Takashi Ogino

Kunihiko Higashiura

Haruo Yoshii

Kazuhito Furukawa

The present invention provides a compound, an oxepin derivative having excellent histamine receptor antagonistic action, which is useful as an antihistamine. The oxepin derivative of the present invention has a potent histamine receptor antagonistic action. Further, the compound of the present invention shows low intracerebral migration even when a mouse that is orally administered with the compound is subjected to an intracerebral receptor binding test, so that the compound has preferred properties of alleviating side effects in the central nervous system, such as drowsiness. The oxepin derivative of the present invention is very useful as a novel antihistamine having smaller side effects in the central nervous system, such as drowsiness.

Oxepin derivative

A drug preparation for oral administration containing histamine-added immunoglobulin as an effective component may be used for prevention or treatment of allergic diseases such as bronchial asthma, allergic rhinitis, vasomotor rhinitis, urticaria, chronic eczema and atopic dermatitis; autoimmune diseases such as multiple sclerosis, chronic rheumatoid arthritis and systemic lupus erythematodes; various immunodeficiency syndromes; and also eosinophilia or various inflammatory diseases caused by infectious diseases, parasitic diseases, diseases of respiratory organs, autoimmune diseases, and malignant tumors. The drug preparation which can be administered orally can be taken by patients easier than an injectable preparation without loss of effectiveness. Therefore, the drug preparation for oral administration of the present invention is practical and highly useful.

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Kato, Japan

Yuriko Yamazaki