A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 31/665 (2006.01) A61K 7/40 (1995.01)
Patent
CA 2145968
An antipruritic composition comprising a phosphoric acid diester compound of the following formula or a pharmacologically acceptable salt thereof as an active ingredient in a topical dosage form that allows said active ingredient to contact a focus of pruritus at a concentration of 0.01-5 (w/w) %. Image (I) (wherein R1 and R2 are the same or different and each represents a hydrogen atom or a methyl group). By applying the antipruritic drug of this invention topically to the focus of pruritus, the itch of varying etiology can be easily disposed of or cured.
Kawahira Osamu
Ogata Kazumi
Yoshida Shoji
Riches Mckenzie & Herbert Llp
Senju Pharmaceutical Co. Ltd.
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