OIL-IN-WATER TYPE EMULSION COMPOSITION

To provide a pharmaceutical formulation of an oil-in-water type emulsion composition comprising zinc chloride as an active ingredient having excellent separation inhibiting properties and medicine release properties.SOLUTION: There is provided an oil-in-water type emulsion composition which comprise...

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Bibliographische Detailangaben
Hauptverfasser: SHIRAI KATSUNORI, NAGIRI TOSHIYA, TERAO TOSHIMITSU, MARUYAMA SHIORI, TAKENAKA RYOICHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a pharmaceutical formulation of an oil-in-water type emulsion composition comprising zinc chloride as an active ingredient having excellent separation inhibiting properties and medicine release properties.SOLUTION: There is provided an oil-in-water type emulsion composition which comprises (A) 30 mass% or more of zinc chloride, (B) an oily base selected from the group consisting of a hydrocarbon oil and a higher alcohol, (C) a nonionic surfactant and (D) an aqueous base selected from the group consisting of water and a polyhydric alcohol, wherein an oil-in-water type emulsion composition in which the content of the component (B) is 52 pts.wt. or more based on 100 pts.wt. of the total of the component (B) and the component (C), and the content of the component (B) is 11.7 pts.wt. or more based on 100 pts.wt. of the total of the component (B) and the component (D), has excellent separation inhibiting properties and an oil-in-water type emulsion composition in which the component (D) is water and a polyethylene glycol has excellent medicine release properties.SELECTED DRAWING: None 【課題】本発明の目的は、塩化亜鉛を有効成分とした水中油型の乳化組成物の、分離抑制性/及び又は薬剤放出性に優れた製剤処方を提供することである。【解決手段】(A)30重量%以上の塩化亜鉛と、(B)炭化水素油及び高級アルコールからなる群より選択される油性基剤と、(C)ノニオン性界面活性剤と、(D)水及び多価アルコールからなる群より選択される水性基剤とを含む水中油型乳化組成物であって、前記(B)成分と前記(C)成分との合計量100重量部に対する前記(B)の含有量が52重量部以上であり、且つ、前記(B)成分と前記(D)成分との合計量100重量部に対する前記(B)の含有量が11.7重量部以上であるものは、分離抑制性に優れており、前記(D)成分が、水及びポリエチレングリコールであるものは、薬剤放出性に優れている。【選択図】なし