ORAL PHARMACEUTICAL DISPERSION COMPOSITIONS
The invention provides an oral pharmaceutical composition, optionally in dose unit form, comprising a lipophilic drug substance in dispersion in a physiologically tolerable aqueous carrier, preferablyan aqueous gel, wherein said drug substance contains a functional electrostatic group having a pKa v...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
06.04.2018
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Subjects | |
Online Access | Get full text |
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Summary: | The invention provides an oral pharmaceutical composition, optionally in dose unit form, comprising a lipophilic drug substance in dispersion in a physiologically tolerable aqueous carrier, preferablyan aqueous gel, wherein said drug substance contains a functional electrostatic group having a pKa value of from 2 to 10, characterised in that said aqueous carrier has a pH at least 0.3 below or above said pKa value, said pH being below said pKa where said group is acidic and above said pKa where said group is basic.
本发明提供了种口服药物组合物,可选择地以剂量单位的形式,包括在生理上可耐受的含水载体内分散的亲脂性药物物质,所述含水载体优选为含水凝胶,其中所述药物物质包含具有2至10的pKa值的静电官能性基团,其特征在于所述含水载体具有低于或高于所述pKa值至少0.3的pH,当所述基团为酸性时,所述pH低于所述pKa,当所述基团为碱性时,所述pH高于所述pKa。 |
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Bibliography: | Application Number: CN201711183170 |