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SOLID ORAL PHARMACEUTICAL COMPOSITIONS COMPRISING COMPLEX MONOLITHIC MATRICES FOR CHRONOTROPIC ADMINISTRATION OF MEDICAMENTS IN THE GASTROINTESTINAL TRACT
SOLID ORAL PHARMACEUTICAL COMPOSITIONS COMPRISING COMPLEX MONOLITHIC MATRICES FOR CHRONOTROPIC ADMINISTRATION OF MEDICAMENTS IN THE GASTROINTESTINAL TRACT
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机译:固体口服药物组合物,其包含复合整体基质,用于在胃肠道中的时级施用药物
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摘要
The present invention relates to solid oral controlled-release pharmaceutical compositions comprising a core consisting of a complex monolithic matrix comprising at least one low/medium viscosity hydroxypropyl methylcellulose, at least one medium/high viscosity hydroxypropyl methylcellulose, one or more methacrylic polymers or copolymers and/or cellulose acetate phthalate and/or hydroxypropyl methylcellulose acetate succinate or shellac, and an outer coating of said core consisting of a layer comprising ethylcellulose, or of a gastroresistant layer or of a layer comprising ethylcellulose coated in turn with gastroresistant polymers.
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