FARMACEUTISK HARPIKSHOLDIGT, SUSTAINED RELEASE PRAEPARAT MED KONTROLLERET AFGIVELSE AF ET FARMACEUTISK ACCEPTABELT SYREADDITIONSSALT AF DEXTROMETHORPHAN SAMT FREMGANGSMAADE TIL FREMSTILLING DERAF

The invention relates to a pharmaceutical preparation for controlled, sustained release of dextromethorphan comprising a polystyrene sulfonate resin which has been crosslinked with about 3% to about 10% divinyl benzene, having an average particle size of at least 40 mu m and less than 100 mu m onto...

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Hauptverfasser: KHANNA, SATISH CHANDRA, FISCHER, FRANZ XAVER
Format: Patent
Sprache:dan
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Zusammenfassung:The invention relates to a pharmaceutical preparation for controlled, sustained release of dextromethorphan comprising a polystyrene sulfonate resin which has been crosslinked with about 3% to about 10% divinyl benzene, having an average particle size of at least 40 mu m and less than 100 mu m onto which dextromethorphan has been loaded in a ratio expressed in weight amounts of dextromethorphan-hydrobromide to resin of about 1:6 to about 1:10 and at least one pharmaceutically acceptable adjuvant.