POLYMORPH OF RIFAXIMIN AND PROCESS FOR THE PREPARATION THEREOF

The present invention relates to a new polymorph of Rifaximin, designated ?, and to a process for the preparation thereof. Under certain aspects, the invention also relates to pharmaceutical compositions comprising an effective amount of the polymorphic form ? of Rifaximin and a pharmaceutically acc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LANFRANCONI, SIMONA, GATTI, FABIO, VIGANO', ENRICO, ARRIGHI, MASSIMILIANO, MOLTENI, RENATO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	The present invention relates to a new polymorph of Rifaximin, designated ?, and to a process for the preparation thereof. Under certain aspects, the invention also relates to pharmaceutical compositions comprising an effective amount of the polymorphic form ? of Rifaximin and a pharmaceutically acceptable carrier and its uses in the treatment of gastrointestinal conditions. La présente invention porte sur un nouveau polymorphe de la rifaximine, appelé ?, et sur un procédé pour sa préparation. Dans certains aspects, l'invention porte également sur des compositions pharmaceutiques comprenant une quantité efficace de la forme polymorphe ? de la rifaximine et un véhicule pharmaceutiquement acceptable et sur ses utilisations dans le traitement d'affections gastro-intestinales.