Polymorph of Rifaximin and process for the preparation thereof

The present invention relates to a new polymorph of Rifaximin, designated κ, 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 κ of Rifaximin and a pharmaceutically acc...

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Hauptverfasser: Molteni, Renato, Arrighi, Massimiliano, Lanfranconi, Simona, Gatti, Fabio, Vigano', Enrico
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to a new polymorph of Rifaximin, designated κ, 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 κ of Rifaximin and a pharmaceutically acceptable carrier and its uses in the treatment of gastrointestinal conditions.