Drug delivery systems comprising solid solutions of weakly basic drugs

The present invention is directed to pharmaceutical compositions and dosage forms comprising TPR beads, wherein said TPR beads comprise a solid dispersion of at least one active pharmaceutical ingredient in at least one solubility-enhancing polymer, and a TPR coating comprising a water insoluble pol...

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Hauptverfasser: Mapelli, Luigi, Colombo, Italo, Fabiani, Flavio, Venkatesh, Gopi, Boltri, Luigi, Lai, Jin-Wang
Format: Patent
Sprache:eng
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Zusammenfassung:The present invention is directed to pharmaceutical compositions and dosage forms comprising TPR beads, wherein said TPR beads comprise a solid dispersion of at least one active pharmaceutical ingredient in at least one solubility-enhancing polymer, and a TPR coating comprising a water insoluble polymer and an enteric polymer, wherein the active pharmaceutical ingredient comprises a weakly basic active pharmaceutical ingredient having a solubility of not more than 100 μg/mL at pH 6.8.