Endo Pharmaceuticals Inc.

Lirong Liu

Anand R Baichwal

Troy McCall

Steve Labudzinski

Disclosed are sustained release oral solid dosage forms comprising a therapeutically effective amount of a medicament having a solubility of more than about 10 g/l; a pH modifying agent; and a sustained release matrix comprising a gelling agent, said gelling agent comprising a heteropolysaccharide gum and a homopolysaccharide gum capable of cross-linking said heteropolysaccharide gum when exposed to an environmental fluid, said dosage form providing a sustained release of said medicament after oral administration to human patients.

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Washington Township, NJ, United States of America

Lirong Liu