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US 2007/0178159 A1Published application
In-Situ Forming Porous Scaffold
AssigneeAlza Corporation
InventorsGuohua Chen, Zhongli Ding, Johanna Bentz, Paul Houston, Ling-Ling Kang
Life of this patent
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Abstract
A composition includes a viscous gel formed from a combination of a biodegradable polymer and a biocompatible solvent. The composition also includes a hydrophilic porogen, which may be incorporated in the viscous gel. The composition may form a porous scaffold in situ.
Claims34
A composition, comprising:
- a viscous gel formed from a combination of a biodegradable polymer and a biocompatible solvent;
- and
- a hydrophilic porogen.
A composition according to any of the preceding claims, which is suitable for controlled release of the active agent.
A drug delivery device, comprising:
- a composition which forms a porous scaffold in situ, the composition comprising a viscous gel formed from a combination of a biodegradable polymer and a biocompatible solvent and a hydrophilic porogen incorporated in the viscous gel.
Dependencies are inferred from the claim text.