The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 29, 2018

Filed:

Apr. 29, 2016
Applicants:

Psivida Us, Inc., Watertown, MA (US);

Psimedica Limited, Malvern, GB;

Inventors:

Christian Barnett, Pershore, GB;

Paul Ashton, Newton, MA (US);

Leigh T. Canham, Malvern, GB;

Assignee:

PSIVIDA US, INC., Watertown, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/14 (2006.01); A61K 38/42 (2006.01); A61K 9/19 (2006.01); A61K 9/50 (2006.01); A61K 9/00 (2006.01); A61K 39/395 (2006.01); C07K 16/22 (2006.01);
U.S. Cl.
CPC ...
A61K 9/146 (2013.01); A61K 9/0048 (2013.01); A61K 9/0051 (2013.01); A61K 9/143 (2013.01); A61K 9/145 (2013.01); A61K 9/19 (2013.01); A61K 9/5031 (2013.01); A61K 38/42 (2013.01); A61K 39/3955 (2013.01); A61K 39/39591 (2013.01); C07K 16/22 (2013.01); C07K 2317/24 (2013.01);
Abstract

The invention comprises a composition comprising a bioerodible porous silicon-based carrier material wherein the carrier material carries at least one large molecule therapeutic agent and at least one amorphous sugar, optionally further comprising a crystallization inhibitor. The composition may be used in vitro or in vivo to deliver the therapeutic agent, preferably in a controlled fashion over an intended period of time such as over multiple days, weeks or months. The composition may be used for treating or preventing conditions of a patient such as chronic diseases.


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