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:
Jul. 31, 2018

Filed:

Oct. 25, 2013
Applicant:

The University of Chicago, Chicago, IL (US);

Inventors:

Thomas F. Gajewski, Chicago, IL (US);

Stefani Spranger, Chicago, IL (US);

Michael Leung, Chicago, IL (US);

Assignee:

The University of Chicago, Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/4245 (2006.01); A61K 45/06 (2006.01); A61K 39/395 (2006.01); A61K 39/00 (2006.01);
U.S. Cl.
CPC ...
A61K 39/39558 (2013.01); A61K 31/4245 (2013.01); A61K 45/06 (2013.01); A61K 2039/507 (2013.01);
Abstract

In some embodiments, the methods involve the use of a combination of at least two of the following: an inhibitor of indoleamine-2,3-dioxygenase (IDO), an inhibitor of the PD-L1/PD-1 pathway, an inhibitor of CTLA-4, an inhibitor of CD25, or IL-7. The inventors particularly observed a major synergistic effect of combining anti-CTLA-4 with either an IDO inhibitor, with anti-PD-L1 mAb, or with CD-25 depletion. Such combinations have been found to demonstrate a synergistic effect in treating cancer and tumors, for example by reducing tumor size, increasing the percentage of antigen-specific T cells, and increasing T cell function.


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