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.
Patent No.:
Date of Patent:
Jul. 22, 2025
Filed:
Nov. 06, 2020
Applicant:
Keros Therapeutics, Inc., Lexington, MA (US);
Inventors:
Jasbir S. Seehra, Lexington, MA (US);
Jennifer Lachey, Lincoln, MA (US);
Assignee:
Keros Therapeutics, Inc., Lexington, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 38/17 (2006.01); A61P 7/06 (2006.01); A61P 9/12 (2006.01); A61P 35/00 (2006.01);
U.S. Cl.
CPC ...
A61K 38/179 (2013.01); A61P 7/06 (2018.01); A61P 9/12 (2018.01); A61P 35/00 (2018.01);
Abstract
The invention features polypeptides that include an extracellular ActRIIA variant. In some embodiments, a polypeptide of the invention includes an extracellular ActRIIA variant fused to an Fc domain monomer or moiety. The invention also features pharmaceutical compositions and methods of using the polypeptides to treat diseases and conditions involving low red blood cell levels, e.g., anemia or blood loss; fibrosis; or pulmonary hypertension.