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ACTIVIN RECEPTOR TYPE IIB VARIANTS AND USES THEREOF

Application US20260092096A1 Kind: A1 Apr 02, 2026

Inventors

Maureen D. O'CONNOR-MCCOURT, Vannakambadi K. Ganesh, Gilles Tremblay, Gauthier Schang

Abstract

There are provided polypeptides that include an Activin receptor type IIB (ActRIIB) ectodomain (ECD) variant. In some embodiments, a polypeptide of the disclosure includes an ActRIIB-ECD variant fused to an Fc domain moiety. The disclosure also provides pharmaceutical compositions and methods of using the polypeptides to treat diseases and conditions associated with TGFβ superfamily ligand signaling, such as metabolic disorders, diabetes, obesity, cardiometabolic disease, pulmonary hypertension, fibrosis, muscle weakness and atrophy, bone damage, and/or low red blood cell levels (such as anemia).

CPC Classifications

C07K 14/71 A61P 3/04 A61K 38/00 C07K 2319/30

Filing Date

2025-05-13

Application No.

19206991