Compositions and methods to increase muscle mass and strength by specifically antagonizing GDF8 and / or Activin A

摘要

A composition comprising a GDF8 specific binding protein and an Activin A specific binding protein, wherein the GDF8 specific binding protein is an anti GDF8 antibody, or antigen binding fragment thereof, that inhibits GDF8 , and wherein the Activin A-specific binding protein is an anti-Activin A antibody, or antigen-binding fragment thereof, that inhibits Activin A.