Growth axis

ACE-031

ActRIIB-Fc / Soluble activin receptor IIB

Molecular format
ActRIIB–Fc fusion protein

ActRIIB–Fc fusion protein

Research contextHuman studies exist

Read the linked studies for their methods and limitations.

An experimental activin-receptor fusion protein studied in Duchenne muscular dystrophy.

Family
Ligand-trapping fusion protein
Research frame
Myostatin and related activin ligands
Molecular format
ActRIIB–Fc fusion protein

Read the evidence

The randomized study was discontinued because of non-muscle adverse events. Changes in muscle-related measures cannot be interpreted without that safety outcome.

Resolve the identity

ACE-031 is a receptor fusion protein, not follistatin or a selective short myostatin peptide.