Garetosmab (REGN 2477) is a fully human IgG4 monoclonal antibody that specifically inhibits activin A. Garetosmab can be used for fibrodysplasia ossificans progressiva (FOP) research[1].
References
[1] Frédéric Vanhoutte, et al. Pharmacokinetics and Pharmacodynamics of Garetosmab (Anti-Activin A): Results From a First-in-Human Phase 1 Study. J Clin Pharmacol. 2020 Nov;60(11):1424-1431. DOI:10.1002/jcph.1638