bimagrumab   Click here for help

GtoPdb Ligand ID: 8086

Synonyms: BYM-338 | BYM338
Compound class: Antibody
Comment: Bimagrumab is an investigational monoclonal antibody that binds to activin type II A and B receptors to block activin and myostatin signalling in muscles and adipose tissue. It was originally intended to combat age-related muscle loss and other muscle-wasting conditions. Most recently it has been repositioned as a counter measure for the muscle loss in patients using GLP-1 agonist anti-obesity drugs such as semaglutide and tirzepatide.
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Bioactivity Comments
Bimagrumab inhibits myostatin binding to ACVR2B, thereby blocking myostatin-induced signalling as measured by a Smad dependent reporter gene assay [1].
Selectivity at catalytic receptors
Key to terms and symbols Click column headers to sort
Target Sp. Type Action Value Parameter Concentration range (M) Reference
activin A receptor type 2B Primary target of this compound Hs Antibody Binding 11.8 pKd - 1
pKd 11.8 (Kd 1.73x10-12 M) [1]
Description: Binding affinity of clone MOR08159
activin A receptor type 2A Hs Antibody Binding 9.4 pKd - 1
pKd 9.4 (Kd 4.34x10-10 M) [1]
Description: Binding affinity of clone MOR08159