Somapacitan-beco is a human growth hormone (hGH) analog. It binds to a dimeric GH receptor in the cell membrane of target cells resulting in intracellular signal transduction and a host of pharmacodynamic effects. Some of these pharmacodynamic effects are primarily mediated by insulin-like growth factor I (IGF-I) produced in the liver, while others are primarily a consequence of the direct effects of somapacitan-beco.