This is the first direct genetic evidence that variation in the drugs target gene contributes to why some people respond dramatically and others barely move
The patches work by providing continuous delivery of the GLP-1 hormone, which helps regulate glucose levels and suppress appetite through multiple mechanisms
Braakman HM, Verhoeven JS, Erasmus CE, Haaxma CA, Willemsen MH, Schelhaas HJ
GIP is secreted by the enteroendocrine K-cells concentrated in the proximal intestines, including the duodenum and jejunum ( via both neural and endocrine mediated factors ( Incretins act on G-protein coupled receptors on the beta cells of the pancreas, leading to a cAMP mediated pathway that ultimately results in insulin secretion ( Figure 1 )
Another reason may be that once you reach your target weight on the branded version, you dont need a full dose to maintain
The synergy argument is mechanistic, based on non-overlapping pathways for local repair (BPC-157) and systemic cell migration (TB-500)