A 68Ga-labelled GLP-1 analogues was used in this preclinical PET-study to determine the receptor occupancy of the GLP-1 receptor in-vivo.
Selvaraju RK, Velikyan I, Johansson L, Wu Z, Todorov I, Shively J, Kandeel F, Korsgren O, Eriksson O.
In vivo imaging of the glucagonlike peptide 1 receptor in the pancreas with 68Ga-labeled DO3A-exendin-4.
J Nucl Med. 2013 Aug;54(8):1458-63