GAST and medullary thyroid gland carcinoma: Initial findings were reported regarding the use of [177Lu]Lu-PP-F11N ([177Lu]Lu-DOTA-(D-Glu)6-Ala-Tyr-Gly-Trp-Nle-Asp-PheNH2), a mini-gastrin analog labeled with 177Lu, for treating advanced medullary thyroid carcinoma in patients.