Have you considered going back on GC and adding abraxane? Abraxane is the really powerful one that eliminated 1 of my liver lesions and shrunk the other lesion that was 1.7 cm to 0.9cm and then I got MRIdean radiation on it to hopefully decimate it (I’ll know by early December when I meet with the radiation specialist). My marker (CA19-9) is in normal range down, but I will stay on chemo GA (I don’t have the BRCA gene, but have the ATM, KRAS12D, and TP53) forever until it stops working. Cisplatin effective for BRCA and PALB genes. There is also a clinical trial out there RM6236 and RM9805 that is showing some positive results so you might ask your oncologist if you might be a candidate. Best wishes on your journey; just realize it can be a bumpy road!