Cancer 2021 May 11. Epub 2021 May 11.
Oncology and Palliative Care, Sarcoma Center, Helios Klinikum Berlin-Buch, Berlin, Germany.
Before the introduction of tyrosine kinase inhibitors (TKIs), the overall survival of patients with advanced or metastatic gastrointestinal stromal tumors (GISTs) was 10 to 20 months because of the lack of approved therapies. In the last 20 years, a treatment algorithm for patients with advanced GISTs, which includes imatinib, sunitinib, and regorafenib as first-, second-, and third-line therapies, respectively, has been established. Recently, 2 new TKIs have been approved: ripretinib for fourth-line therapy and avapritinib as first-line therapy in patients harboring platelet-derived growth factor receptor α (PDGFRA) exon 18 D842V mutations. Read More