This is a US, multicenter, open-label expanded access program to provide access to avapritinib until such time that avapritinib becomes available through other mechanisms or the Sponsor chooses to discontinue the program.
There is one SNP
4. Patient has received 3 or more TKI therapies including imatinib, or the patient has GIST that carries a mutation in exon 18 of the PDGFRA gene (such as D842V). 5. --- D842V ---