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. Author manuscript; available in PMC: 2024 Jul 1.
Published in final edited form as: Ann Oncol. 2023 Apr 25;34(7):615–625. doi: 10.1016/j.annonc.2023.04.006

Figure 6. Serial KIT ctDNA determinations detect resistance.

Figure 6.

(A) KIT secondary mutation detection significantly increased upon disease progression. (B) Representative subclonal evolution showing increased allele frequency in subpopulations with a KIT exon 13 V654A mutation, in parallel to primary clonal KIT exon 11 mutations. ABP, ATP-BP; AL, activation loop; BL, baseline; EOT, end-of-treatment; FC, fold change; VAF, variable allele frequency.