Table 1B. Demographics, GIST patients.

	n = 20
Gender (M:F)	13:7
Age (median, range)	54 (40–75)
ECOG (median, range)	0 (0–1)
Prior treatments (median, range)	3 (1–8)
Primary site
Gastric	8
Small bowel	12
Mutationsa
KIT exon 9 (502_503 duplication)
KIT exon 9 (S501)
KIT exon 9 (6bp deletion) and KIT exon 17 (D820Y)
KIT exon 9 (6bp insertion) and KIT exon 14 (N680K)
KIT exon 11 (9bp insertion/deletion)
KIT exon 11 (L575P) and KIT exon 9 (6bp insertion)
KIT exon 11 (point mutation) and exon 11 (21 bp in frame deletion)
KIT exon 11 (W557R) and KIT exon 11 (G565V)
KIT exon 11 (6bp deletion) and KIT exon 13 (V654A)
KIT exon 11 (L576P) and KIT exon 13 (V654A)
KIT exon 11 (WK557) and KIT exon 13 (V654A)
KIT exon 11 (6bp deletion) and KIT exon 17 (Y823D)
KIT exon 11 (6bp deletion) and KIT exon 17 (D820Y)
KIT exon 13 (V654A)
KIT exon 13 (V654A)
PDGFR exon 18 D842V
PDGFR exon 18 D842V
mTOR exon 30 and SDHB exon 2
NF1 (deletion), TERT (amplification), and SDHA (amplification)

Abbreviations: ECOG, Eastern Cooperative Oncology Group; F, female; M, male.

^aMissing for 1 patient.