Sunitinib for Taiwanese patients with gastrointestinal stromal tumor after imatinib treatment failure or intolerance

Table 1 Demographic and genetic data of 23 Taiwanese gastrointestinal stromal tumor patients with imatinib failure or intolerance treated with sunitinib n (%)

	Sunitinib (n = 23)
Age (median/range, yr)	59.0/24-83
Gender (male:female)	16:7
Location
Stomach	8 (26.6)
Duodenum	1 (12.5)
Jejunum	5 (23.4)
Ileum	5 (14.1)
Mesentery	1 (18.8)
Rectum	3 (4.7)
Tumor recurrence
Liver	15
Peritoneum	6
Local recurrence	2
Genetic spectrum	21 (84.4)
Exon 11	12
Deletion mutation
Deletion and insertion mutation
Missense mutation
Exon 9 (insertion mutation)	6
Exon 13	1
No mutation (wild type)	1
PDGFRA (exon 18)	1
Median duration of sunitinib use (mo)	6

PDGFRA: Platelet derived growth factor α.