Skip to main content

View full-text article in PMC

. Author manuscript; available in PMC: 2019 Nov 14.

Published in final edited form as: Oral Oncol. 2019 Mar 4;91:69–78. doi: 10.1016/j.oraloncology.2019.02.026

Table 1.

PTEN/PIK3CA status by treatment arm, E5397 (among patients with specimens available for marker analysis).

	Treatment Arm				Total
	Cetuximab		Placebo
	N	%	N	%	N	%
PIK3CA^*
Mutant	1	4	1	4	2	4
Wild-type	25	96	25	96	50	96
Unknown	1	–	1	–	2	–
PTEN⁺
Null	11	35	12	33	23	34
Positive	20	65	24	67	44	66
PTEN/PIK3CA^&
PTEN null/PIK3CA mut	12	35	13	33	25	34
PTEN pos/PIK3CA WT	22	65	26	67	48	66

^*

Fifty four specimens analyzed for PIK3CA.

⁺

Sixty-seven specimens analyzed for PTEN.

^&

Seventy-four specimens in total across PIK3Ca and PTEN analysis.