Table 2. Drug-related AEs occurring in ≥5% of patients (and all grade 3/4 AEs).

AEa n [%]	Gefitinib related			Celecoxib related
	Grade 1/2	Grade 3/4		Grade 1/2	Grade 3/4
Acne	11 [37]	1 [3]		1 [3]	0 [0]
Diarrhea	10 [33]	1 [3]		3 [10]	0 [0]
Stomatitis	4 [13]	0 [0]		4 [13]	0 [0]
Skin desquamation	4 [13]	0 [0]		2 [7]	0 [0]
Nausea	3 [10]	0 [0]		4 [13]	0 [0]
Rash	2 [7]	0 [0]		0 [0]	0 [0]
Pruritus	2 [7]	0 [0]		0 [0]	0 [0]
Abdominal pain	1 [3]	0 [0]		2 [7]	0 [0]
Vomiting	1 [3]	0 [0]		2 [7]	0 [0]
Hypotension	0 [0]	1 [3]		0 [0]	0 [0]
Upper abdominal pain	0 [0]	0 [0]		3 [10]	0 [0]
Hepatitis	0 [0]	0 [0]		0 [0]	1 [3]
Folliculitis	0 [0]	1 [3]		0 [0]	0 [0]

^aA patient could have ≥1 AE. AE, adverse event.