Sentence: The protocol consisted of oral gefitinib 250 mg daily for 1 year plus intravenous oxaliplatin 85 or 100 mg/m(2 ) on days 1 , 15 , and 29 , and RT ( 50.4 Gy in 28 1.8-Gy fractions ) .
Drug combination annotation:
[{'class': 'COMB', 'spans': ['gefitinib', 'oxaliplatin'], 'is_context_needed': True}]