Osimertinib Plus Gefitinib in Patients with EGFR-Mutated Advanced Non-Small Cell Lung Cancer and EGFR (C797X) Mutation Following First-Line Osimertinib: ORCHARD.
Goldberg SB, Ahn MJ, Baik C, De Castro Carpeño J, Cho BC, de Langen AJ, Fidler MJ, Goldman JW, Grønberg BH, Akamatsu H, Kim SW, Kim YJ, Le X, Marrone KA, Piotrowska Z, Riess JW, Shiraishi Y, Fraenkel PG, Merchan Ruiz B, Smith PE, Tang KH, Yu HA. Osimertinib Plus Gefitinib in Patients with EGFR-Mutated Advanced Non-Small Cell Lung Cancer and EGFR (C797X) Mutation Following First-Line Osimertinib: ORCHARD. Clin Cancer Res 2026 PMID: 42440354, DOI: 10.1158/1078-0432.CCR-26-0704.Peer-Reviewed Original Research
This study investigates combining osimertinib and gefitinib in advanced lung cancer with EGFR C797S mutation, showing modest benefits but highlighting tumor resistance and limited efficacy.