Patients with recurrent EGFR-mutated or ALK-rearranged NSCLC, previously treated with targeted therapy, were eligible. Patients were treated with carboplatin AUC5, pemetrexed 500 mg/m2 and pembrolizumab 200 mg I.V. every 3 weeks. After 4 cycles patients were maintained on pemetrexed and pembrolizumab for up to 2 years....Response rates (95%CI) were 42% (23%, 63%) and 29% (4%, 71%) among EGFR+ and ALK+ patients, respectively.