Overview Dose Escalation Of Icotinib In Previously Treated Patients With Routine Dose Status: Completed Trial end date: 2014-02-01 Target enrollment: Participant gender: Summary To determine whether dose escalation can provide a better survival to patients who failed with icotinib at routine dose. Phase: Phase 4 Details Lead Sponsor: Betta Pharmaceuticals Co., Ltd.Betta Pharmaceuticals Co.,Ltd.