Article Abstract

A phase I study of nimotuzumab plus docetaxel in chemotherapy-refractory/resistant patients with advanced non-small-cell lung cancer

Authors: Jun Zhao, Minglei Zhuo, Zhijie Wang, Jianchun Duan, Yuyan Wang, Shuhang Wang, Tongtong An, Meina Wu, Jie Wang

Abstract

Background: To determine the safety and therapeutic efficacy of nimotuzumab (h-R3) combined with docetaxel in advanced non-small-cell lung cancer (NSCLC) patients who have failed to respond to prior first-line chemotherapy.
Methods: In this single-center, open-label, dose-escalating phase I trial, patients with epidermal growth factor receptor (EGFR)-expressing stage IV NSCLC were treated with nimotuzumab plus docetaxel according to a dose escalation schedule. The safety and efficacy of the combination treatment were observed and analyzed.
Results: There were 12 patients with EGFR-expressing stage IV NSCLC enrolled. The dose of nimotuzumab was escalated from 200 to 600 mg/week. The longest administration of study drug was 40 weeks at the 600 mg/week dose level. Grade III–IV toxicities included neutropenia and fatigue, and other toxicities included rash. Dose-limiting toxicity occurred with Grade 3 fatigue at the 200 mg dose level of nimotuzumab and Grade 4 neutropenia with pneumonia at the 600 mg dose level of nimotuzumab. No objective responses were observed, and stable disease was observed in eight patients (66.7%). The median progression-free survival (PFS) was 4.4 months in all patients, 1.3 months in patients with the EGFR mutation, and 4.4 months in those with wild type EGFR (EGFR WT). The median survival time (MST) was
21.1 months in all patients, 21.1 months in patients with EGFR mutation, and 26.4 months in patients with EGFR WT.
Conclusions: Nimotuzumab and docetaxel combination therapy was found to be well tolerated and
efficacious. Further study of nimotuzumab is warranted in advanced NSCLC patients.

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