Nimotuzumab Combined With Paclitaxel for Recurrent Metastatic Gastric or Esophagogastric Junction Adenocarcinoma

In order to evaluate the efficacy and safety of nimotuzumab combined with paclitaxel as second-line treatment for recurrent metastatic gastric or esophagogastric junction adenocarcinoma with EGFR over-expression, investigators performed a randomized, double-blind, placebo-controlled phase III clinical trial. Patients will be randomized (1:1) to receive nimotuzumab plus paclitaxel in the experimental group and placebo plus paclitaxel in the control group. The primary endpoint of this study was OS, and according to the results of the RAINBOW-Asia gastric cancer phase III clinical study, the mOS of paclitaxel single-agent second-line treatment for gastric cancer was 7.92 months, assuming that the mOS increased to 10.92 months after the addition of nimotuzumab, Using the survival module in the PASS15 software, the two-sided test level was set α=0.05, β=0.20, enrolled for 2 years, followed up for 1.5 years, the dropout rate was 5%, the sample size including interim analysis was 354 cases. The secondary endpoints are progression-free survival (PFS), objective response rate (ORR), duration of response (DOR), disease control rate (DCR), patient reported outcome (PRO), and safety.