A Single-arm, Open, Multicenter Phase II Clinical Study of Nilatinib Maleate Tablets Combined With Capecitabine in the Treatment of HER2-positive Advanced Esophageal/Esophagogastric Junction/Gastric Adenocarcinoma With Brain Metastases
To evaluate the efficacy of nilatinib maleate tablets combined with capecitabine in the treatment of HER2-positive advanced esophageal/esophagogastric junction/gastric adenocarcinoma with brain metastasis.