Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Interventional
Official Title: Two-arm Phase III Trial Comparing Different Time of Endoscopic Photodynamic Therapy on Esophageal and/or Gastric Cardiac Cancer
Brief Summary: The therapy of photofrin PDT was effective in improving life quality of patients with advanced esophageal and/or gastric cardiac cancer and the time optimizing for employing laser irradiation was of great importance.The purpose of this study is to evaluate the clinical efficacy and adverse effects of Photodynamic Therapy (PDT) on esophageal and/or gastric cardiac cancer during different time after inject photofrin.