Gastric Cancer Clinical Trial
Official title:
Total Neoadjuvant Chemotherapy With 5-fluoruracil, Leucovorin, Oxaliplatin and Docetaxel in Locally Advanced Gastric and Gastroesophageal Junction Cancer (OCTASUR): Randomized, Single Center, Open Label Trial, Phase 2/3
The main goal of this study is to investigate the histopathological regression rate in patients with locally advanced gastric and gastroesophageal adenocarcinoma without previous treatment who will be prospectively randomized into two groups to undergo one of two chemotherapy regimens, followed by surgery: 1. 8 cycles of Total Neoadjuvant ChemoTherapy (TNT) with 5-Fluorouracil (5-FU), Leucovorin, Oxaliplatin and Docetaxel (FLOT) followed by surgery. 2. 4 cycles of Neoadjuvant FLOT chemotherapy scheme preoperatively and 4 adjuvant FLOT cycles postoperatively.
758 participants with resectable locally advanced gastric and gastroesophageal (Siewert 2, 3) adenocarcinoma (T3-4b, N1-3, M0) with no history of previous treatment will be included in this study after reading and signing the informed consent. After the initial diagnostic laparoscopy, patients will be randomized into two groups in a 1:1 ratio, with allocation to one of the two study groups. Patients who will be randomized to the first (control) group will receive 8 cycles of perioperative FLOT chemotherapy scheme: 4 cycles before surgical treatment and 4 cycles after surgical intervention. Patients who will be randomized to the second (study) group will receive 8 cycles of FLOT total neoadjuvant chemotherapy, followed by surgery. Primary endpoint of the study is pathomorphological tumor response rate. Secondary endpoints are: perioperative morbidity and mortality (surgical and chemotherapeutic complications); disease-free survival (DFS) and 1-, 3- and 5-years overall survival (OS); quality of life during and after the treatment; correlation between the pathohistological response and chemotherapy regimen. ;
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