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Efficacy of Tirellizumab Combined With Oral, Intravenous and Abdominal Chemotherapy in Peritoneal Metastatic Gastric/Gastroesophageal Junction Adenocarcinoma
Sponsor: Fudan University
Summary
For peritoneal metastatic gastric/gastroesophageal junction adenocarcinoma (cT3-4NanyM1), PD-1 antibody combined with chemotherapy and hyperthermic intraperitoneal chemotherapy (HIPEC) can downstage tumor stage, increase the conversion resection rate, and may improve the long-term survival. Tislelizumab, an anti-PD-1 antibody, has recently been proved in the first- and second-line standard treatment for advanced or metastatic gastric or gastro-oesophageal junction adenocarcinoma.In the subgroup analysis of RATIONALE-305 trial, tislelizumab also showed good efficacy in gastric/gastroesophageal junction adenocarcinoma patients with peritoneal metastasis. Combination of tirellizumab,SOX and HIPEC for peritoneal metastatic gastric/gastroesophageal junction adenocarcinoma could be a novel therapeutic strategy to increase response rate and therapeutic efficacy. This study is a monocenter, single-arm phase 2 clinical trial to evaluate tolerability, safety and efficacy of perioperative tirellizumab in combination with SOX and HIPEC in peritoneal metastatic gastric/gastroesophageal junction adenocarcinoma.
Official title: Tirellizumab Combined With SOX and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) in the Treatment of Peritoneal Metastatic Gastric/Gastroesophageal Junction Adenocarcinoma: A Single-arm, Phase II Clinical Trial (Solids-03)
Key Details
Gender
All
Age Range
18 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
30
Start Date
2025-03-30
Completion Date
2028-04-01
Last Updated
2025-04-06
Healthy Volunteers
No
Conditions
Interventions
Tislelizumab
recombinant humanized anti-PD-1 monoclonal antibody for injection; 200mg ivdrip，d1, q3w
S-1
40\~60mg Bid，d1\~14, q3w
Oxaliplatin
130mg/m2，iv drip for 2h，d1, q3w
Docetaxel
Docetaxel at a dose of 20 mg/m2 or paclitaxel at a dose of 40 mg/m2 dissolved in 3-5 L of normal saline heated to 43 ± 0.5 °C for HIPEC.(d01-d03,qd,before first cycle of Tislelizumab and SOX)
Paclitaxel
Paclitaxel at a dose of 40 mg/m2 or docetaxel at a dose of 20 mg/m2 dissolved in 3-5 L of normal saline heated to 43 ± 0.5 °C for HIPEC.(d01-d03,qd,before first cycle of Tislelizumab and SOX)