About this trial
This trial is a prospective, open, randomized, phase II clinical study. It compares the current first-line treatment for advanced gastric cancer in phase II clinical trials, with the best efficacy being the combination of orient-16 study with sintilimab and XELOX regimen. The purpose of this study is to evaluate whether adding anti-angiogenic drugs or chemotherapy drugs on the basis of two-drug chemotherapy regimen (XELOX regimen) and PD-1 monoclonal antibody can improve efficacy for advanced gastric cancer.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Males or females aged over than 18 years
Histologically or cytologically confirmed gastric adenocarcinoma (including GEJ adenocarcinoma)
Presence of measurable lesions(RECIST 1.1)
Newly diagnosed patients; or patients with recurrence after surgery, who have been off adjuvant chemotherapy for at least 6 months and have not received any anti-cancer treatment within the past 6 months
Disqualifiers
Histopathological assessment of HER2 positivity (immunohistochemistry 3+ or immunohistochemistry 2+ and FISH positive)
Known dMMR/MSI-H
History of other malignant neoplasms within 3 years prior to enrollment, except for cured cervical carcinoma in situ or basal cell carcinoma
Presence of brain metastases to meninges
Trial design
Parallel
Treatments tested in this trial
Sintilimab, oxalipaltin, 5FU,Nab-paclitaxel,lenvatinib
DrugPatients were randomized in a 1:1:1 ratio to three treatment groups: control group A: pembrolizumab combined with XELOX regimen, the regimen was repeated every 3 weeks, and tumor efficacy was evaluated every 2 treatment cycles. Group B: treatment regimen was pembrolizumab combined with Nab-POF regimen, the regimen was repeated every 2 weeks, and tumor efficacy was evaluated every 3 treatment cycles. Group C: treatment regimen was pembrolizumab combined with XELOX regimen and lenvatinib, the regimen was repeated every 3 weeks, and tumor efficacy was evaluated every 2 treatment cycles.
Treatment groups
Trial outcomes
Primary outcomes
Objective response rate
he proportion of patients whose tumor decrease to a certain size and remained for a certain period of time, including those with complete response (CR) and partial response (PR)
Secondary outcomes
Overall survival
Progression-free survival time
Disease control rate
assessed based on the RECIST 1.1 criteria, including complete response, partial response, and stable disease
Sponsors and contacts
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