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Adjuvant Therapy for Potentially Immunotherapy-Responsive Gastric or Gastroesophageal Junction Adenocarcinoma

NCT07772557 · Status: NOT_YET_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 108

Last updated 2026-08-19

No results posted yet for this study

Summary

This study evaluates the clinical efficacy and safety benefits of immunotherapy in a selected patient population by comparing serplulimab combined with short-course SOX regimen versus SOX regimen alone as adjuvant therapy for patients with stage pII-III gastric or gastroesophageal junction (G/EGJ) adenocarcinoma who are PD-L1 CPS ≥5, EBV-positive, or dMMR/MSI-H.

Conditions

  • Gastric or Gastroesophageal Junction Adenocarcinoma

Interventions

DRUG

Standard Treatment Group: SOX regimen for up to 6 cycles Oxaliplatin: 130 mg/m², i.v., D1, Q3W; S-1 (Tegafur-Gimeracil-Oteracil Potassium): Oral administration: 40 mg per dose for BSA < 1.25, 50 mg pe

SOX

DRUG

Experimental Immunotherapy Group: Phase I: Combination Therapy Period (First 3 Cycles) Oxaliplatin: 130 mg/m², intravenous infusion, Day 1, every 3 weeks (Q3W), for 3 cycles. Serplulimab: 300 mg, i

Serplulimab+SOX

Sponsors & Collaborators

  • The First Affiliated Hospital with Nanjing Medical University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-09-01
Primary Completion
2031-12-31
Completion
2032-01-20

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07772557 on ClinicalTrials.gov