Retlirafusp Alfa Injection Plus Chemotherapy Versus Investigator's Choice of Anti-PD-1 Antibody Plus Chemotherapy as First-line Treatment for Advanced Gastric Cancer With Liver Metastases

Starting soon · Phase 3

Conditions studied: Gastric Adenocarcinoma and Gastroesophageal Junction Adenocarcinoma

In brief

This study is a randomized, controlled, open-label phase III clinical trial, aims to compare the efficacy and safety of Retlirafusp alfa injection plus CAPOX versus the investigator's choice of anti-PD-1 antibody plus CAPOX as first-line treatment in patients with advanced gastric cancer (GC) or gastroesophageal junction cancer (GEJC) with liver metastases

Key facts

Study ID

NCT07677293

Run by

Peking University

People needed

332

Starts

2026-06-26

Expected to finish

2028-12-31

Last updated by the study team

2026-06-30

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 1. Age ≥ 18 years; 2. Patients with recurrent or previously untreated advanced gastric or gastroesophageal junction cancer with liver metastases, histopathologically confirmed as adenocarcinoma.
• No prior systemic therapy (including anti-HER2 therapy) for advanced or metastatic GC/GEJC. Patients who have received prior adjuvant or neoadjuvant therapy are eligible provided that the time from completion of last therapy to first recurrence or disease progression is > 6 months.
• Eastern Cooperative Oncology Group (ECOG) performance status of 0-1. 5. At least one evaluable lesion according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1.
• Adequate organ and bone marrow function. 7. Female subjects of non-childbearing potential are defined as those who are postmenopausal, or have undergone documented hysterectomy and/or bilateral oophorectomy. Male subjects and female subjects of childbearing potential must agree to use at least one medically approved contraceptive method during the study and for 120 days after the last dose of study treatment. A serum pregnancy test must be negative within 3 days prior to the start of study treatment, and subjects must not be breastfeeding.
• Voluntarily signed informed consent, and willing and able to comply with scheduled visits, study treatment, laboratory tests, and other study procedures.

You may not qualify if…

• 1. Known gastric cancer of squamous cell carcinoma, undifferentiated carcinoma, or other histological types, or adenocarcinoma mixed with other histological types.
• Untreated or inadequately treated central nervous system (CNS) metastases, or uncontrolled or symptomatic active CNS metastases.
• Diagnosis of any other malignancy within 5 years prior to study entry, except for: skin basal cell carcinoma or squamous cell carcinoma that has been locally treated and documented as cured, superficial bladder cancer, cervical carcinoma in situ, breast ductal carcinoma in situ, papillary thyroid carcinoma, and other early-stage tumors with low risk of recurrence that have undergone curative treatment as judged by the investigator.
• Presence of any active, known, or suspected autoimmune disease. 5. Prior treatment with TGF-β inhibitors, anti-PD-1/PD-L1 antibodies, anti-PD-L2 antibodies, anti-CD137 antibodies, CTLA-4 antibodies, or other drugs/antibodies targeting T-cell costimulatory or checkpoint pathways.
• Severe, non-healing, or dehiscent wound, or active ulcer, or untreated fracture.
• Any other serious physical or mental illness, or laboratory abnormalities that may increase the risk of study participation, interfere with study results, or render the subject unsuitable for the study judged by the investigator.

Full record on ClinicalTrials.gov

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