Status:

NOT_YET_RECRUITING

Comparing the Efficacy and Safety of Different Postoperative Adjuvant Regimens in Patients With Resectable Adenocarcinoma of the Esophagogastric Junction Who Underwent Radical Surgery After Neoadjuvant Chemotherapy Combined With Immunotherapy and Achieved pCR in Postoperative Pathology

Lead Sponsor:

Liaoning Cancer Hospital & Institute

Conditions:

Gastric / Gastroesophageal Junction Adenocarcinoma

Eligibility:

All Genders

18+ years

Phase:

PHASE4

Brief Summary

This study is to evaluate the efficacy and safety of different postoperative adjuvant regimens in patients with resectable adenocarcinoma of the esophagogastric junction who underwent radical surgery ...

Eligibility Criteria

Inclusion

  • Age ≥ 18 years old, gender not restricted;
  • Subjects diagnosed with gastric cancer (GC) or gastroesophageal junction cancer (GEJC) through imaging and other examinations, and with histopathological diagnosis of adenocarcinoma;
  • HER2 overexpression or amplification results are negative;
  • Subjects who have received neoadjuvant chemotherapy for GC/GEJC before, and have undergone at least 3-4 cycles;
  • Having undergone radical surgical treatment and with postoperative pathological result reaching pCR
  • After radical surgery treatment, the investigator assesses that further adjuvant treatment is necessary, and the adjuvant treatment plan must be the one specified in this protocol.

Exclusion

  • 1\) Gastric cancer that is known to be squamous cell carcinoma, undifferentiated carcinoma, or of other tissue types, or gastric cancer that is adenocarcinoma mixed with other tissue types; 2) Within 3 months before adjuvant therapy, there was a significant clinically significant bleeding symptom or a clear bleeding tendency; 3) Within 6 months before adjuvant therapy, had suffered from intestinal obstruction and/or had clinical signs or symptoms of digestive tract obstruction, including incomplete obstruction related to the original disease or requiring routine parenteral hydration, parenteral nutrition, or tube feeding; 4) Within 5 years before starting adjuvant therapy, was diagnosed with a malignant tumor (excluding malignant tumors with low metastasis and mortality risks, such as: skin basal cell carcinoma or cervical carcinoma in situ that has been adequately treated); 5) Within 30 days before starting adjuvant therapy, had participated in other clinical studies and used study drugs containing active ingredients;

Key Trial Info

Start Date :

September 30 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2027

Estimated Enrollment :

500 Patients enrolled

Trial Details

Trial ID

NCT07161453

Start Date

September 30 2025

End Date

December 31 2027

Last Update

September 8 2025

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