Status:

RECRUITING

Relationship Between Perioperative Treatment Efficacy and The Tumor Microenvironment for Locally Advanced Resectable Gastric Cancer.

Lead Sponsor:

Nanfang Hospital, Southern Medical University

Conditions:

Gastric Adenocarcinoma

Gastroesophageal Junction Adenocarcinoma

Eligibility:

All Genders

18-75 years

Brief Summary

Perioperative drug treatment has gradually become the standard regimen for locally advanced gastric cancer, whereas only a subset of patients could benefit from it. Therefore, one major challenge for ...

Detailed Description

Perioperative drug treatment has gradually become the standard regimen for locally advanced gastric cancer, whereas only a subset of patients could benefit from it. Therefore, one major challenge for ...

Eligibility Criteria

Inclusion

  • Histologically or cytologically confirmed locally advanced resectable gastric and gastro-oesophageal junction adenocarcinoma at the stage of cT2-T4aNxM0 (AJCC 8th) without distant metastases and without infiltration of adjacent structures and organs.
  • 18-75 years old.
  • Willing to provide residual tumor tissues after routine clinical diagnosis for tumor microenvironment detection analysis.
  • Patients agree to participate in the study and sign the informed consent.
  • Patients need to receive perioperative drug therapy.
  • Eastern Cooperative Oncology Group (ECOG) performance status score of 0 to 1.

Exclusion

  • Human epidermal growth factor receptor 2 (HER2) is positive, that is, tissue immunohistochemical staining (IHC) (3+) or IHC (2+), and tissue fluorescence in situ hybridization (FISH) is positive.
  • Patients with major cardiovascular and cerebrovascular diseases (such as congestive heart failure, unstable heart colic, atrial fibrillation, stroke, transient ischemic attack, etc.).
  • Allergies or contraindications to common chemotherapy drugs, immunotherapy drugs or the ingredients.
  • Women who are pregnant, breast-feeding.
  • Other conditions the investigator believes that it is not suitable to participate in this study.

Key Trial Info

Start Date :

May 25 2021

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

April 1 2026

Estimated Enrollment :

169 Patients enrolled

Trial Details

Trial ID

NCT04850729

Start Date

May 25 2021

End Date

April 1 2026

Last Update

May 30 2025

Active Locations (1)

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Nanfang Hospital, Southern Medical University

Guangzhou, Guangdong, China, 510515