Status:

UNKNOWN

Neoadjuvant Immunotherapy and Chemotherapy for Locally Advanced Esophagogastric Junction and Gastric Cancer Trial

Lead Sponsor:

Nanfang Hospital, Southern Medical University

Collaborating Sponsors:

Shanghai Junshi Bioscience Co., Ltd.

Conditions:

Gastric Cancer

Stomach Neoplasm

Eligibility:

All Genders

18-75 years

Phase:

PHASE2

Brief Summary

For locally advanced esophagogastric junction and gastric cancer (cT3-4aNxM0 or cT2N+M0), neoadjuvant chemotherapy can downstage T and N stage,treated distant micrometastases early before local therap...

Detailed Description

Gastric cancer (GC) is one of the leading causes of cancer-related deaths worldwide and a substantial global health burden. Surgery is the only possible way to cure gastric cancer, however, more than ...

Eligibility Criteria

Inclusion

  • Written (signed) informed consent;
  • Age ≥ 18 years and ≤75 years.
  • Confirmed gastric and gastroesophageal junction adenocarcinoma by Gastroscopic biopsy histopathological examination.
  • Imaging (CT/MRI) and diagnostic laparoscopy confirmed at the stage of cT3/4a Nx or T2 N+, M0(AJCC 8th) before randomization.
  • confirmed by immunohistochemistry (IHC) staining or genetic and transcriptional profiling detection to meet one of the following conditions:
  • Combined positive score (CPS) of PD-L1 protein expression ≥5.
  • Epstein-Barr virus-positive (EBV(+)).
  • mismatch repair-deficient (dMMR).
  • Microsatellite instability-high (MSI-H)
  • The Eastern Cooperative Oncology Group Performance status (ECOG PS) 0-1
  • Expected survival period ≥ 12 weeks
  • The main organ function meets the following criteria within 7 days before treatment:
  • Hemoglobin (Hb) level ≥9.0 g/dl
  • Neutrophil count (ANC)≥1.5×l09/L
  • Platelet (PLT) ≥100×109/L
  • Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) level ≤2.5×ULN
  • Alkaline phosphatase(ALP)level ≤2.5×ULN
  • Serum creatinine (Cr) level ≤1.5×ULN and creatinine clearance ≥60 ml/min
  • Thyroid stimulating hormone (TSH) level ≤1×ULN (if abnormal, should require normal serum free thyroid hormone (T4) and Normal serum free triiodothyronine (T3))

Exclusion

  • Confirmed at stage IV (AJCC 8th) or unresectable by investigator before randomization.
  • Prior chemotherapy, radiotherapy, surgery immunotherapy or molecular targeted therapy for gastric cancer;
  • Patients who have HER2 positive confiemed with IHC3+ or IHC2+ and FISH positive
  • Patients are allergic to study medication and its ingredients
  • Patients with a history of following treatments:
  • Prior therapy with a PD-1, anti-PD-Ligand 1 (PD-L1) or CTLA-4 agent
  • Prior therapy with tyrosine kinase inhibitor within 2 weeks.
  • Patients who have participated in other clinical trials of anti-tumor drugs within four weeks
  • Have vaccination with attenuated live vaccines within 4 weeks prior to initiation of the study treatment or plan to vaccinate during the study;
  • Concurrent medical condition requiring the use of cortisol (\>10mg/day Prednisone or equivalent dose) or other systematic immunosuppressive medications within 14 days before the study treatment. Except: inhalation or topical corticosteroids. Doses \> 10 mg/day prednisone or equivalent for replacement therapy
  • Patients have experienced or currently has other malignancies within 5 years.
  • Patients have an active or history of autoimmune disease that may recur or require immunosuppressive drugs within 2 weeks or less or during the study. Or have a history of immunodeficiency, including HIV-positive or other acquired, congenital immunodeficiency disease, or a history of organ transplantation
  • Patients with other severe acute or chronic conditions that may increase the risk of participation in the study and study treatment, or may interfere with interpretation of study results, and judged by the investigator as not suitable for participation in this clinical trial.
  • Within 2 weeks or 2 weeks before randomization, patients have an active or uncontrollable infection that requires systemic antibiotic treatment
  • Diagnosed with interstitial pneumonia, non-infectious pneumonia, pulmonary fibrosis, acute lung disease;
  • Patients with active tuberculosis or receiving previous anti-tuberculosis therapy within one year
  • Women who are pregnant, breast-feeding or planning to become pregnant during treatment or within 6 months after treatment ends.
  • Patients have a history of psychotropic substance abuse and are unable to quit or have a mental disorder

Key Trial Info

Start Date :

March 12 2021

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 30 2024

Estimated Enrollment :

110 Patients enrolled

Trial Details

Trial ID

NCT04744649

Start Date

March 12 2021

End Date

December 30 2024

Last Update

November 15 2022

Active Locations (10)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 3 (10 locations)

1

Fujian Provincial Hospital

Fuzhou, Fujian, China

2

The First Affiliated Hospital of Xiamen University

Xiamen, Fujian, China

3

Nanfang Hospital, Southern Medical University

Guangzhou, Guangdong, China, 510-515

4

The six affiliated hospital, Sun Yat-sen University

Guangzhou, Guangdong, China, 510515