Combining immunotherapy and chemotherapy for advanced gastric cancer

Phase II Study of Neoadjuvant Immunotherapy Plus Chemotherapy in Borrmann Type 4 and Large Type 3 Gastric Cancer (Neo-ICEBOAT Study)

Phase 2 Interventional Sun Yat-sen University · NCT06451211

This study is testing if combining a new immune treatment with chemotherapy can help people with advanced gastric cancer feel better and improve their chances of recovery.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment53 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorSun Yat-sen University Academic / other
Drugs / interventionschemotherapy, immunotherapy, Tislelizumab
Locations1 site (Guangzhou, Guangdong)
Trial IDNCT06451211 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate the effectiveness and safety of combining immunotherapy with chemotherapy in patients diagnosed with Borrmann type 4 or large type 3 gastric cancer. Participants will receive the anti-PD-1 inhibitor Tislelizumab along with platinum-based chemotherapy regimens in a 3-week cycle, followed by a radical surgical operation after completing six cycles of treatment. The study focuses on patients with specific histological confirmations and staging of gastric adenocarcinoma, ensuring a targeted approach to this rare cancer type.

Who should consider this trial

Good fit: Ideal candidates are males and females aged 18-70 with histologically confirmed advanced gastric adenocarcinoma and specific tumor characteristics.

Not a fit: Patients with peritoneal metastasis or those who have received prior anti-tumor therapy may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could improve treatment outcomes for patients with advanced gastric cancer.

How similar studies have performed: While similar approaches have been explored, this specific combination for this rare gastric cancer type is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Histologically confirmed gastric adenocarcinoma,cT1-2N+M0 or cT3-4NanyM0;
* Males or females, aged 18-70 years;
* Gastroscopy and abdominal computed tomography (CT) scan-confirmed typical scirrhous gastric cancer (borrmann type 4) or large type 3 (over 8 cm);
* No peritoneal metastasis confirmed by laparoscopic exploration and with cytological examination of peritoneal washing of the Douglas pouch;
* ECOG performance status 0 or 1;
* Sufficient organ function:

  * white blood cell count \> 4\*10\^9/L, neutrophil cell count \> 1.5\*10\^9/L, hemoglobin \> 90 g/L, platelet count \> 100\*10\^9 /L
  * Serum bilirubin ≤ 1.5×upper limit of normal (ULN), AST, ALT ≤ 2.5×ULN
  * Creatinine ≤ 1.5 ×ULN or serum clearance \> 60 ml/min
  * INR and aPTT ≤ 1.5 × ULN, only for subjects not receiving anticoagulant therapy;Subjects undergoing coagulation therapy should use a stable dose
* No prior anti-tumor therapy;
* Have signed informed consent before the beginning of treatment.

Exclusion Criteria:

* History of another malignancy within the last five years;
* Previous cytotoxic chemotherapy, radiotherapy or immunotherapy
* Unable to take drugs orally
* Allergic to to any drug of the study regimen;
* Women who are pregnant or breastfeeding or may be pregnant

Where this trial is running

Guangzhou, Guangdong

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Stomach NeoplasmsGastric CancerLinitis Plastica of Stomach
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.