A Phase II Study of TACE Plus PD-1 Antibody in the Locally Advanced Stomach Adenocarcinoma

  • STATUS
    Recruiting
  • End date
    Jan 9, 2026
  • participants needed
    71
  • sponsor
    Shanghai Zhongshan Hospital
Updated on 9 June 2022

Summary

This study is a phase II, prospective, single-center, single-arm trial to evaluate the efficacy and safety of the combination of neoadjuvant transcatheter arterial chemoembolization (TACE) and PD-1 antibody Tislelizumab in the locally advanced stomach adenocarcinoma. The primary purpose of this study is to evaluate the pathologic complete response (pCR) rate of TACE plus Tislelizumab. The second purpose is to evaluate pathologic response rate (pRR), objective Response Rate (ORR), overall survival (OS) and progression-free survival (PFS) of the patients enrolled in this study.

Description

The treatment of advanced gastric cancer has been a significant global health problem. With surgery still the backbone, various clinical trials have shown the benefit of perioperative treatment to gastric cancer patients.

The report of transcatheter arterial chemoembolization (TACE) treatment in gastric cancer is relatively limited, though different case reports have showed its efficacy and safety in advanced gastric cancer. With transarterial infusion chemotherapy, TACE increases the local concentration of chemotherapeutic agents and reduces adverse reaction. With embolization, TACE blocks the blood supply and causes the necrosis of tumors, in this way exposing tumor antigen and promoting tumor immunity. The combination of TACE and PD-1 antibody is expected to further boost tumor immunity.

Meanwhile, Noman et.al. reported hypoxia could upregulate PD-L1 by activating HIF-1alpha. So, embolism may lead to immune evasion of tumors by upregulating PD-L1, but on the other side generate targets for PD-1/PD-L1 therapies.

Based on those knowledges, we designed this phase II, prospective, single-center, single-arm trial to evaluate the efficacy and safety of the combination of neoadjuvant transcatheter arterial chemoembolization (TACE) and PD-1 antibody Tislelizumab in the locally advanced stomach adenocarcinoma. The primary purpose of this study is to evaluate the pathologic complete response (pCR) rate of TACE plus Tislelizumab. The second purpose is to evaluate pathologic response rate (pRR), objective Response Rate (ORR), overall survival (OS) and PFS (progression-free survival) of the patients enrolled in this study.

Details
Condition Advanced Gastric Cancer
Treatment Transcatheter Arterial Chemoembolization, tislelizumab
Clinical Study IdentifierNCT04799548
SponsorShanghai Zhongshan Hospital
Last Modified on9 June 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Male or female, aged 18 to 75 years old
KPS score >=80
Gastric adenocarcinoma diagnosed pathologically
According to endoscopic ultrasonography/enhanced CT/MRI/PET-CT examination and laparoscopic exploration, clinical staging is determined to be cT3/4aN+M0 (according to AJCC TNM 8th edition)
According to the RECIST1.1 standard, there is at least one evaluable lesion in the abdominal CT/MRI
The surgeons participating in this study judged the lesion to be resectable
Physical condition allows the surgery
The blood routine and biochemical indexes of the subjects met standards within 7 days before enrollment
There are no serious concomitant diseases that make the survival time <5 years
Female subjects with fertility are not allowed to get pregnant or breastfeeding
Be willing and able to comply with the plan and follow-up procedures during the research period

Exclusion Criteria

There are any signs of distant metastasis or local unresectable factors
Those who are allergic to contrast agents
Those who have received cytotoxic chemotherapy, radiotherapy, immunotherapy or radical surgery for the treatment of this gastric cancer, except for corticosteroids
Patients who have active autoimmune diseases or have a history of autoimmune diseases but may relapse
Any active malignant tumors within 2 years, except the specific cancers under study in this trial and locally recurring cancers that have been cured (such as resected basal cell or squamous cell skin cancer, superficial bladder cancer, cervical or breast cancer)
There is uncontrollable pleural effusion, pericardial effusion or ascites that requires frequent drainage within 14 days before enrollment
Patients with gastrointestinal bleeding within two weeks prior to enrollment, or those with high bleeding risk as judged by the investigators
Gastrointestinal perforation and/or fistula occurred within 6 months before enrollment
Upper gastrointestinal obstruction or abnormal physiological function or suffering from malabsorption syndrome, which may affect the absorption of drugs
Weight loss >=20% within 2 months before enrollment
A history of the following lung diseases: interstitial lung disease, non-infectious pneumonia, pulmonary fibrosis, acute lung disease, etc
There are uncontrollable systemic diseases including diabetes, hypertension, etc
Severe chronic or active infections requiring systemic antibacterial, antifungal or antiviral therapy, including tuberculosis, HIV infection, etc
Untreated patients with chronic hepatitis B or chronic HBV carriers with hepatitis B virus (HBV) DNA exceeding 500 IU/mL, or hepatitis C virus (HCV) RNA positive patients should be excluded
Any of the following cardiovascular risk factors (refer to Research Guide)
Known peripheral nerve disease >=NCI CTCAE Grade 1. However, patients with only the disappearance of the deep tendon reflex (DTR) need not be excluded
Moderate or severe renal damage [creatinine clearance equal to or lower than 50 ml/min (calculated according to the Cockroft and Gault equation)], or serum creatinine>ULN
People with known dihydropyrimidine dehydrogenase (DPD) deficiency
Those who are allergic to any research drug ingredients
Have had allogeneic stem cell transplantation or organ transplantation
Patients requiring systemic treatment with corticosteroids (dose higher than 10 mg/d of prednisone or equivalent doses of similar drugs) or other immunosuppressive agents <=14 days before enrollment
Have received live vaccines within 4 weeks before enrollment. (Remarks: Seasonal flu vaccines are usually inactivated vaccines and are allowed to be used. Vaccines used in the nasal cavity are live vaccines and are not allowed.)
Have received immunotherapy (such as interleukin, interferon, thymosin, etc.) or any trial treatment within 28 days or 5 half-lives (whichever is shorter, but at least 14 days) before enrollment
Palliative radiotherapy was performed within 14 days before enrollment
Have received anti-PD-1, anti-PD-L1, anti-PD-L2 or any other specific targeting T cell costimulation or checkpoint pathway antibodies or drug therapy
Underwent major surgery within 28 days prior to enrollment, unless the surgery was minimally invasive (for example, central venous catheterization via peripheral venipuncture [PICC])
For people with a history of uncontrolled epilepsy, central nervous system disease, or mental disorder, the investigator will determine whether the clinical severity hinders the signing of informed consent or affects the patient's compliance with oral medications
There is a potential medical condition or alcohol/drug abuse or dependence that the investigator believes is not conducive to the administration of the study drug or that affects the interpretation of drug toxicity or adverse events
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