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Trial Title: A Randomized, Multicenter Phase II Basket Study of Hypofractionated Radiotherapy/Stereotactic Body Radiotherapy Followed by Immunotherapy-Based Systemic Therapy +/- L. Rhamnosus M9 for the First-Line Treatment of Advanced Digestive System Malignancies.

NCT ID: NCT06349044

Condition: Her-2 Negative Adenocarcinoma of the Gastro-oesophageal Junction/Gastric Adenocarcinoma
Hepatocellular Carcinoma
Biliary Tract Carcinoma
Colorectal Adenocarcinoma

Conditions: Official terms:
Carcinoma
Adenocarcinoma
Gemcitabine
Capecitabine
Oxaliplatin
Antibodies
Antibodies, Monoclonal

Conditions: Keywords:
radiotherapy
immunotherapy
L. rhamnosus M9

Study type: Interventional

Study phase: N/A

Overall status: Recruiting

Study design:

Allocation: Randomized

Intervention model: Parallel Assignment

Primary purpose: Treatment

Masking: Double (Participant, Care Provider)

Intervention:

Intervention type: Radiation
Intervention name: Hypofractionated radiotherapy/SBRT(5-10Gy/fx,3-5 fx)
Description: RT: one primary or metastatic focus was selected for hypofractionated radiotherapy/SBRT (5-10 Gy/fx, 3-5 fx) in each round, the target area included only the GTV of the visible tumor lesion, and the GTV was expanded by 5-10 mm to generate the PTV, and the prophylactic lymphatic drainage area could not be irradiated.
Arm group label: ARM A*:Her-2 negative adenocarcinoma of the gastroesophageal junction/gastric adenocarcinoma
Arm group label: ARM A:Her-2 negative adenocarcinoma of the gastroesophageal junction/gastric adenocarcinoma
Arm group label: ARM B*: Liver adenocarcinoma
Arm group label: ARM B: Liver adenocarcinoma
Arm group label: ARM C*: Malignant tumors of the biliary system
Arm group label: ARM C: Malignant tumors of the biliary system
Arm group label: ARM D*:Colorectal cancer
Arm group label: ARM D:Colorectal cancer

Intervention type: Drug
Intervention name: Anti-PD-1 monoclonal antibody
Description: Sintilimab 200mg d1 iv q3w
Arm group label: ARM A*:Her-2 negative adenocarcinoma of the gastroesophageal junction/gastric adenocarcinoma
Arm group label: ARM A:Her-2 negative adenocarcinoma of the gastroesophageal junction/gastric adenocarcinoma
Arm group label: ARM B*: Liver adenocarcinoma
Arm group label: ARM B: Liver adenocarcinoma
Arm group label: ARM C*: Malignant tumors of the biliary system
Arm group label: ARM C: Malignant tumors of the biliary system
Arm group label: ARM D*:Colorectal cancer
Arm group label: ARM D:Colorectal cancer

Intervention type: Drug
Intervention name: Oxaliplatin and Capecitabine
Description: Oxaliplatin130mg/m2 d1 iv;Capecitabine1000mg/m2 d1-d14
Arm group label: ARM A*:Her-2 negative adenocarcinoma of the gastroesophageal junction/gastric adenocarcinoma
Arm group label: ARM A:Her-2 negative adenocarcinoma of the gastroesophageal junction/gastric adenocarcinoma
Arm group label: ARM D*:Colorectal cancer
Arm group label: ARM D:Colorectal cancer

Intervention type: Drug
Intervention name: Anti-VEGF 15mg/kg
Description: Bevacizumab 15mg/kg d1 iv q3w
Arm group label: ARM B*: Liver adenocarcinoma
Arm group label: ARM B: Liver adenocarcinoma

Intervention type: Drug
Intervention name: Anti-VEGF 7.5mg/kg
Description: Bevacizumab 7.5mg/kg d1 iv q3w
Arm group label: ARM D*:Colorectal cancer
Arm group label: ARM D:Colorectal cancer

Intervention type: Drug
Intervention name: Gemcitabine and Cisplatin
Description: Gemcitabine1000mg/m2 d1 d8 iv;Cisplatin 25mg/m2 d1 d8 iv q3w
Arm group label: ARM C*: Malignant tumors of the biliary system
Arm group label: ARM C: Malignant tumors of the biliary system

Summary: Based on the interaction between radiation therapy and immunotherapy and the potential potentiation of Probio-M9 for the treatment of ICIs, this study is planned to design an integrated treatment protocol for the first-line treatment of advanced gastrointestinal tumors through the use of macrofractionated radiotherapy as a means of immune activation, combined with the synergistic effect of Probio-M9 microbial agents and PD-1 inhibitors.

Criteria for eligibility:
Criteria:
Inclusion Criteria: - histopathologically confirmed diagnosis of malignant tumors of the gastrointestinal tract (including Her-2 negative adenocarcinoma of the gastroesophageal junction/gastric adenocarcinoma, hepatocellular carcinoma, malignant tumors of the biliary system, colorectal cancer); - advanced patients evaluated as initially non-operable resectable who have not received any antitumor therapy; - have at least one measurable or evaluable lesion according to RECIST v1.1 criteria in addition to the primary lesion, with non-operable resectable lymph node metastases to the liver, lung, bone, pelvis, retroperitoneum and/or superficial sites (except for brain metastases), as evaluated by discussion in the framework of the MDT - age 18-75 years; - ECOG score of 0-1; - be able to accept the treatment regimen during the study; - sign a written informed consent. Exclusion Criteria: - a history of uncontrolled epilepsy, central nervous system disease, or psychiatric disorder of clinical severity that, in the judgment of the investigator, may preclude the signing of an informed consent form or interfere with the patient's adherence to oral medication; - prior immunotherapy for any indication or a history of severe hypersensitivity reactions to other monoclonal antibodies; - clinically significant (i.e., active) cardiac disease, such as symptomatic coronary artery disease, New York Heart Association (NYHA) class II or worse congestive heart failure or severe arrhythmias requiring pharmacologic intervention, or history of myocardial infarction within the last 12 months; - organ transplantation requiring immunosuppressive therapy; - a history of other malignant disease within the last five years; - persons with severe uncontrolled recurrent infections, or other severe uncontrolled concomitant diseases; - Subjects whose baseline blood routine and biochemical indexes do not meet the following criteria: hemoglobin ≥80g/L; absolute neutrophil count (ANC) ≥1.5×10^9/L; platelets ≥100×10^9/L; ALT, AST ≤2.5 times the upper limit of normal; ALP ≤2.5 times the upper limit of normal; serum total bilirubin <1.5 times the upper limit of normal; serum creatinine <1 times the upper limit of normal; and serum creatinine <1 times the upper limit of normal. times the upper limit of normal; - the patient currently has active gastrointestinal diseases such as active gastric and duodenal ulcers, ulcerative colitis, or active bleeding from unresected tumors, or other conditions that may cause gastrointestinal bleeding or perforation as determined by the investigator; - persons with active bleeding or bleeding tendencies; - women who are pregnant or breastfeeding; - allergy to any of the study drug ingredients.

Gender: All

Minimum age: 18 Years

Maximum age: 75 Years

Healthy volunteers: No

Locations:

Facility:
Name: Zhengjiang Cancer Hospital

Address:
City: Hangzhou
Country: China

Status: Recruiting

Contact:
Last name: Ji Zhu

Phone: 13501978674
Email: zhuji@zjcc.org.cn

Start date: March 20, 2024

Completion date: December 31, 2025

Lead sponsor:
Agency: Zhejiang Cancer Hospital
Agency class: Other

Source: Zhejiang Cancer Hospital

Record processing date: ClinicalTrials.gov processed this data on November 12, 2024

Source: ClinicalTrials.gov page: https://clinicaltrials.gov/ct2/show/NCT06349044

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