LDRT Combined With Immunochemotherapy for Colorectal Cancer With Liver Metastasis

Recruiting now · Phase 1

Conditions studied: Colorectal Cancer, Liver Metastasis, LDRT

In brief

In recent years, growing evidences have demonstrated promising synergistic antitumor effects of radiotherapy combined with immunotherapy. More over, LDRT may enhance the antitumor effect of immunotherapy by altering the tumor immune microenvironment (TIME) and adjusting the immune response. In this study, we will explore the safety and feasibility of LDRT and immunochemotherapy in liver metastatic colorectal cancer. 9-18 participants will be enrolled in this study. All will take part at Daping Hospital, Army Medical University.

Key facts

Study ID

NCT06848465

Run by

Daping Hospital and the Research Institute of Surgery of the Third Military Medical University

People needed

9

Starts

2025-02-28

Expected to finish

2027-11-30

Last updated by the study team

2026-04-03

Who can join

Age: 18 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age between18 and 75 years old.
• Histopathological confirmed MSS/pMMR adenocarcinoma of the colon or rectum.
• The clinical baseline stage of rectal cancer assessed by MRI/CT/Transrectal ultrasound was T3-4Nx or TXN1-2.
• Simultaneous liver metastasis confirmed by imaging examination.
• No previous antitumor treatment.
• An Eastern Cooperative Oncology Group (ECOG) performance status ≤1.
• Adequate cardiac function (Left Ventricular Ejection Fractions > 50%), hepatic function (total serum bilirubin ≤ 1.5 × upper limit of normal, alanine aminotransferase or aspartate aminotransferase ≤ 2.5 × upper limit of normal), renal function (serum creatinine ≤ 1.5 × ULN or glomerular filtration rate > 60 ml/min, based on Cockcroft-Gault), and hematopoietic function (white blood cells ≥ 4.0 × 109 cells per L, neutrophils ≥ 1.5 × 109 cells per L, hemoglobin ≥ 90 g/L, platelets ≥ 100 × 109 cells per L).
• Sign the informed consent and have good compliance.

You may not qualify if…

• Distant metastasis from other than the liver.
• BMI < 18.5 kg/m² or weight loss ≥ 10% within the past 6 months (with consideration of the impact of large amounts of pleural and ascitic fluid on body weight).
• Received any of the following treatments: any investigational drug; enrolled in another clinical trial concurrently, unless it is an observational (non-interventional) clinical study; received anti-tumor vaccines or live vaccines.
• Active autoimmune diseases, or a history of autoimmune diseases. A history of liver disease including, but not limited to HBV infection or HBV DNA positive(≥1×10\^4/ml), HCV infection or HCV DNA positive(≥1×10\^3/ml) and liver cirrhosis.
• History of immunodeficiency, including positive HIV test, or other acquired or congenital immunodeficiency diseases, or history of organ transplantation and allogeneic bone marrow transplantation.
• A history of heart disease within 6 months (including congestive heart failure, acute myocardial infarction, severe/unstable angina, coronary artery bypass grafting, cardiac insufficiency ≥ NYHA grade 2 and LVEF<50%).
• The presence of a clinically detectable second primary malignancy, or history of other malignancies within 5 years excluding adequately treated non-melanoma skin cancer, carcinoma in situ of cervix and superficial bladder tumour (non-invasive tumour, or carcinoma in situ, or T1).
• Pregnant or lactating women.
• The investigator considers that the subject is not suitable to participate in this clinical study due to any clinical or laboratory abnormalities or compliance problems.

Where it is running

• Army Medical Center — Chongqing, Chongqing Municipality, China (enrolling)
• Daping Hospital, Army Medical University — Chongqing, Chongqing Municipality, China

Full record on ClinicalTrials.gov

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