A Multicenter Single-arm Prospective Clinical Study on First-line Treatment of Pancreatic Cancer Liver Metastases With Arterial Infusion Chemotherapy and Embolization Combined With Dual Immune Checkpoint Inhibitors.

Starting soon · Phase 2

Conditions studied: Pancreatic Cancer Liver Metastases, Immunotherapy-naive

In brief

To evaluate the efficacy of arterial infusion chemotherapy and embolization combined with iparplidutol-volerilis (QL1706) as first-line treatment for pancreatic cancer liver metastases based on progression-free survival (PFS).

Key facts

Study ID

NCT07333287

Run by

Shandong Provincial Hospital

People needed

38

Starts

2026-02-01

Expected to finish

2028-11-30

Last updated by the study team

2026-01-12

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 1. Voluntarily participate in this study, sign the informed consent form, demonstrate good compliance, and cooperate with follow-up visits.
• Male or female, aged 18 to 75 years. 3. ECOG performance status score of 0 to 1. 4. Expected survival ≥ 3 months. 5. Histologically or cytologically confirmed, previously untreated unresectable pancreatic ductal adenocarcinoma with liver metastases (TNM stage: IV).
• Must have measurable lesions according to RECIST 1.1 criteria. 7. No prior systemic therapy for pancreatic cancer or liver metastases, including chemotherapy, targeted therapy, or immunotherapy. (Note: Patients who received only one prior cycle of treatment, or oral targeted/chemotherapy agents for a cumulative duration ≤ 14 days, or those with recurrence more than six months after completing adjuvant chemotherapy may be considered for inclusion.) 8. Selective arterial catheterization and angiography demonstrate staining of pancreatic tumors and liver metastases. Patients with good tumor blood supply are eligible for this study.
• No local treatment (including transarterial chemoembolization/TACE, hepatic arterial infusion chemotherapy/HAIC, radiotherapy, radioembolization, or ablation, etc.) on target lesions within 28 days before the first dose of the study drug.
• Recovery from toxicities caused by prior therapies: ≥4 weeks since prior cytotoxic drugs, radiotherapy, or surgery, with wounds fully healed.
• No prior treatment with anti-PD-1, anti-PD-L1, anti-CTLA-4 antibodies, or CAR-T cell therapy.
• Adequate organ function must be confirmed within 28 days before the first dose (without transfusion or use of blood products, G-CSF, or other hematopoietic growth factors for correction within 14 days prior to laboratory tests):
• Absolute neutrophil count (ANC) ≥1.5×10⁹/L (without G-CSF support within 14 days).
• Platelets ≥100×10⁹/L (without transfusion within 14 days).
• Hemoglobin >9 g/dL (without transfusion or erythropoietin use within 14 days).
• Total bilirubin ≤1.5×ULN.
• AST and ALT ≤2.5×ULN.
• Serum creatinine ≤1.5×ULN and calculated creatinine clearance (Cockcroft-Gault formula) ≥60 mL/min.
• Adequate coagulation function, defined as INR or PT ≤1.5×ULN.
• Normal thyroid function, defined as TSH within normal range. If baseline TSH is abnormal, patients may still be enrolled if total T3 (or FT3) and FT4 are within normal limits.
• Cardiac enzymes within normal range (isolated laboratory abnormalities deemed clinically insignificant by the investigator are allowed).
• Males and females of childbearing potential must agree to use highly effective contraception from the time of signing the informed consent form until at least 5 months (for females) or 7 months (for males) after the last dose of the study drug. Women of childbearing potential must not be pregnant or breastfeeding.

You may not qualify if…

• **Subjects meeting any of the following criteria will be excluded from this study:**
• Diagnosis of another malignancy within 5 years prior to the first dose, unless cured (exceptions include radically treated basal cell carcinoma of the skin, squamous cell carcinoma of the skin, and/or carcinoma in situ that has undergone radical resection).
• Currently participating in an interventional clinical study or having received other investigational drugs or devices within 4 weeks prior to the first dose.
• Prior therapy with anti-PD-1, anti-PD-L1, anti-PD-L2 agents, or drugs targeting another stimulatory or co-inhibitory T-cell receptor (e.g., CTLA-4, OX-40, CD137).
• Poor tumor blood supply as observed during selective arterial catheterization and angiography of pancreatic tumors and liver metastases.
• Systemic treatment with Chinese herbal medicine with anti-tumor indications or immunomodulatory drugs within 2 weeks prior to the first dose.
• Active autoimmune disease requiring systemic treatment (e.g., disease-modifying agents, corticosteroids, or immunosuppressants) within 2 years prior to the first dose. Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement for adrenal or pituitary insufficiency) is not considered systemic treatment.
• Current systemic corticosteroid therapy (excluding nasal sprays, inhalational, or other local corticosteroids) or any other form of immunosuppressive therapy within 7 days prior to the first dose.
• Note:** Physiological doses of corticosteroids (e.g., ≤10 mg/day prednisone or equivalent) are permitted.
• Known history of allogeneic organ transplantation (except corneal transplantation) or allogeneic hematopoietic stem cell transplantation.
• Known hypersensitivity to iparomlimab and tuvonralimab or any excipients of the combined chemotherapy drugs used in this study.
• Insufficient recovery from toxicities and/or complications of prior interventions (i.e., not recovered to ≤ Grade 1 or baseline, excluding fatigue or alopecia) before starting treatment.
• Known history of human immunodeficiency virus (HIV) infection (i.e., positive for HIV 1/2 antibodies).
• Untreated active hepatitis B (defined as HBsAg positive with HBV-DNA copy number above the upper limit of normal [ULN] at the local laboratory).
• Note:** Subjects with hepatitis B meeting the following criteria may be enrolled:
• HBV viral load < 1000 copies/mL (200 IU/mL) prior to the first dose. The subject must receive anti-HBV therapy throughout the study chemotherapy treatment period to prevent viral reactivation.
• Subjects who are anti-HBc (+), HBsAg (-), anti-HBs (-), and have undetectable HBV viral load do not require prophylactic anti-HBV therapy but require close monitoring for viral reactivation.
• Active HCV infection (HCV antibody positive with HCV-RNA levels above the lower limit of detection).
• Administration of a live vaccine within 30 days prior to the first dose (Cycle 1, Day 1).
• Note:** Inactivated seasonal influenza vaccines administered by injection are permitted within 30 days prior to the first dose. However, live attenuated influenza vaccines administered intranasally are not permitted.
• Pregnant or breastfeeding women.
• Any severe or uncontrolled systemic disease, such as:
• Resting ECG showing significant and symptomatic abnormalities in rhythm, conduction, or morphology (e.g., complete left bundle branch block, second-degree or higher heart block, ventricular arrhythmia, or atrial fibrillation).
• Unstable angina, congestive heart failure, or chronic heart failure of New York Heart Association (NYHA) Class ≥2.
• Myocardial infarction within 6 months prior to enrollment.

Full record on ClinicalTrials.gov

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