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NCT07321847

PHASE2/PHASE3

Injection of IP-001 Into Thermally Ablated Hepatic Tumors in Patients With Colorectal Liver Metastases

Sponsor: Immunophotonics, Inc.

View on ClinicalTrials.gov

Summary

The goal of this clinical trial is to learn if a new injectable drug (IP-001), administered after standard liver tumor ablation, can help prevent cancer from returning in people (males/females, ≥18 years old) with colorectal cancer that has spread only to the liver. The study will determine if injecting IP-001 into a liver tumor(s) after ablation will reduce the risk of cancer coming back in the liver and from spreading elsewhere in the body, will stimulate the immune system, will have any side effects, and will help improve a patient's response to other cancer therapies. Researchers will compare a standard of care liver ablation alone (microwave ablation \[MWA\], a technique that destroys tumors using heat), with MWA plus a high-dose IP-001 or MWA with a low-dose IP-001. During the treatment procedures, the doctor first performs the standard microwave ablation to destroy the tumor. Then, in the experimental-drug arms, IP-001 is injected in and around the treated tumor area to activate the immune system locally so that the body is more likely to find and eliminate any remaining cancer cells.

Official title: Intratumoral Injection of IP-001 Following Standard-of-care Complete Hepatic Tumor Ablation in Patients With Liver-only Metastatic Colorectal Cancer

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

717

Start Date

2026-05

Completion Date

2033-12

Last Updated

2026-01-07

Healthy Volunteers

Conditions

Colorectal Cancer (CRC)Colon Cancer Liver Metastases Rectal Cancer Rectal Cancer With Liver Metastases Colorectal Liver Metastasis (CRLM)

Interventions

DRUG

1.0% IP-001 for Injection, a 10 mg/mL solution of IP-001 in water

IP-001 is a novel, non-cytotoxic, immunostimulatory glycan polymer administered as a single intratumoral injection into the ablation zone immediately following standard of care image-guided microwave thermal ablation of a target tumor lesion.

DRUG

1.0% IP-001 for Injection, a 1 mg/mL solution of IP-001 in water.

PROCEDURE

Microwave (thermal) tumor ablation

Microwave ablation is a common medical procedure where doctors use imaging (like ultrasound or CT) to guide a thin probe into a tumor. The probe gives off microwave energy that heats up the tumor from the inside, causing the cancer cells in that spot to die. Unlike treatments such as chemotherapy or immunotherapy, which travel through the whole body, microwave ablation works only on the specific area being treated. It does not involve any drugs or medicines circulating in the bloodstream. It is a local treatment that targets just the tumor.

Inclusion Criteria: 1. Patients ≥ 18 y of age at the time of signing the Informed Consent Form in accordance with local regulatory and/or national laws and International Council for Harmonisation (ICH)/Good Clinical Practice (GCP) regulations (consent must be received before any study-specific activity is performed). 2. Patients with liver-only metastatic CRC (and no radiologic or clinical evidence of extrahepatic metastases) with: 1. No more than 5 CRLM (≤ 3 cm for largest diameter) 2. An indication to receive percutaneous or laparoscopic SOC complete CRLM ablation with the intent of leaving no detectable liver disease 3. Tumors amenable to ablation treatment in a single session 4. No residual primary colorectal tumor at Treatment Day 1 or plans to have the primary tumor excised within 4-12 weeks following Treatment Day 1. (Patients with rectal cancer who underwent chemoradiotherapy for the primary cancer must have a complete clinical response.) 3. Prior systemic anticancer treatment for metastatic colorectal cancer is permitted but not required. Patients must have received no more than two prior lines of systemic anticancer treatment for mCRC. 4. Eastern Cooperative Oncology Group (ECOG) Performance Status 0 2. 5. Patients with adequate hematological function (defined as an absolute neutrophil count ≥ 1.5 × 109/L, hemoglobin level ≥ 9 g/dL, and platelet count ≥ 50 × 109/L) and coagulation function (defined as a partial thromboplastin time \[PTT\] or activated PTT \[aPTT\] and international normalized ratio \[INR\] ≤ 1.5 × the upper limit of normal \[ULN\]). (Note: the criteria for adequate hematological function must be met without erythropoietin dependency, use of growth factors, or the requirement for transfusions of blood, coagulation factors, platelets, or albumin within 14 d of Treatment Day 1.) 6. Patients with adequate hepatic function, defined as aspartate aminotransferase (AST) and alanine aminotransaminase (ALT) levels of ≤ 5 × the ULN, and a total bilirubin level ≤ 1.5 × the ULN (patients with documented Gilbert disease are allowed to participate in the study if their total bilirubin level is ≤ 3 × the ULN). 7. Patients with adequate renal function, defined as an estimated glomerular filtration rate (eGFR) ≥ 30 mL/min or an estimated creatinine clearance ≥ 40 mL/min (measured or calculated using the Cockcroft-Gault formula). 8. Women with childbearing potential (WOCBP) 1. Must have a negative serum human chorionic gonadotropin pregnancy test in the Screening Period. 2. Are using highly effective contraception, are not lactating, and agree not to become pregnant during the trial treatment period and for 187 days after treatment with the investigational drug. 9. Men agree not to donate sperm or to father a child during the trial treatment period and for 97 days after treatment with the investigational drug. Exclusion Criteria: 1. Patients from vulnerable populations (incapacitated or unconscious individuals, persons deprived of liberty). 2. Patients with a known allergic reaction or hypersensitivity to shellfish, crabs, crustaceans, or any components used in trial treatment. 3. Patients with any prior treatment with IP-001 for Injection in a different clinical trial. 4. Patients who underwent any surgical liver resection, hepatic ablation or other hepatic locoregional therapy for CRLM within 3 months before Treatment Day 1; patients who received any other medical procedure, SACT, or treatment with any other investigational anticancer agents within 14 days before Treatment Day 1, or patients who at study enrollment have plans to receive SACT or locoregional therapies/procedures prior to intrahepatic or extrahepatic progression. 5. Patients with a condition requiring systemic treatment with either corticosteroids (\> 10 mg daily prednisone equivalent) or other immunosuppressive medications within 14 d of randomization. Inhaled or topical steroids and adrenal replacement steroid doses (\> 10 mg daily prednisone equivalent) are permitted in the absence of active autoimmune disease. 6. Patients who at screening have not recovered back to baseline or ≤ Grade 1 per National Cancer Institute (NCI)-Common Terminology Criteria for Adverse Events (CTCAE) guidelines v6.0 from ongoing conditions related to any prior medicinal or procedural treatments (including major surgery) except for residual toxicities, unless conditions are deemed clinically non-significant by the Investigator and/or stable on supportive therapy (in consultation with Sponsor Medical Monitor), such as alopecia or Grade 2 neuropathy. 7. Patients with any extrahepatic nodal or non-nodal CRC metastases, except: 1. History of infiltrated regional lymph nodes associated with the primary tumor if these lymph nodes were removed together with the primary tumor. 2. Pulmonary nodules unless they are considered suspect for metastases because they show at least one of the following characteristics: i. new or increasing in size (at least 20% increase in longest diameter) in the last 12 mo; ii. unequivocal 18F-FDG tracer-uptake on PET; iii. solitary nodule \>1 cm; iv. 2 - 5 nodules with at least 1 ≥ 0.8 cm; v. more than 5 nodules (excluding nodules that are stable in size over at least 1 y). 8. Patients with a history of another active malignancy within 2 years prior to Treatment Day 1, except for superficial skin cancers or localized, low-grade tumors deemed cured and not treated with systemic therapy. Patients with incidental prostate cancer may enroll if Stage ≤ T2N0M0 and Gleason score ≤ 6. 9. Patients with bleeding diathesis or anti-coagulation treatment that cannot be stopped 24 hours prior to Treatment Day 1 (low-dose aspirin will be allowed). 10. Patients who have one of the following cardiovascular disorders: 1. Severe or uncontrolled cardiovascular disease (congestive heart failure New York Heart Association classification III or IV), or 2. Unstable angina pectoris or a history of myocardial infarction within the last 6 mo, or 3. Serious arrhythmias requiring medication (with the exception of atrial fibrillation or paroxysmal supraventricular tachycardia), or 4. Significant QT-prolongation (QTcF ≥ 480 msec on screening electrocardiogram \[ECG\] \[QTcF interval is not relevant in patients with pacemaker-controlled arrythmia\]), or 5. Uncontrolled hypertension, defined as a resting systolic blood pressure \> 150 mmHg and/or resting diastolic blood pressure \> 90 mmHg, which cannot be controlled by anti-hypertensive therapy. 11. Patients with any of the following infections/diseases: 1. Known history of human immunodeficiency virus infection, 2. Known active Hepatitis B or C viral infection, 3. Any uncontrolled active systemic infection requiring intravenous antimicrobial treatment during screening, 4. Any active, known, or suspected autoimmune disease. 12. Patients with a requirement for hemodialysis or peritoneal dialysis. 13. Patients with a history of idiopathic pulmonary fibrosis, organizing pneumonia, drug-induced pneumonitis, idiopathic pneumonitis, or evidence of active pneumonitis on screening chest computed tomography (CT) scan or cavitating pulmonary lesion(s) or a known endobronchial disease manifestation. 14. Patients who received a live, attenuated vaccine within 28 days of Treatment Day 1. 15. Patients with any other serious underlying medical, psychological, familial, or geographical condition that, in the judgment of the Investigator, may limit compliance with the study or place the patient at high risk for treatment-related complications.