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Irreversible electroporation is a local ablative technique used in the treatment of pancreatic cancer. In addition to its cytoreductive ability, IRE also induces a systemic immune response. However, this immune response is not potent enough to establish durable regression of the tumor. The immune response can be leveraged by combining IRE with immunotherapy. The primary aim of this study is to determine the safety of IRE + Nivolumab (arm B) and IRE + Nivolumab + CpG (arm C). The secondary aim is to assess efficacy of the experimental arms (B, C) and control arm A (Nivolumab monotherapy), based on overall and progression-free survival as well as locoregional and systemic immune modulation.
Pancreatic carcinoma is one of the deadliest types of cancer. In contrast to other cancers, new treatment options have demonstrated only moderate improvements for pancreatic cancer in terms of overall survival. Patients with metastasized disease (stage IV, AJCC) that are treated with chemotherapy in the Netherlands currently present a median overall survival of 6.4 months. Previous research has shown promising results for patients with locally advanced pancreatic cancer (LAPC, stage III, AJCC) with regards to combination treatment with chemotherapy and irreversible electroporation (IRE), a local ablation technique that utilizes electrical pulses to destroy cancerous tissue. In addition to an increase in overall survival, IRE induced a systemic immune response. However, the immune response was not potent enough to generate a lasting anti-tumor effect. Leveraging the body's own immune response by using local and systemic immunotherapy may create a synergistic effect, potentially inducing a durable anti-tumor response. The PANFIRE-III is a prospective randomised phase 1 trial with the primary aim to determine safety of the combination therapies IRE + Nivolumab (arm B) and CpG + IRE + Nivolumab (arm C) in patients with oligo-metastasized pancreatic cancer. The secondary goal is to determine efficacy of the experimental arms (arm B, C) compared to the control arm A (Nivolumab monotherapy). This will be assessed by looking at the overall and progression-free survival as well as the locoregional and systemic immune response. The treatment combination of IRE with immunotherapy has the potential to generate systemic protection by in vivo vaccination against pancreatic cancer cells, hereby inhibiting both local and distant tumor growth.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Arm A: Nivolumab | Active Comparator | 4 weeks after pre-treatment with FOLFIRINOX (4-8 cycles), the patient will start with the Nivolumab scheme. The first month, a biweekly dose of 240 mg will be administered, followed by a monthly dose of 480 mg. This treatment will continue until disease progression. |
|
| Arm B: IRE + Nivolumab | Experimental | 4 weeks after pre-treatment with FOLFIRINOX (4-8 cycles), the patient will first receive (an incomplete) IRE of the primary pancreatic tumor. 2 weeks thereafter, they will start the Nivolumab scheme. The first month, a biweekly dose of 240 mg will be administered, followed by a monthly dose of 480 mg. This treatment will continue until disease progression. |
|
| Arm C: CpG + IRE + Nivolumab | Experimental | 4 weeks after pre-treatment with FOLFIRINOX (4-8 cycles), a toll-like receptor ligand (CpG) will be administered into the primary pancreatic tumor. A week later, the patient will receive (an incomplete) IRE of the primary tumor. 2 weeks thereafter, they will start the Nivolumab scheme. The first month, a biweekly dose of 240 mg will be administered, followed by a monthly dose of 480 mg. This treatment will continue until disease progression. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Irreversible Electroporation (IRE) | Device | Irreversible electroporation (IRE) is a local ablative technique that utilizes electrical pulses to destroy tumor tissue |
|
| Measure | Description | Time Frame |
|---|---|---|
| Safety of the combination treatment IRE + immunotherapy based on adverse events | Determined by the treatment related (serious) adverse events | From randomization until 1 year later |
| Measure | Description | Time Frame |
|---|---|---|
| Overall Survival | Overall survival in terms of months | From date of randomization until death, assessed up to 5 years |
| Progression-Free Survival | Progression-free survival in terms of months |
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Inclusion Criteria:
Exclusion Criteria:
Trans-mucosal tumor invasion into surrounding duodenum or stomach;
Active epilepsy (last convulsion < 5 years);
History of cardiac disease:
Known hypersensitivity to any oligodeoxynucleotides.
Compromised liver function defined as warning signs of portal hypertension, INR > 1,5 without use of anticoagulants, bilirubin > x 1.5 Upper limit of normal range (ULN) ASAT >3.0 x ULN, ALAT >3.0 x ULN.
Compromised kidney function defined as eGFR <30 ml/min (using the Cockcroft Gault formula);
Active autoimmune disease requiring disease-modifying therapy at the time of screening: i.e. > 10 mg prednisolone per day or equivalent to this regimen.
Uncontrolled hypertension. Blood pressure must be ≤160/95 mmHg at the time of screening on a stable antihypertensive regimen;
Uncontrolled infections (> grade 2 NCI-CTC version 3.0); requiring antibiotics
Pregnant or breast-feeding subjects; Women of childbearing potential must have a negative pregnancy test performed within 7 days of the start of treatment;
Immunotherapy prior to the procedure for the treatment of cancer;
Previous surgical therapy for pancreatic cancer;
Second primary malignancy with median 5 year OS < 90%, this excludes adequately treated cancers like: non-melanoma skin cancer, in situ carcinoma of the cervix uteri, superficial bladder cancer or other malignancies treated previously without signs of recurrence.
Allergy to contrast agent.
Allergy to PET tracers 18F-FDG and 18F-BMS-986192 Zr-89-Nivolumab
Any implanted stimulation device;
Portal vein or VMS stenosis > 70% (relative contra-indication)
Any condition that is unstable or that could jeopardize the safety of the subject and their compliance in the study.
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Florentine EF Timmer, MSc | Contact | +3120 444 4571 | f.timmer1@amsterdamumc.nl | |
| Bart Geboers, MD | Contact | +3120 444 4571 | b.geboers@amsterdamumc.nl |
| Name | Affiliation | Role |
|---|---|---|
| Martijn R Meijerink, MD, PhD | Amsterdam UMC, location VUmc | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Amsterdam University Medical Centre (location VUmc) | Recruiting | Amsterdam | North Holland | 1081HV | Netherlands |
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Step-up design. Arms A (monotherapy Nivolumab, 6 patients) and B (IRE + Nivolumab, 6 patients) will open first. A safety and toxicity analysis will be performed after the inclusion of patient 6 and patient 12. Arm C (CpG + IRE + Nivolumab, 6 patients) will open if the interim results demonstrate safety of arms A and B.
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| Nivolumab | Drug | Nivolumab is an immune checkpoint inhibitor targeting the PD-1 receptor on T-cells. Binding of the PD-1 monoclonal antibody onto the PD-1 receptor blocks the brake signal on the T-cells, allowing them to attack the cancer cells. |
|
| Toll-Like Receptor 9 | Drug | Toll-Like Receptor 9 (CpG) is an oligodeoxynucleotide that stimulates dendritic cells to release IFN type I, activating natural killer and infiltrating T cells. This creates a more pro-immunogenic tumor environment. |
|
| From date of randomization until unequivocal disease progression, assessed up to 5 years |
| Immunomodulation (local) | The local immune response will be assessed using flow cytometry and immunohistochemistry of 2 biopsies (1x primary, 1x metastasis). Markers include those of T-cells, dendritic cells and others. | Biopsies taken at T=0 (prior to treatment), T=2 weeks and T=6 weeks |
| Immunomodulation (systemic) | The systemic immune response will be assessed using flow cytometry of peripheral blood. Markers include those of T-cells, dendritic cells, MDSCs, NK cells. | Blood taken at T=0 (prior to treatment), T=2 weeks and T=6 weeks |
| Tumor Response on Imaging | Tumor response will be assessed using PET-CT scans: tracer uptake of FDG and PD-L1. CT scans will be employed to determine tumor response based on the RECIST criteria. | PET scans at T= 0 (prior to treatment), T= 6 weeks and T=3months. CT scans will be made at T= 0 (prior to treatment), T= 6 weeks, T=3months, followed by a scan every subsequent 3 months (T=6m,9m,12m etc) until unequivocal disease progression. |
| Quality of Life throughout treatment based on overall health | Based on the following EORTC questionnaire: EQ-5D-L5. Question types include: scale 1-5 | Quality of Life will be assessed every 3 months (T=0 (baseline), T=3months, etc) up to 1 year |
| Quality of Life throughout treatment based on specific health questions | Based on the following EORTC questionnaire: QLQ-C30 Question types include: scale 1-5, scale 1-7 | Quality of Life will be assessed every 3 months (T=0 (baseline), T=3months, etc) up to 1 year |
| Quality of Life throughout treatment based on Chemotherapy-Induced Peripheral Neuropathy | Based on the following EORTC questionnaire: QLQ-CIPN20 Question types include: scale 1-4 | Quality of Life will be assessed every 3 months (T=0 (baseline), T=3months, etc) up to 1 year |
| Quality of Life throughout treatment specifically in patients with pancreatic cancer | Based on the following EORTC questionnaire: QLQ-PAN26 Question types include: scale 1-4 | Quality of Life will be assessed every 3 months (T=0 (baseline), T=3months, etc) up to 1 year |
| Quality of Life throughout treatment based on the patient's happiness and emotional functioning | Based on the following questionnaire: QLQ-HAPINES Question types include: scale 1-10 | Quality of Life will be assessed every 3 months (T=0 (baseline), T=3months, etc) up to 1 year |
| Quality of Life throughout treatment based on anxiety and depression | Based on the following questionnaire: QLQ-HADS Question types include: scale 1-4 | Quality of Life will be assessed every 3 months (T=0 (baseline), T=3months, etc) up to 1 year |
| Quality of Life throughout treatment based on a patient's psychological state regarding their disease | Based on the following questionnaire: QLQ-WOPS Question types include: scale 1-4, scale 1-10, yes/no, open | Quality of Life will be assessed every 3 months (T=0 (baseline), T=3months, etc) up to 1 year |
| Quality of Life throughout treatment based on (decreased) pancreatic functionality | Based on the following questionnaire: EPI Question types include: 5 optional answers, scale, 1-4, scale 1-5, yes/no, open | Quality of Life will be assessed every 3 months (T=0 (baseline), T=3months, etc) up to 1 year |
| Pain based on the Visual Analog Score (VAS) | The pain questionnaire is based on the VAS and includes scale type questions (1 - 10) with higher scores referring to more pain. | Pain will be assessed every 3 months (T=0 (baseline), T=3months, etc) up to 1 year |
| ID | Term |
|---|---|
| D010190 | Pancreatic Neoplasms |
| ID | Term |
|---|---|
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D004701 | Endocrine Gland Neoplasms |
| D004066 | Digestive System Diseases |
| D010182 | Pancreatic Diseases |
| D004700 | Endocrine System Diseases |
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| ID | Term |
|---|---|
| D018274 | Electroporation |
| D000077594 | Nivolumab |
| D051217 | Toll-Like Receptor 9 |
| ID | Term |
|---|---|
| D003584 | Cytological Techniques |
| D019411 | Clinical Laboratory Techniques |
| D008919 | Investigative Techniques |
| D055664 | Electrochemical Techniques |
| D061067 | Antibodies, Monoclonal, Humanized |
| D000911 | Antibodies, Monoclonal |
| D000906 | Antibodies |
| D007136 | Immunoglobulins |
| D007162 | Immunoproteins |
| D001798 | Blood Proteins |
| D011506 | Proteins |
| D000602 | Amino Acids, Peptides, and Proteins |
| D012712 | Serum Globulins |
| D005916 | Globulins |
| D004268 | DNA-Binding Proteins |
| D051193 | Toll-Like Receptors |
| D051192 | Receptors, Pattern Recognition |
| D011971 | Receptors, Immunologic |
| D011956 | Receptors, Cell Surface |
| D008565 | Membrane Proteins |
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