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Keum H, Cevik E, Kim J, Demirlenk YM, Atar D, Saini G, Sheth RA, Deipolyi AR, Oklu R. Tissue Ablation: Applications and Perspectives. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2310856. [PMID: 38771628 DOI: 10.1002/adma.202310856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 05/05/2024] [Indexed: 05/22/2024]
Abstract
Tissue ablation techniques have emerged as a critical component of modern medical practice and biomedical research, offering versatile solutions for treating various diseases and disorders. Percutaneous ablation is minimally invasive and offers numerous advantages over traditional surgery, such as shorter recovery times, reduced hospital stays, and decreased healthcare costs. Intra-procedural imaging during ablation also allows precise visualization of the treated tissue while minimizing injury to the surrounding normal tissues, reducing the risk of complications. Here, the mechanisms of tissue ablation and innovative energy delivery systems are explored, highlighting recent advancements that have reshaped the landscape of clinical practice. Current clinical challenges related to tissue ablation are also discussed, underlining unmet clinical needs for more advanced material-based approaches to improve the delivery of energy and pharmacology-based therapeutics.
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Affiliation(s)
- Hyeongseop Keum
- Laboratory for Patient Inspired Engineering, Mayo Clinic, 13400 East Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Enes Cevik
- Laboratory for Patient Inspired Engineering, Mayo Clinic, 13400 East Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Jinjoo Kim
- Laboratory for Patient Inspired Engineering, Mayo Clinic, 13400 East Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Yusuf M Demirlenk
- Laboratory for Patient Inspired Engineering, Mayo Clinic, 13400 East Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Dila Atar
- Laboratory for Patient Inspired Engineering, Mayo Clinic, 13400 East Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Gia Saini
- Laboratory for Patient Inspired Engineering, Mayo Clinic, 13400 East Shea Blvd, Scottsdale, AZ, 85259, USA
| | - Rahul A Sheth
- Department of Interventional Radiology, University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Amy R Deipolyi
- Interventional Radiology, Department of Surgery, West Virginia University, Charleston Area Medical Center, Charleston, WV, 25304, USA
| | - Rahmi Oklu
- Laboratory for Patient Inspired Engineering, Mayo Clinic, 13400 East Shea Blvd, Scottsdale, AZ, 85259, USA
- Division of Vascular & Interventional Radiology, Mayo Clinic, 5777 E Mayo Blvd, Phoenix, AZ, 85054, USA
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Timmer FEF, Geboers B, Ruarus AH, Vroomen LGPH, Schouten EAC, van der Lei S, Vos DJW, Dijkstra M, Schulz HH, Bakker J, van den Bemd BAT, van den Tol PM, Puijk RS, Lissenberg-Witte BI, de Gruijl TD, de Vries JJJ, Lagerwaard FJ, Scheffer HJ, Bruynzeel AME, Meijerink MR. MRI-guided stereotactic ablative body radiotherapy versus CT-guided percutaneous irreversible electroporation for locally advanced pancreatic cancer (CROSSFIRE): a single-centre, open-label, randomised phase 2 trial. Lancet Gastroenterol Hepatol 2024; 9:448-459. [PMID: 38513683 DOI: 10.1016/s2468-1253(24)00017-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/25/2024] [Accepted: 01/25/2024] [Indexed: 03/23/2024]
Abstract
BACKGROUND Pancreatic ductal adenocarcinoma is an aggressive disease with a dismal prognosis. Stage III locally advanced pancreatic cancer is considered unresectable and current palliative chemotherapy regimens only modestly improve survival. Guidelines suggest chemoradiation or stereotactic ablative body radiotherapy (SABR) could be beneficial in certain circumstances. Other local treatments such as irreversible electroporation could enhance patient outcomes by extending survival while preserving quality of life. We aimed to compare the efficacy and safety of MRI-guided SABR versus CT-guided percutaneous irreversible electroporation following standard FOLFIRINOX chemotherapy. METHODS CROSSFIRE was an open-label, randomised phase 2 superiority trial conducted at the Amsterdam University Medical Centre (Amsterdam, Netherlands). Eligible patients were aged 18 years or older with confirmed histological and radiological stage III locally advanced pancreatic cancer. The maximum tumour diameter was 5 cm and patients had to be pretreated with three to eight cycles of FOLFIRINOX. Patients were randomly assigned (1:1) to MRI-guided SABR (five fractions of 8 Gy delivered on non-consecutive days) or CT-guided percutaneous irreversible electroporation using a computer-generated variable block randomisation model. The primary endpoint was overall survival from randomisation, assessed in the intention-to-treat population. Safety was assessed in the per-protocol population. A prespecified interim futility analysis was done after inclusion of half the original sample size, with a conditional probability of less than 0·2 resulting in halting of the study. The trial was registered at ClinicalTrials.gov, NCT02791503. FINDINGS Between May 1, 2016, and March 31, 2022, 68 patients were enrolled and randomly assigned to SABR (n=34) or irreversible electroporation (n=34), of whom 64 were treated according to protocol. Of the 68 participants, 36 (53%) were male and 32 (47%) were female, with a median age of 65 years (IQR 57-70). Median overall survival from randomisation was 16·1 months (95% CI 12·1-19·4) in the SABR group versus 12·5 months (10·9-17·0) in the irreversible electroporation group (hazard ratio [HR] 1·39 [95% CI 0·84-2·30]; p=0·21). The conditional probability to demonstrate superiority of either technique was 0·13; patient accrual was therefore stopped early for futility. 20 (63%) of 32 patients in the SABR group versus 19 (59%) of 32 patients in the irreversible electroporation group had adverse events (p=0·8) and five (16%) patients in the SABR group versus eight (25%) in the irreversible electroporation group had grade 3-5 adverse events (p=0·35). The most common grade 3-4 adverse events were cholangitis (two [6%] in the SABR group vs one [3%] in the irreversible electroporation group), abdominal pain (one [3%] vs two [6%]), and pancreatitis (none vs two [6%]). One (3%) patient in the SABR group and one (3%) in the irreversible electroporation group died from a treatment-related adverse event. INTERPRETATION CROSSFIRE did not identify a difference in overall survival or incidence of adverse events between MRI-guided SABR and CT-guided percutaneous irreversible electroporation after FOLFIRINOX. Future studies should further assess the added value of local ablative treatment over chemotherapy alone. FUNDING Adessium Foundation, AngioDynamics.
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Affiliation(s)
- Florentine E F Timmer
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands.
| | - Bart Geboers
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Alette H Ruarus
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Laurien G P H Vroomen
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Evelien A C Schouten
- Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands
| | - Susan van der Lei
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Danielle J W Vos
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Madelon Dijkstra
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Hannah H Schulz
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Joyce Bakker
- Department of Medical Oncology, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Bente A T van den Bemd
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | | | - Robbert S Puijk
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands; Department of Radiology and Nuclear Medicine, Onze Lieve Vrouwe Gasthuis, Amsterdam, Netherlands
| | - Birgit I Lissenberg-Witte
- Department of Epidemiology and Data Science, Amsterdam University Medical Center, Amsterdam, Netherlands
| | - Tanja D de Gruijl
- Department of Medical Oncology, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Jan J J de Vries
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands; Department of Radiology and Nuclear Medicine, Onze Lieve Vrouwe Gasthuis, Amsterdam, Netherlands
| | - Frank J Lagerwaard
- Department of Radiation Oncology, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Hester J Scheffer
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands; Department of Radiology and Nuclear Medicine, Northwest Clinics, Alkmaar, Netherlands
| | - Anna M E Bruynzeel
- Department of Radiation Oncology, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Martijn R Meijerink
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands; Cancer Center Amsterdam, Amsterdam, Netherlands
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Imran KM, Brock RM, Beitel-White N, Powar M, Orr K, Aycock KN, Alinezhadbalalami N, Salameh ZS, Eversole P, Tintera B, Markov Madanick J, Hendricks-Wenger A, Coutermarsh-Ott S, Davalos RV, Allen IC. Irreversible electroporation promotes a pro-inflammatory tumor microenvironment and anti-tumor immunity in a mouse pancreatic cancer model. Front Immunol 2024; 15:1352821. [PMID: 38711517 PMCID: PMC11070574 DOI: 10.3389/fimmu.2024.1352821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 04/09/2024] [Indexed: 05/08/2024] Open
Abstract
Pancreatic cancer is a significant cause of cancer-related mortality and often presents with limited treatment options. Pancreatic tumors are also notorious for their immunosuppressive microenvironment. Irreversible electroporation (IRE) is a non-thermal tumor ablation modality that employs high-voltage microsecond pulses to transiently permeabilize cell membranes, ultimately inducing cell death. However, the understanding of IRE's impact beyond the initiation of focal cell death in tumor tissue remains limited. In this study, we demonstrate that IRE triggers a unique mix of cell death pathways and orchestrates a shift in the local tumor microenvironment driven, in part, by reducing the myeloid-derived suppressor cell (MDSC) and regulatory T cell populations and increasing cytotoxic T lymphocytes and neutrophils. We further show that IRE drives induce cell cycle arrest at the G0/G1 phase in vitro and promote inflammatory cell death pathways consistent with pyroptosis and programmed necrosis in vivo. IRE-treated mice exhibited a substantial extension in progression-free survival. However, within a span of 14 days, the tumor immune cell populations reverted to their pre-treatment composition, which resulted in an attenuation of the systemic immune response targeting contralateral tumors and ultimately resulting in tumor regrowth. Mechanistically, we show that IRE augments IFN- γ signaling, resulting in the up-regulation of the PD-L1 checkpoint in pancreatic cancer cells. Together, these findings shed light on potential mechanisms of tumor regrowth following IRE treatment and offer insights into co-therapeutic targets to improve treatment strategies.
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Affiliation(s)
- Khan Mohammad Imran
- Medicine and Health, Virginia Polytechnic Institute and State University, Roanoke, VA, United States
| | - Rebecca M. Brock
- Medicine and Health, Virginia Polytechnic Institute and State University, Roanoke, VA, United States
| | - Natalie Beitel-White
- Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
- Department of Biomedical Engineering and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Manali Powar
- Medicine and Health, Virginia Polytechnic Institute and State University, Roanoke, VA, United States
| | - Katie Orr
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Blacksburg, VA, United States
| | - Kenneth N. Aycock
- Department of Biomedical Engineering and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Nastaran Alinezhadbalalami
- Department of Biomedical Engineering and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Zaid S. Salameh
- Department of Biomedical Engineering and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Paige Eversole
- Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Benjamin Tintera
- Department of Surgery, Carilion Clinic and Virginia Tech Carilion School of Medicine, Roanoke, VA, United States
| | - Justin Markov Madanick
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Blacksburg, VA, United States
| | - Alissa Hendricks-Wenger
- Medicine and Health, Virginia Polytechnic Institute and State University, Roanoke, VA, United States
| | - Sheryl Coutermarsh-Ott
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Blacksburg, VA, United States
| | - Rafael V. Davalos
- Department of Biomedical Engineering and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Irving C. Allen
- Medicine and Health, Virginia Polytechnic Institute and State University, Roanoke, VA, United States
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Blacksburg, VA, United States
- Department of Basic Science Education, Virginia Tech Carilion School of Medicine, Roanoke, VA, United States
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4
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Jacobs Iv EJ, Campelo SN, Charlton A, Altreuter S, Davalos RV. Characterizing reversible, irreversible, and calcium electroporation to generate a burst-dependent dynamic conductivity curve. Bioelectrochemistry 2024; 155:108580. [PMID: 37788520 DOI: 10.1016/j.bioelechem.2023.108580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 09/20/2023] [Accepted: 09/24/2023] [Indexed: 10/05/2023]
Abstract
The relationships between burst number, reversible, irreversible, and calcium electroporation have not been comprehensively evaluated in tumor tissue-mimics. Our findings indicate that electroporation effects saturate with a rate constant (τ) of 20 bursts for both conventional and high frequency waveforms (R2 > 0.88), with the separation between reversible and irreversible electroporation thresholds converging at 50 bursts. We find the lethal thresholds for calcium electroporation are statistically similar to reversible electroporation (R2 > 0.99). We then develop a burst-dependent dynamic conductivity curve that now incorporates electroporation effects due to both the electric field magnitude and burst number. Simulated ablation and thermal damage volumes vary significantly between finite element models using either the conventional or new burst-dependent dynamic conductivity curve (p < 0.05). Lastly, for clinically relevant protocols, thermal damage is indicated to not begin until 50 bursts, with maximum nonthermal ablation volumes at 100 bursts (1.5-13% thermal damage by volume). We find that >100 bursts generated negligible increases in ablation volumes with 40-70% thermal damage by volume at 300 bursts. Our results illustrate the need for considering burst number in minimizing thermal damage, choosing adjuvant therapies, and in modeling electroporation effects at low burst numbers.
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Affiliation(s)
- Edward J Jacobs Iv
- Bioelectromechanical Systems Laboratory, Virginia Tech - Wake Forest School of Biomedical Engineering, Blacksburg, VA, USA; Bioelectromechanical Systems Laboratory, Wallace H. Coulter Department of Biomedical Engineering, Georgia Tech - Emory University, Atlanta, GA, USA
| | - Sabrina N Campelo
- Bioelectromechanical Systems Laboratory, Virginia Tech - Wake Forest School of Biomedical Engineering, Blacksburg, VA, USA
| | - Alyssa Charlton
- Bioelectromechanical Systems Laboratory, Virginia Tech - Wake Forest School of Biomedical Engineering, Blacksburg, VA, USA
| | - Sara Altreuter
- Bioelectromechanical Systems Laboratory, Virginia Tech - Wake Forest School of Biomedical Engineering, Blacksburg, VA, USA
| | - Rafael V Davalos
- Bioelectromechanical Systems Laboratory, Virginia Tech - Wake Forest School of Biomedical Engineering, Blacksburg, VA, USA; Bioelectromechanical Systems Laboratory, Wallace H. Coulter Department of Biomedical Engineering, Georgia Tech - Emory University, Atlanta, GA, USA.
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5
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Alonso-González R, Abadal Villayandre JM, Gálvez Gonzalez E, Álvarez Perez MJ, Méndez Alonso S, de Gregorio Ariza MA. Irreversible electroporation: Beyond the limits of tumor ablation. RADIOLOGIA 2024; 66:47-56. [PMID: 38365354 DOI: 10.1016/j.rxeng.2023.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 04/02/2023] [Indexed: 02/18/2024]
Abstract
Irreversible Electroporation (IRE) is a non-thermal tumor ablation technique. High-voltage electrical pulses are applied between pairs of electrodes inserted around and/or inside a tumor. The generated electric current induces the creation of nanopores in the cell membrane, triggering apoptosis. As a result, IRE can be safely used in areas near delicate vascular structures where other thermal ablation methods are contraindicated. Currently, IRE has demonstrated to be a successful ablation technique for pancreatic, renal, and liver tumors and is widely used as a focal therapeutic option for prostate cancer. The need for specific anesthetic management and accurate parallel placement of multiple electrodes entails a high level of complexity and great expertise from the interventional team is required. Nevertheless, IRE is a very promising technique with a remarkable systemic immunological capability and may impact on distant metastases (abscopal effect).
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Affiliation(s)
- R Alonso-González
- Radiología Vascular Intervencionista, Hospital Universitario Severo Ochoa, Madrid, Spain.
| | - J M Abadal Villayandre
- Radiología Vascular Intervencionista, Hospital Universitario Severo Ochoa, Madrid, Spain
| | - E Gálvez Gonzalez
- Radiología Vascular Intervencionista, Hospital Universitario Severo Ochoa, Madrid, Spain
| | - M J Álvarez Perez
- Radiología Vascular Intervencionista, Hospital Universitario Severo Ochoa, Madrid, Spain
| | - S Méndez Alonso
- Radiología Vascular Intervencionista, Hospital Universitario Puerta Hierro, Madrid, Spain
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Schepis T, De Lucia SS, Pellegrino A, Del Gaudio A, Maresca R, Coppola G, Chiappetta MF, Gasbarrini A, Franceschi F, Candelli M, Nista EC. State-of-the-Art and Upcoming Innovations in Pancreatic Cancer Care: A Step Forward to Precision Medicine. Cancers (Basel) 2023; 15:3423. [PMID: 37444534 DOI: 10.3390/cancers15133423] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/20/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Pancreatic cancer remains a social and medical burden despite the tremendous advances that medicine has made in the last two decades. The incidence of pancreatic cancer is increasing, and it continues to be associated with high mortality and morbidity rates. The difficulty of early diagnosis (the lack of specific symptoms and biomarkers at early stages), the aggressiveness of the disease, and its resistance to systemic therapies are the main factors for the poor prognosis of pancreatic cancer. The only curative treatment for pancreatic cancer is surgery, but the vast majority of patients with pancreatic cancer have advanced disease at the time of diagnosis. Pancreatic surgery is among the most challenging surgical procedures, but recent improvements in surgical techniques, careful patient selection, and the availability of minimally invasive techniques (e.g., robotic surgery) have dramatically reduced the morbidity and mortality associated with pancreatic surgery. Patients who are not candidates for surgery may benefit from locoregional and systemic therapy. In some cases (e.g., patients for whom marginal resection is feasible), systemic therapy may be considered a bridge to surgery to allow downstaging of the cancer; in other cases (e.g., metastatic disease), systemic therapy is considered the standard approach with the goal of prolonging patient survival. The complexity of patients with pancreatic cancer requires a personalized and multidisciplinary approach to choose the best treatment for each clinical situation. The aim of this article is to provide a literature review of the available treatments for the different stages of pancreatic cancer.
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Affiliation(s)
- Tommaso Schepis
- Center for Diagnosis and Treatment of Digestive Diseases, CEMAD, Gastroenterology Department, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
- Department of Translational Medicine and Surgery, School of Medicine, Catholic University of the Sacred Heart of Rome, 00168 Rome, Italy
| | - Sara Sofia De Lucia
- Center for Diagnosis and Treatment of Digestive Diseases, CEMAD, Gastroenterology Department, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
- Department of Translational Medicine and Surgery, School of Medicine, Catholic University of the Sacred Heart of Rome, 00168 Rome, Italy
| | - Antonio Pellegrino
- Center for Diagnosis and Treatment of Digestive Diseases, CEMAD, Gastroenterology Department, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
- Department of Translational Medicine and Surgery, School of Medicine, Catholic University of the Sacred Heart of Rome, 00168 Rome, Italy
| | - Angelo Del Gaudio
- Center for Diagnosis and Treatment of Digestive Diseases, CEMAD, Gastroenterology Department, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
- Department of Translational Medicine and Surgery, School of Medicine, Catholic University of the Sacred Heart of Rome, 00168 Rome, Italy
| | - Rossella Maresca
- Center for Diagnosis and Treatment of Digestive Diseases, CEMAD, Gastroenterology Department, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
- Department of Translational Medicine and Surgery, School of Medicine, Catholic University of the Sacred Heart of Rome, 00168 Rome, Italy
| | - Gaetano Coppola
- Center for Diagnosis and Treatment of Digestive Diseases, CEMAD, Gastroenterology Department, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
- Department of Translational Medicine and Surgery, School of Medicine, Catholic University of the Sacred Heart of Rome, 00168 Rome, Italy
| | - Michele Francesco Chiappetta
- Section of Gastroenterology and Hepatology, Promise, Policlinico Universitario Paolo Giaccone, 90127 Palermo, Italy
- IBD-Unit, Department of Clinical and Experimental Medicine, University of Messina, 98122 Messina, Italy
| | - Antonio Gasbarrini
- Center for Diagnosis and Treatment of Digestive Diseases, CEMAD, Gastroenterology Department, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
- Department of Translational Medicine and Surgery, School of Medicine, Catholic University of the Sacred Heart of Rome, 00168 Rome, Italy
| | - Francesco Franceschi
- Department of Emergency Anesthesiological and Reanimation Sciences, Fondazione Universitaria Policlinico Agostino Gemelli di Roma, Catholic University of the Sacred Heart of Rome, 00168 Rome, Italy
| | - Marcello Candelli
- Department of Emergency Anesthesiological and Reanimation Sciences, Fondazione Universitaria Policlinico Agostino Gemelli di Roma, Catholic University of the Sacred Heart of Rome, 00168 Rome, Italy
| | - Enrico Celestino Nista
- Center for Diagnosis and Treatment of Digestive Diseases, CEMAD, Gastroenterology Department, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
- Department of Translational Medicine and Surgery, School of Medicine, Catholic University of the Sacred Heart of Rome, 00168 Rome, Italy
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Bruners P. [CT-guided local ablative interventions]. RADIOLOGIE (HEIDELBERG, GERMANY) 2023:10.1007/s00117-023-01164-1. [PMID: 37306751 DOI: 10.1007/s00117-023-01164-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Accepted: 05/09/2023] [Indexed: 06/13/2023]
Abstract
BACKGROUND Applicator-based local ablations under computed tomography (CT) guidance for the treatment of malignant tumors have found their way into clinical routine. OBJECTIVES The basic principles of the different ablation technologies and their specific clinical field of application are described. MATERIALS AND METHODS A comprehensive literature review regarding applicator-based ablation techniques was carried out. RESULTS Radiofrequency (RFA) and microwave ablation (MWA) represent two image-guided hyperthermal treatment modalities that have been established for the treatment of primary and secondary liver malignancies. In addition, both techniques are also applied for local ablative therapy of lung- and kidney tumors. Cryoablation is mainly used for the local ablation of T1 kidney cancer and due to its intrinsic analgetic characteristics for application in the musculoskeletal system. Nonresectable pancreatic tumors and centrally located liver malignancies can be treated with irreversible electroporation. This nonthermal ablation modality preserves the structure of the extracellular matrix including blood vessels and ducts. Technical advancements in the field of CT-guided interventions include the use of robotics, different tracking and navigation technologies and the use of augmented reality with the goal to achieve higher precision, shorter intervention time and thereby reduce radiation exposure. CONCLUSION Percutaneous ablation techniques under CT guidance are an essential part of interventional radiology and they are suited for local treatment of malignancies in most organ systems.
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Affiliation(s)
- Philipp Bruners
- Klinik für Diagnostische und Interventionelle Radiologie, Universitätsklinik RWTH Aachen, Pauwelsstraße 30, 52074, Aachen, Deutschland.
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Punzi E, Carrubba C, Contegiacomo A, Posa A, Barbieri P, De Leoni D, Mazza G, Tanzilli A, Cina A, Natale L, Sala E, Iezzi R. Interventional Radiology in the Treatment of Pancreatic Adenocarcinoma: Present and Future Perspectives. Life (Basel) 2023; 13:life13030835. [PMID: 36983990 PMCID: PMC10059735 DOI: 10.3390/life13030835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/07/2023] [Accepted: 03/18/2023] [Indexed: 03/30/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a lethal disease; patients' long-term survival is strictly linked to the surgical resection of the tumor but only a minority of patients (2-3%) have a resectable disease at diagnosis. In patients with surgically unresectable disease, interventional radiology is taking on an increasing role in treatment with the application of loco-regional percutaneous therapies. The primary purposes of this narrative review are to analyze the safety and efficacy of ablative techniques in the management of borderline resectable and locally advanced diseases and to underline the role of the interventional radiologist in the management of patients with distant metastases. The secondary purpose is to focus on the synergy between immunotherapy and ablative therapies.
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Affiliation(s)
- Ernesto Punzi
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
| | - Claudio Carrubba
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
| | - Andrea Contegiacomo
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
| | - Alessandro Posa
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
| | - Pierluigi Barbieri
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
| | - Davide De Leoni
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
| | - Giulia Mazza
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
| | - Alessandro Tanzilli
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
| | - Alessandro Cina
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
| | - Luigi Natale
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
- Istituto di Radiodiagnostica, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Evis Sala
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
- Istituto di Radiodiagnostica, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Roberto Iezzi
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia-Istituto di Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCCS, l.go A gemelli 8, 00168 Rome, Italy
- Istituto di Radiodiagnostica, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
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9
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Irreversible Electroporation in Pancreatic Cancer-An Evolving Experimental and Clinical Method. Int J Mol Sci 2023; 24:ijms24054381. [PMID: 36901812 PMCID: PMC10002122 DOI: 10.3390/ijms24054381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/13/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
Pancreatic cancer has no symptoms until the disease has advanced and is aggressive cancer with early metastasis. Up to now, the only curative treatment is surgical resection, which is possible in the early stages of the disease. Irreversible electroporation treatment offers new hope for patients with unresectable tumors. Irreversible electroporation (IRE) is a type of ablation therapy that has been explored as a potential treatment for pancreatic cancer. Ablation therapies involve the use of energy to destroy or damage cancer cells. IRE involves using high-voltage, low-energy electrical pulses to create resealing in the cell membrane, causing the cell to die. This review summarizes experiential and clinical findings in terms of the IRE applications. As was described, IRE can be a non-pharmacological approach (electroporation) or combined with anticancer drugs or standard treatment methods. The efficacy of irreversible electroporation (IRE) in eliminating pancreatic cancer cells has been demonstrated through both in vitro and in vivo studies, and it has been shown to induce an immune response. Nevertheless, further investigation is required to assess its effectiveness in human subjects and to comprehensively understand IRE's potential as a treatment option for pancreatic cancer.
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10
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Ong DY, How GY, Pua U. Irreversible electroporation of the pancreas - A decade on. J Interv Med 2023; 6:10-13. [PMID: 37180371 PMCID: PMC10167507 DOI: 10.1016/j.jimed.2022.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/13/2022] [Accepted: 10/11/2022] [Indexed: 05/16/2023] Open
Abstract
Irreversible electroporation (IRE) employs the use of an electric field to cause irreversible permeability of the cell membrane, inducing apoptosis. The use of IRE for locally advanced pancreatic cancer (LAPC) was first described in 2012. The crucial advantage of IRE compared with other devices employing thermal ablation is the safety around vital structures such as vessels and ducts. This makes it an attractive option for use in the pancreas due to the close proximity of multiple major vascular structures, biliary ducts, and adjacent gastrointestinal organs. Over the past decade, IRE has established itself as a useful treatment adjunct and may soon become the standard of care, particularly for LAPC. This article will explore the current evidence and provide a concise summary of pertinent issues, including patient selection, preoperative management, clinical outcomes, radiological response and future prospects of IRE in pancreatic cancer.
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Affiliation(s)
- Daniel Yuxuan Ong
- Department of Diagnostic Radiology, Tan Tock Seng Hospital, Singapore
| | - Guo Yuan How
- Department of Diagnostic Radiology, Tan Tock Seng Hospital, Singapore
| | - Uei Pua
- Department of Diagnostic Radiology, Tan Tock Seng Hospital, Singapore
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11
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Shankara Narayanan JS, Hayashi T, Erdem S, McArdle S, Tiriac H, Ray P, Pu M, Mikulski Z, Miller A, Messer K, Carson D, Schoenberger S, White RR. Treatment of pancreatic cancer with irreversible electroporation and intratumoral CD40 antibody stimulates systemic immune responses that inhibit liver metastasis in an orthotopic model. J Immunother Cancer 2023; 11:e006133. [PMID: 36634919 PMCID: PMC9843215 DOI: 10.1136/jitc-2022-006133] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/23/2022] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Pancreatic cancer (PC) has a poor prognosis, and most patients present with either locally advanced or distant metastatic disease. Irreversible electroporation (IRE) is a non-thermal method of ablation used clinically in locally advanced PC, but most patients eventually develop distant recurrence. We have previously shown that IRE alone is capable of generating protective, neoantigen-specific immunity. Here, we aim to generate meaningful therapeutic immune effects by combining IRE with local (intratumoral) delivery of a CD40 agonistic antibody (CD40Ab). METHODS KPC46 organoids were generated from a tumor-bearing male KrasLSL-G12D-p53LSL-R172H-Pdx-1-Cre (KPC) mouse. Orthotopic tumors were established in the pancreatic tail of B6/129 F1J mice via laparotomy. Mice were randomized to treatment with either sham laparotomy, IRE alone, CD40Ab alone, or IRE followed immediately by CD40Ab injection. Metastatic disease and immune infiltration in the liver were analyzed 14 days postprocedure using flow cytometry and multiplex immunofluorescence imaging with spatial analysis. Candidate neoantigens were identified by mutanome profiling of tumor tissue for ex vivo functional analyses. RESULTS The combination of IRE+CD40 Ab improved median survival to greater than 35 days, significantly longer than IRE (21 days) or CD40Ab (24 days) alone (p<0.01). CD40Ab decreased metastatic disease burden, with less disease in the combination group than in the sham group or IRE alone. Immunohistochemistry of liver metastases revealed a more than twofold higher infiltration of CD8+T cells in the IRE+CD40 Ab group than in any other group (p<0.01). Multiplex immunofluorescence imaging revealed a 4-6 fold increase in the density of CD80+CD11c+ activated dendritic cells (p<0.05), which were spatially distributed throughout the tumor unlike the sham group, where they were restricted to the periphery. In contrast, CD4+FoxP3+ T-regulatory cells (p<0.05) and Ly6G+myeloid derived cells (p<0.01) were reduced and restricted to the tumor periphery in the IRE+CD40 Ab group. T-cells from the IRE+CD40 Ab group recognized significantly more peptides representing candidate neoantigens than did T-cells from the IRE or untreated control groups. CONCLUSIONS IRE can induce local tumor regression and neoantigen-specific immune responses. Addition of CD40Ab to IRE improved dendritic cell activation and neoantigen recognition, while generating a strong systemic antitumor T-cell response that inhibited metastatic disease progression.
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Affiliation(s)
- Jayanth S Shankara Narayanan
- Departmet of Surgery, University of California San Diego, La Jolla, California, USA
- Moores Cancer Center, University of California San Diego, La Jolla, California, USA
| | - Tomoko Hayashi
- Moores Cancer Center, University of California San Diego, La Jolla, California, USA
| | - Suna Erdem
- Departmet of Surgery, University of California San Diego, La Jolla, California, USA
| | - Sara McArdle
- Microscopy Core Facility, La Jolla Institute for Immunology, La Jolla, California, USA
| | - Herve Tiriac
- Departmet of Surgery, University of California San Diego, La Jolla, California, USA
- Moores Cancer Center, University of California San Diego, La Jolla, California, USA
| | - Partha Ray
- Departmet of Surgery, University of California San Diego, La Jolla, California, USA
| | - Minya Pu
- Division of Biostatistics and Bioinformatics, Department of Family Medicine and Public Health, University of California, La Jolla, California, USA
| | - Zbigniew Mikulski
- Microscopy Core Facility, La Jolla Institute for Immunology, La Jolla, California, USA
| | - Aaron Miller
- Moores Cancer Center, University of California San Diego, La Jolla, California, USA
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Karen Messer
- Moores Cancer Center, University of California San Diego, La Jolla, California, USA
- Division of Biostatistics and Bioinformatics, Department of Family Medicine and Public Health, University of California, La Jolla, California, USA
| | - Dennis Carson
- Moores Cancer Center, University of California San Diego, La Jolla, California, USA
| | - Stephen Schoenberger
- Center for Cancer Immunotherapy, La Jolla Institute for Immunology, La Jolla, California, USA
| | - Rebekah R White
- Departmet of Surgery, University of California San Diego, La Jolla, California, USA
- Moores Cancer Center, University of California San Diego, La Jolla, California, USA
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12
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Polyakov AN, Patyutko YI, Kudashkin NE, Kantieva DM, Romanova KA, Nasonova EA, Korshak AV, Egenov OA, Podluzhnyi DV. [Irreversible electroporation in locally advanced pancreatic cancer]. Khirurgiia (Mosk) 2023:29-38. [PMID: 37916555 DOI: 10.17116/hirurgia202310129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
OBJECTIVE To determine the feasibility of irreversible electroporation (IRE) for locally advanced pancreatic adenocarcinoma. MATERIAL AND METHODS Twenty-three patients underwent IRE after chemotherapy for locally advanced pancreatic cancer between 2015 and 2022. IRE was performed during laparotomy as a rule (n=22). In one case, IRE was combined with palliative pancretoduodenectomy. Nineteen (86.3%) patients received adjuvant chemotherapy after the procedure. The follow-up examination included contrast-enhanced CT/MRI of the abdomen, chest X-ray or CT, analysis of CA 19-9 marker one month after surgery and then every three months. RESULTS Complications after IRE developed in 5 (21.7%) patients. Three patients (13.0%) had arrhythmia, two (8.7%) ones had pancreatic necrosis. A 90-day mortality after the procedure was 4.3% (n=1), the cause was pancreatic necrosis. According to intraoperative data and the first examination (CT/MRI), the entire tumor infiltrate was treated in 21 (91.3%) cases. Median follow-up was 19 months. Median period until local recurrence was 15 months. Isolated local recurrence was observed in 7 patients. Of these, 3 ones underwent radiotherapy, one patient underwent repeated IRE. Distant metastases were found in 11 patients; systemic therapy was restarted. Median time to progression was 7 months after IRE and 14 months after initiation of chemotherapy. The median overall survival was 16 months after electroporation and 25 months after chemotherapy. CONCLUSION Irreversible electroporation may be useful in carefully selected patients with unresectable locally advanced pancreatic adenocarcinoma after successful induction chemotherapy. This procedure provides local control, but the impact on long-term outcomes and feasibility of routine use should be analyzed in randomized trials.
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Affiliation(s)
- A N Polyakov
- Blokhin National Medical Cancer Research Center, Moscow, Russia
| | - Yu I Patyutko
- Blokhin National Medical Cancer Research Center, Moscow, Russia
| | - N E Kudashkin
- Blokhin National Medical Cancer Research Center, Moscow, Russia
| | - D M Kantieva
- Blokhin National Medical Cancer Research Center, Moscow, Russia
| | - K A Romanova
- Blokhin National Medical Cancer Research Center, Moscow, Russia
| | - E A Nasonova
- Blokhin National Medical Cancer Research Center, Moscow, Russia
| | - A V Korshak
- Blokhin National Medical Cancer Research Center, Moscow, Russia
| | - O A Egenov
- Blokhin National Medical Cancer Research Center, Moscow, Russia
| | - D V Podluzhnyi
- Blokhin National Medical Cancer Research Center, Moscow, Russia
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13
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Thomas AS, Kwon W, Horowitz DP, Bates SE, Fojo AT, Manji GA, Schreibman S, Schrope BA, Chabot JA, Kluger MD. Long-term follow-up experience with adjuvant therapy after irreversible electroporation of locally advanced pancreatic cancer. J Surg Oncol 2022; 126:1442-1450. [PMID: 36048146 DOI: 10.1002/jso.27085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/09/2022] [Accepted: 08/24/2022] [Indexed: 11/10/2022]
Abstract
BACKGROUND Irreversible electroporation (IRE) expands the surgical options for patients with unresectable pancreatic cancer. This study evaluated for differences in survival stratified by type of IRE and receipt of adjuvant chemotherapy. METHODS Patients with locally advanced pancreatic cancer treated by IRE (2012-2020) were retrospectively included. Overall survival (OS) and recurrence-free survival (RFS) were compared by type of IRE (in situ for local tumor control or IRE of potentially positive margins with resection) and by receipt of adjuvant chemotherapy. RESULTS Thirty-nine patients had IRE in situ, 61 had IRE for margin extension, and 19 received adjuvant chemotherapy. Most (97.00%) underwent induction chemotherapy. OS was 28.71 months (interquartile range [IQR] 19.17, 51.19) from diagnosis, with no difference by IRE type (hazard ratio [HR] 1.05 for margin extension [p = 0.85]) or adjuvant chemotherapy (HR 1.14 [p = 0.639]). RFS was 8.51 months (IQR 4.95, 20.17) with no difference by IRE type (HR 0.90 for margin extension [p = 0.694]) or adjuvant chemotherapy (HR 0.90 [p = 0.711]). CONCLUSION These findings suggest that adjuvant therapy may have limited benefit for patients treated with induction chemotherapy followed by local control with IRE for unresectable pancreatic cancer. Further study of the duration and timing of systemic therapy is warranted to maximize benefit and limit toxicity.
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Affiliation(s)
- Alexander S Thomas
- Department of Surgery, Division of Gastrointestinal and Endocrine Surgery, Columbia University Irving Medical Center, New York, New York, USA
| | - Wooil Kwon
- Department of Surgery, Division of Gastrointestinal and Endocrine Surgery, Columbia University Irving Medical Center, New York, New York, USA.,Department of Surgery and Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea
| | - David P Horowitz
- Department of Radiation Oncology, Herbert Irving Comprehensive Cancer Center, Columbia University Irving Medical New York, New York, New York, USA
| | - Susan E Bates
- Division of Hematology and Oncology, Columbia University Irving Medical Center, New York, New York, USA
| | - Antonio T Fojo
- Division of Hematology and Oncology, Columbia University Irving Medical Center, New York, New York, USA
| | - Gulam A Manji
- Division of Hematology and Oncology, Columbia University Irving Medical Center, New York, New York, USA
| | - Stephen Schreibman
- Division of Hematology and Oncology, Columbia University Irving Medical Center, New York, New York, USA
| | - Beth A Schrope
- Department of Surgery, Division of Gastrointestinal and Endocrine Surgery, Columbia University Irving Medical Center, New York, New York, USA
| | - John A Chabot
- Department of Surgery, Division of Gastrointestinal and Endocrine Surgery, Columbia University Irving Medical Center, New York, New York, USA
| | - Michael D Kluger
- Department of Surgery, Division of Gastrointestinal and Endocrine Surgery, Columbia University Irving Medical Center, New York, New York, USA
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14
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Zheng J, Paniccia A, Zureikat AH. Advances in the Surgical Treatment of Pancreatic Cancer. Surg Pathol Clin 2022; 15:479-490. [PMID: 36049830 DOI: 10.1016/j.path.2022.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Three recent advances in the surgical approach to pancreatic cancer over the past decade have improved both short- and long-term outcomes for patients with nonmetastatic, operable pancreatic cancer. These include (1) minimally invasive pancreatectomy to reduce operative morbidity while adhering to principles of open oncologic resections, (2) neoadjuvant chemotherapy to treat radiographically occult metastatic disease and improve locoregional control, and (3) applying irreversible electroporation as an adjunct to surgery, allowing a fraction of locally advanced pancreatic cancer to be resected.
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Affiliation(s)
- Jian Zheng
- Division of Surgical Oncology, University of Pittsburgh Medical Center, 5150 Centre Avenue, Suite 421, UPMC Cancer Pavilion, Pittsburgh, PA 15232, USA
| | - Alessandro Paniccia
- Division of Surgical Oncology, University of Pittsburgh Medical Center, 5150 Centre Avenue, Suite 421, UPMC Cancer Pavilion, Pittsburgh, PA 15232, USA
| | - Amer H Zureikat
- Division of Surgical Oncology, University of Pittsburgh Medical Center, 5150 Centre Avenue, Suite 421, UPMC Cancer Pavilion, Pittsburgh, PA 15232, USA.
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15
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Gyftopoulos A, Ziogas IA, Barbas AS, Moris D. The Synergistic Role of Irreversible Electroporation and Chemotherapy for Locally Advanced Pancreatic Cancer. Front Oncol 2022; 12:843769. [PMID: 35692753 PMCID: PMC9174659 DOI: 10.3389/fonc.2022.843769] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 04/26/2022] [Indexed: 12/11/2022] Open
Abstract
Irreversible electroporation (IRE) is a local ablative technique used in conjunction with chemotherapy to treat locally advanced pancreatic cancer (LAPC). The combination of IRE and chemotherapy has showed increased overall survival when compared to chemotherapy alone, pointing towards a possible facilitating effect of IRE on chemotherapeutic drug action and delivery. This review aims to present current chemotherapeutic regimens for LAPC and their co-implementation with IRE, with an emphasis on possible molecular augmentative mechanisms of drug delivery and action. Moreover, the potentiating mechanism of IRE on immunotherapy, M1 oncolytic virus and dendritic cell (DC)-based treatments is briefly explored. Investigating the synergistic effect of IRE on currently established treatment regimens as well as newer ones, may present exciting new possibilities for future studies seeking to improve current LAPC treatment algorithms.
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Affiliation(s)
| | - Ioannis A Ziogas
- Department of Surgery, Division of Hepatobiliary Surgery and Liver Transplantation, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Andrew S Barbas
- Department of Surgery, Duke University Medical Center, Durham, NC, United States
| | - Dimitrios Moris
- Department of Surgery, Duke University Medical Center, Durham, NC, United States
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16
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Gray S, de Liguori Carino N, Radhakrishna G, Lamarca A, Hubner RA, Valle JW, McNamara MG. Clinical challenges associated with utility of neoadjuvant treatment in patients with pancreatic ductal adenocarcinoma. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2022; 48:1198-1208. [PMID: 35264307 DOI: 10.1016/j.ejso.2022.02.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 02/03/2022] [Accepted: 02/10/2022] [Indexed: 11/22/2022]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an increasingly common cancer with a persistently poor prognosis, and only approximately 20% of patients are clearly anatomically resectable at diagnosis. Historically, a paucity of effective therapy made it inappropriate to forego the traditional gold standard of upfront surgery in favour of neoadjuvant treatment; however, modern combination chemotherapy regimens have made neoadjuvant therapy increasingly viable. As its use has expanded, the rationale for neoadjuvant therapy has evolved from one of 'downstaging' to one of early treatment of micro-metastases and selection of patients with favourable tumour biology for resection. Defining resectability in PDAC is problematic; multiple differing definitions exist. Multidisciplinary input, both in initial assessment of resectability and in supervision of multimodality therapy, is therefore advised. European and North American guidelines recommend the use of neoadjuvant chemotherapy in borderline resectable (BR)-PDAC. Similar regimens may be applied in locally advanced (LA)-PDAC with the aim of improving potential access to curative-intent resection, but appropriate patient selection is key due to significant rates of recurrence after excision of LA disease. Upfront surgery and adjuvant chemotherapy remain standard-of-care in clearly resectable PDAC, but multiple trials evaluating the use of neoadjuvant therapy in this and other localised settings are ongoing.
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Affiliation(s)
- Simon Gray
- Department of Medical Oncology, The Christie NHS Foundation Trust, Wilmslow Rd, Manchester, M20 4BX, United Kingdom
| | - Nicola de Liguori Carino
- Regional Hepato-Pancreato-Biliary Unit, Manchester Royal Infirmary, Oxford Rd, Manchester, M13 9WL, United Kingdom
| | - Ganesh Radhakrishna
- Department of Medical Oncology, The Christie NHS Foundation Trust, Wilmslow Rd, Manchester, M20 4BX, United Kingdom
| | - Angela Lamarca
- Department of Medical Oncology, The Christie NHS Foundation Trust, Wilmslow Rd, Manchester, M20 4BX, United Kingdom; Division of Cancer Sciences, University of Manchester, Oxford Rd, Manchester, M13 9PL, United Kingdom
| | - Richard A Hubner
- Department of Medical Oncology, The Christie NHS Foundation Trust, Wilmslow Rd, Manchester, M20 4BX, United Kingdom; Division of Cancer Sciences, University of Manchester, Oxford Rd, Manchester, M13 9PL, United Kingdom
| | - Juan W Valle
- Division of Cancer Sciences, University of Manchester, Oxford Rd, Manchester, M13 9PL, United Kingdom; Department of Medical Oncology, The Christie NHS Foundation Trust, Wilmslow Rd, Manchester, M20 4BX, United Kingdom
| | - Mairéad G McNamara
- Division of Cancer Sciences, University of Manchester, Oxford Rd, Manchester, M13 9PL, United Kingdom; Department of Medical Oncology, The Christie NHS Foundation Trust, Wilmslow Rd, Manchester, M20 4BX, United Kingdom.
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17
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An evaluation of safety and survival for patients with locally advanced pancreatic cancer treated with irreversible electroporation combined with chemotherapy: a retrospectively observational study. JOURNAL OF PANCREATOLOGY 2022. [DOI: 10.1097/jp9.0000000000000088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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18
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Poulkouras R, Dijk G, Lefevre M, Bača M, Moreau D, O'Connor RP. PEDOT:PSS coated electrodes reduce intracellular oxidation and cell damage with pulsed electric field application. Bioelectrochemistry 2022; 147:108163. [DOI: 10.1016/j.bioelechem.2022.108163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 05/12/2022] [Accepted: 05/15/2022] [Indexed: 11/26/2022]
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19
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Zhao Y, McKillop IH, Davalos RV. Modeling of a single bipolar electrode with tines for irreversible electroporation delivery. Comput Biol Med 2022; 142:104870. [PMID: 35051854 PMCID: PMC10037907 DOI: 10.1016/j.compbiomed.2021.104870] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 08/24/2021] [Accepted: 09/12/2021] [Indexed: 01/07/2023]
Abstract
Irreversible electroporation (IRE) is a non-thermal tumor ablation technology employed to treat solid tumors not amenable to resection or thermal ablation. The IRE systems currently in clinical use deliver electrical pulses via multiple monopolar electrodes. This approach can present significant technical challenges due to the requirement for accurate placement of multiple electrodes and maintenance of parallel electrode alignment during pulse delivery. In this study, we sought to evaluate a novel IRE electrode configuration consisting of a single bipolar electrode with deployable tines. Using commercial finite element software predicted ablation outcomes, thermal damage, ablation sphericity, and energy delivery were calculated for existing monopolar and bipolar electrodes, and bipolar electrodes with either 4 or 8 deployable tines. The bipolar electrodes with tines generated larger predicted ablations compared to existing monopolar (>100%) and bipolar (>10%) arrangements, and the ablation shape using bipolar electrodes with tines were more spherical than those modeled for bipolar electrodes. Thermal damage modeled for bipolar electrodes and bipolar electrodes with tines was less than that of monopolar electrodes (using identical pulse parameters), and bipolar electrodes with tines delivered less energy than monopolar or bipolar electrodes. These studies using a single point of device insertion suggest the potential for developing alternative IRE delivery techniques, and may simplify clinical use and increase the predicted ablation shape/volume.
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Affiliation(s)
- Yajun Zhao
- College of Electrical Engineering and Control Science, Nanjing Tech. University, Nanjing, 211816, China; Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA, 24061, USA.
| | - Iain H McKillop
- Department of Surgery, Atrium Health, 1000 Blythe Boulevard, Charlotte, NC, 28203, USA
| | - Rafael V Davalos
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA, 24061, USA
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20
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Spiliopoulos S, Zurlo MT, Casella A, Laera L, Surico G, Surgo A, Fiorentino A, de'Angelis N, Calbi R, Memeo R, Inchingolo R. Current status of non-surgical treatment of locally advanced pancreatic cancer. World J Gastrointest Oncol 2021; 13:2064-2075. [PMID: 35070042 PMCID: PMC8713317 DOI: 10.4251/wjgo.v13.i12.2064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 06/28/2021] [Accepted: 10/25/2021] [Indexed: 02/06/2023] Open
Abstract
Pancreatic cancer is the 7th leading cause of death due to cancer in industrialized countries and the 11th most common cancer globally, with 458918 new cases (2.5% of all cancers) and 432242 deaths (4.5% of all cancer deaths) in 2018. Unfortunately, 80% to 90% of the patients present with unresectable disease, and the reported 5-year survival rate range between 10% and 25%, even after successful resection with tumor-free margins. Systemic chemotherapy, radiotherapy, and minimally invasive image-guided procedures that have emerged over the past years, are used for the management of non-operable PC. This review focuses on currently available non-surgical options of locally advanced pancreatic cancer.
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Affiliation(s)
- Stavros Spiliopoulos
- 2nd Radiology Department, Interventional Radiology Unit, National and Kapodistrian University of Athens, Athens 12461, Greece
| | - Maria Teresa Zurlo
- Interventional Radiology Unit, “F. Miulli” Regional General Hospital, Acquaviva delle Fonti 70021, Italy
| | - Annachiara Casella
- Unit of Hepato-Pancreatic-Biliary Surgery, “F. Miulli” Regional General Hospital, Acquaviva delle Fonti 70021, Italy
| | - Letizia Laera
- Department of Oncology, General Regional Hospital “F. Miulli”, Acquaviva delle Fonti 70021, Italy
| | - Giammarco Surico
- Department of Oncology, General Regional Hospital “F. Miulli”, Acquaviva delle Fonti 70021, Italy
| | - Alessia Surgo
- Department of Radiation Oncology, “F. Miulli” Regional General Hospital, Acquaviva delle Fonti 70021, Italy
| | - Alba Fiorentino
- Department of Radiation Oncology, “F. Miulli” Regional General Hospital, Acquaviva delle Fonti 70021, Italy
| | - Nicola de'Angelis
- Unit of Minimally Invasive and Robotic Digestive Surgery, “F. Miulli” Regional General Hospital, Acquaviva delle Fonti 70021, Italy
| | - Roberto Calbi
- Department of Radiology, General Regional Hospital “F. Miulli”, Acquaviva delle Fonti 70021, Italy
| | - Riccardo Memeo
- Unit of Hepato-Pancreatic-Biliary Surgery, “F. Miulli” Regional General Hospital, Acquaviva delle Fonti 70021, Italy
| | - Riccardo Inchingolo
- Interventional Radiology Unit, “F. Miulli” Regional General Hospital, Acquaviva delle Fonti 70021, Italy
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21
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Heger U, Hackert T. Can local ablative techniques replace surgery for locally advanced pancreatic cancer? J Gastrointest Oncol 2021; 12:2536-2546. [PMID: 34790414 DOI: 10.21037/jgo-20-379] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 11/04/2020] [Indexed: 12/25/2022] Open
Abstract
In the treatment of pancreatic ductal adenocarcinoma (PDAC) the best chance at long term survival or cure has to date always included the complete surgical removal of the tumor. However, locally advanced pancreatic cancer (LAPC), about 25% of all newly diagnosed PDAC, is defined by its primary technical unresectability due to infiltration of visceral arteries and absence of metastasis. Induction therapies, especially FOLFIRINOX treatment, together with technical surgical advancement have increased the numbers for conversion to secondary resectability. Recent data on resections after induction therapy show promising, almost doubled survival compared to palliative treatment. Yet, around 70% of LAPC remain unresectable after induction therapy, often due to persistent local invasion. As locally ablative techniques are becoming more widely available this review examines their possible applicability to substitute for surgery in these cases which we propose to group under the new term "Inconvertible LAPC". The need for defining this novel subgroup who might benefit from ablative treatment is based on the findings in our review that high-level evidence on ablative techniques for PDAC is largely lacking and the latest effective, harmonized treatment guidelines for LAPC are not often incorporated in these studies. The "inconvertible LAPC" label requires persistent unresectability after staging and induction therapy of LAPC according to current guidelines followed by liberal indication for aggressive surgical exploration at a center equipped for extended pancreatic resections. Ideally, this specification of a new, distinct patient group will also put it in the spotlight more, hopefully prompt more trials designed to generate robust evidence and optimize transferability of study results.
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Affiliation(s)
- Ulrike Heger
- Department of Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Thilo Hackert
- Department of Surgery, Heidelberg University Hospital, Heidelberg, Germany
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Heger U, Mack C, Tjaden C, Pan F, Pausch T, Hinz U, Sommer CM, Hackert T. Open irreversible electroporation for isolated local recurrence of pancreatic ductal adenocarcinoma after primary surgery. Pancreatology 2021; 21:1349-1355. [PMID: 34404600 DOI: 10.1016/j.pan.2021.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 07/28/2021] [Accepted: 08/11/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND/OBJECTIVES Irreversible electroporation (IRE) is an emerging treatment for locally advanced pancreatic cancer (LAPC) which in some cohorts has been associated with severe complications. Additionally, re-resection of isolated local recurrence (ILR) after pancreatic ductal adenocarcinoma (PDAC) can improve survival. We investigated safety, feasibility and oncologic outcomes in the first report on open IRE for unresectable ILR of PDAC in a staged surgical approach. METHODS Records of the prospectively documented institutional database were screened for patients undergoing laparotomy in IRE-standby due to questionable resectability. Endpoints were morbidity, mortality and overall (OS) and progression free survival (PFS). Data of LAPC and ILR were compared statistically for safety and feasibility analysis. RESULTS Intraoperative IRE was performed in 11 ILR and 14 LAPC. Six (54.5%) ILR and 10 (71.4%) LAPC patients had postoperative complications, type and frequency did not differ significantly. Major complications occurred in one ILR and two LAPC patients. Median OS was 20.0 months (95% CI: 2.7-37.3) after IRE for ILR and 28 (17.4-38.6) for LAPC. Median PFS after IRE was seven months for both ILR (4.1-9.9; n = 9) and LAPC (2.3-11.7; n = 13). CONCLUSION Open IRE for unresectable ILR was associated with acceptable perioperative risk. In this small, highly selected subset of patients with limited therapeutic options ancillary treatment with IRE might improve survival. Randomized treatment studies are required to establish the definitive role of IRE as compared to palliative standards of care in unresectable recurrence of PDAC and inconvertible LAPC.
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Affiliation(s)
- Ulrike Heger
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Claudia Mack
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Christine Tjaden
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Feng Pan
- Clinic of Diagnostic and Interventional Radiology, Heidelberg University Hospital, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany; Home Address: Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Sheng, China
| | - Thomas Pausch
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Ulf Hinz
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Christof M Sommer
- Clinic of Diagnostic and Interventional Radiology, Heidelberg University Hospital, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany; Department of Nuclear Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120 Heidelberg, Germany
| | - Thilo Hackert
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany.
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O'Kane GM, Ladak F, Gallinger S. Avancées dans la prise en charge de l’adénocarcinome canalaire pancréatique. CMAJ 2021; 193:E1362-E1370. [PMID: 34462299 PMCID: PMC8432315 DOI: 10.1503/cmaj.201450-f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Affiliation(s)
- Grainne M O'Kane
- Centre d'oncologie Princess Margaret (O'Kane, Gallinger), Réseau universitaire de santé de Toronto, Toronto, Ont.; Université de l'Alberta (Ladak), Edmonton, Alb. Grainne.O'
| | - Farah Ladak
- Centre d'oncologie Princess Margaret (O'Kane, Gallinger), Réseau universitaire de santé de Toronto, Toronto, Ont.; Université de l'Alberta (Ladak), Edmonton, Alb
| | - Steven Gallinger
- Centre d'oncologie Princess Margaret (O'Kane, Gallinger), Réseau universitaire de santé de Toronto, Toronto, Ont.; Université de l'Alberta (Ladak), Edmonton, Alb
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Bibok A, Kim DW, Malafa M, Kis B. Minimally invasive image-guided therapy of primary and metastatic pancreatic cancer. World J Gastroenterol 2021; 27:4322-4341. [PMID: 34366607 PMCID: PMC8316906 DOI: 10.3748/wjg.v27.i27.4322] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 05/21/2021] [Accepted: 06/23/2021] [Indexed: 02/06/2023] Open
Abstract
Pancreatic cancer is a challenging malignancy with limited treatment options and poor life expectancy. The only curative option is surgical resection, but only 15%-20% of patients are resectable at presentation because more than 50% of patients has distant metastasis at diagnosis and the rest of them has locally advanced pancreatic cancer (LAPC). The standard of care first line treatment for LAPC patients is chemotherapy with or without radiation therapy. Recent developments in minimally invasive ablative techniques may add to the treatment armamentarium of LAPC. There are increasing number of studies evaluating these novel ablative techniques, including radiofrequency ablation, microwave ablation, cryoablation and irreversible electroporation. Most studies which included pancreatic tumor ablation, demonstrated improved overall survival in LAPC patients. However, the exact protocols are yet to set up to which stage of the treatment algorithm ablative techniques can be added and in what kind of treatment combinations. Patients with metastatic pancreatic cancer has dismal prognosis with 5-year survival is only 3%. The most common metastatic site is the liver as 90% of pancreatic cancer patients develop liver metastasis. Chemotherapy is the primary treatment option for patients with metastatic pancreatic cancer. However, when the tumor is not responding to chemotherapy or severe drug toxicity develops, locoregional liver-directed therapies can provide an opportunity to control intrahepatic disease progression and improve survival in selected patients. During the last decade new therapeutic options arose with the advancement of minimally invasive technologies to treat pancreatic cancer patients. These new therapies have been a topic of increasing interest due to the severe prognostic implications of locally advanced and metastatic pancreatic cancer and the low comorbid risk of these procedures. This review summarizes new ablative options for patients with LAPC and percutaneous liver-directed therapies for patients with liver-dominant metastatic disease.
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Affiliation(s)
- Andras Bibok
- Department of Diagnostic Imaging and Interventional Radiology, H. Lee Moffitt Cancer Center, Tampa, FL 33612, United States
- Department of Transplantation & Surgery, Radiology Unit, Semmelweis University, Budapest 1085, Hungary
| | - Dae Won Kim
- Department of Gastrointestinal Oncology, H. Lee Moffitt Cancer Center, Tampa, FL 33612, United States
| | - Mokenge Malafa
- Department of Gastrointestinal Oncology, H. Lee Moffitt Cancer Center, Tampa, FL 33612, United States
| | - Bela Kis
- Department of Diagnostic Imaging and Interventional Radiology, H. Lee Moffitt Cancer Center, Tampa, FL 33612, United States
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Laparoscopic ultrasonography-guided cryoablation of locally advanced pancreatic cancer: a preliminary report. Jpn J Radiol 2021; 40:86-93. [PMID: 34279799 DOI: 10.1007/s11604-021-01175-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 07/13/2021] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To evaluate safety and feasibility of laparoscopic ultrasonography (LUS)-guided cryoablation of locally advanced pancreatic cancer (LAPC). PATIENTS AND METHODS From April 2018 to December 2018, ten patients (five women, five men; mean age 58.2 ± 9.4 years) with LAPC underwent the operation. LUS was used to guide the cryoablation. Computed tomography (CT) imaging, biochemical analysis and pain score analysis by numeric rating scale (NRS) were used to assess treatment outcomes at 1 week and 3 months after the operation. RESULTS Cryoablation was performed by the operation in all cases. Seven patients received complete ablation and the success rate of operation was 70%. Two cryoablation cycles and an average of 1.4 ± 0.5 cryoprobes were used. The average freezing time and operation time were 23.8 ± 1.0 and 110.5 ± 24.7 min, respectively. The mean blood loss was 52.0 ± 16.6 ml. No major complications were observed after the operation. The mean maximum tumor diameter determined by CT decreased from 4.9 ± 0.7 cm before the operation to 4.7 ± 1.0 cm at 1 week and 4.6 ± 1.3 cm at 3 months, with P values of 0.53 and 0.51 (relative to the preoperative values), respectively. Postoperative CT imaging results suggested tumor necrosis in cryoablation-treated areas. The mean CA19-9 levels decreased from 347.5 ± 345.7 U/mL before operation to 190.4 ± 153.8 U/mL at 1 week and 182.7 ± 165.6 U/mL at 3 months, with P values of 0.15 and 0.14 (relative to the preoperative values), respectively. The average pain scores declined from 6.9 ± 1.1 before operation to 1.3 ± 1.2 at 1 week and 2.0 ± 0.8 at 3 months, with both P values of < 0.01 (relative to the preoperative values). CONCLUSION This preliminary study suggested that LUS-assisted cryoablation was a safe and feasible treatment for LAPC.
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Multicenter randomized controlled trial and registry study to assess the safety and efficacy of the NanoKnife® system for the ablation of stage 3 pancreatic adenocarcinoma: overview of study protocols. BMC Cancer 2021; 21:785. [PMID: 34233640 PMCID: PMC8261981 DOI: 10.1186/s12885-021-08474-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 06/09/2021] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Irreversible electroporation (IRE) is a local ablation technique utilizing high voltage, low energy direct current to create nanopores in cell membrane which disrupt homeostasis and leads to cell death. Previous reports have suggested IRE may have a role in treating borderline resectable and unresectable Stage 3 pancreatic tumors. METHODS Patients with Stage 3 pancreatic ductal adenocarcinoma (PDAC) will be enrolled in either a randomized, controlled, multicenter trial (RCT) or a multicenter registry study. Subjects enrolled in the RCT must have no evidence of disease progression after 3 months of modified FOLFIRINOX (mFOLFIRINOX) treatment prior to being randomization to either a control or IRE arm. Post-induction and post-IRE treatment for the control and IRE arms, respectively, will be left to the discretion of the treating physician. The RCT will enroll 528 subjects with 264 per arm and include up to 15 sites. All subjects will be followed for at least 24 months or until death. The registry study will include two cohorts of patients with Stage 3 PDAC, patients who received institutional standard of care (SOC) alone and those treated with IRE in addition to SOC. Both cohorts will be required to have undergone at least 3 months of SOC without progression prior to enrollment. The registry study will enroll 532 patients with 266 patients in each arm. All patients will be followed for at least 24 months or until death. The primary efficacy endpoint for both studies will be overall survival (OS). Co-primary safety endpoints will be 1) time from randomization or enrollment in the registry to death or new onset of Grade 4 adverse event (AE), and (2 high-grade complications defined as any AE or serious AE (SAE) with a CTCAE v5.0 grade of 3 or higher. Secondary endpoints will include progression-free survival, cancer-related pain, quality of life, and procedure-related pain for the IRE arm only. DISCUSSION These studies are intended to provide Level 1 clinical evidence and real-world data demonstrating the clinical utility and safety of the use of IRE in combination with chemotherapy in patients with Stage 3 PDAC. TRIAL REGISTRATION Clinicaltrials.gov NCT03899636 and NCT03899649. Registered April 2, 2019. Food and Drug Administration (FDA) Investigational Device Exemption (IDE) trial G180278 approved on May 3, 2019.
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Oikonomou D, Karamouzis MV, Moris D, Dimitrokallis N, Papamichael D, Kountourakis P, Astras G, Davakis S, Papalampros A, Schizas D, Petrou AS, Felekouras E. Irreversible Electroporation (IRE) Combined With Chemotherapy Increases Survival in Locally Advanced Pancreatic Cancer (LAPC). Am J Clin Oncol 2021; 44:325-330. [PMID: 33979098 DOI: 10.1097/coc.0000000000000826] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVES Locally advanced pancreatic cancer (LAPC) is found in about 40% of patients with pancreatic cancer. Irreversible electroporation (IRE) is a nonthermal ablative technique that provides an alternative in patients with LAPC and can be safely combined with chemotherapy. MATERIALS AND METHODS From 2015 until October of 2019, we performed laparotomic IRE in a total of 40 patients with stage III LAPC. The median age of these patients was 65.2 years (range: 46 to 81 y), and the median tumor size was 3.8 cm (range: 2 to 5.2 cm). 33 of 40 patients were treated preoperatively with FOLFIRINOX or nab-paclitaxel plus gemcitabine and in case of disease control, IRE was performed, whereas in 7 patients, IRE was performed without previous chemotherapy. RESULTS All patients were treated successfully with IRE as the tumor evaluation showed no disease progression after the completion of induction chemotherapy. No IRE-related deaths occurred. Two major grade III complications were reported: pancreatic fistula grade A in 8 patients and 3 patients diagnosed with delayed gastric emptying. Up to October 31, 2019, the median overall survival (OS) of all patients was 24.2 months (range: 6 to 36 mo), and the median progression-free survival was 10.3 months (range: 3 to 24 mo). After the completion of IRE, 30 patients (75%) continued with adjuvant chemotherapy. Fifteen patients (37%) have >24 months OS and 3 patients (8%) have reached 36 months OS and are still alive. CONCLUSION The combination of chemotherapy with IRE, which is a safe and effective procedure, may result in a survival benefit for patients with LAPC.
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Affiliation(s)
- Dimitrios Oikonomou
- First Department of Surgery, Athens University School of Medicine, Laiko General Hospital
| | - Michalis V Karamouzis
- Department of Biological Chemistry, Division of Molecular Oncology, Athens University School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitrios Moris
- First Department of Surgery, Athens University School of Medicine, Laiko General Hospital
| | - Nikolaos Dimitrokallis
- First Department of Surgery, Athens University School of Medicine, Laiko General Hospital
| | | | | | - Georgios Astras
- Department of Medical Oncology, American Oncology Center, American Medical Center
| | - Spyridon Davakis
- First Department of Surgery, Athens University School of Medicine, Laiko General Hospital
| | - Alexandros Papalampros
- First Department of Surgery, Athens University School of Medicine, Laiko General Hospital
| | - Dimitrios Schizas
- First Department of Surgery, Athens University School of Medicine, Laiko General Hospital
| | - Athanasios S Petrou
- Department of Surgery, American Medical Center (AMC), Division of HPB and Surgical Oncology, American Institute of Minimal Invasive Surgery (AIMIS), Nicosia, Cyprus
| | - Evangelos Felekouras
- First Department of Surgery, Athens University School of Medicine, Laiko General Hospital
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Affiliation(s)
- Grainne M O'Kane
- Princess Margaret Cancer Centre (O'Kane, Gallinger), University Health Network, Toronto, Toronto, Ont.; University of Alberta (Ladak), Edmonton, Alta. Grainne.O'
| | - Farah Ladak
- Princess Margaret Cancer Centre (O'Kane, Gallinger), University Health Network, Toronto, Toronto, Ont.; University of Alberta (Ladak), Edmonton, Alta
| | - Steven Gallinger
- Princess Margaret Cancer Centre (O'Kane, Gallinger), University Health Network, Toronto, Toronto, Ont.; University of Alberta (Ladak), Edmonton, Alta
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Kwon W, Thomas A, Kluger MD. Irreversible electroporation of locally advanced pancreatic cancer. Semin Oncol 2021; 48:84-94. [PMID: 33648735 DOI: 10.1053/j.seminoncol.2021.02.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/18/2021] [Accepted: 02/02/2021] [Indexed: 12/14/2022]
Abstract
Locally advanced pancreatic cancer (LAPC) constitutes approximately one-third of all pancreatic cancer, with standard of care inconsistently defined and achieving modest outcomes at best. While resection after downstaging offers the chance for cure, only a fraction of patients with LAPC become candidates for resection. Chemotherapy remains the mainstay of treatment for the remainder. In these patients, ablative therapy may be given for local control of the tumor. Irreversible electroporation (IRE) is an attractive ablative technique. IRE changes the permeability of tumor cell membranes to induce apoptosis. Unlike other ablative therapies, IRE causes little thermal injury to the target area, making it ideal for LAPC involving major vessels. Compared to systemic chemotherapy alone, IRE seems to offer some survival benefit. Although early studies reported notable morbidity and mortality rates, IRE presents opportunities for those who cannot undergo resection and who otherwise have limited options. Another role of IRE is to extend the margins of resected tumors when there is a concern for R1 resection. Perhaps most exciting, IRE is thought to have effects beyond local ablation. IRE has immunomodulatory effects, which may induce in vivo vaccination and may potentially synergize with immunotherapy. Through electrochemotherapy, IRE may enhance drug delivery to residual tumor cells. Ultimately the role of IRE in the treatment of LAPC still needs to be validated through well designed randomized trials. Investigations of its future possibilities are in the early stages. IRE offers the potential to provide more options to LAPC patients.
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Affiliation(s)
- Wooil Kwon
- Division of GI/Endocrine Surgery, Department of Surgery, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA; Division of Hepatobiliary & Pancreatic Surgery, Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Alexander Thomas
- Division of GI/Endocrine Surgery, Department of Surgery, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Michael D Kluger
- Division of GI/Endocrine Surgery, Department of Surgery, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA.
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White RR, Murphy JD, Martin RCG. The Landmark Series: Locally Advanced Pancreatic Cancer and Ablative Therapy Options. Ann Surg Oncol 2021; 28:4173-4180. [PMID: 33586072 DOI: 10.1245/s10434-021-09662-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 01/15/2021] [Indexed: 12/11/2022]
Abstract
Locally advanced pancreatic cancer (LAPC) is a challenging disease to treat. There is consensus that systemic chemotherapy should be the first line of therapy for most patients. However, there is no consensus on how to manage those patients who do not have sufficient response to become candidates for resection but also do not have distant progression after weeks or months of systemic therapy. Radiation therapy is the most commonly used and best-studied local ablative therapy. One recent randomized controlled trial (LAP-07) failed to demonstrate an overall survival benefit for conventional chemoradiation therapy after induction chemotherapy versus chemotherapy alone. This study had several limitations, and ongoing studies are re-evaluating the role of chemoradiation after more effective chemotherapy regimens as well as more advanced radiation techniques. In parallel, there has been increasing interest in other thermal and non-thermal methods of ablation. In particular, irreversible electroporation has gained traction for treatment of LAPC, with at least one ongoing randomized controlled trial designed to address its role compared with systemic chemotherapy alone. Multiple preclinical and clinical studies are investigating combinations of local ablation and immunotherapy with the goal of generating immune responses that will meaningfully improve outcomes.
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Affiliation(s)
- Rebekah R White
- Department of Surgery, University of California San Diego Moores Cancer Center, La Jolla, CA, USA.
| | - James D Murphy
- Department of Radiation Oncology, University of California San Diego Moores Cancer Center, La Jolla, CA, USA
| | - Robert C G Martin
- Department of Surgery, University of Louisville, Louisville, KY, USA
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Laser Treatment of Pancreatic Cancer with Immunostimulating Interstitial Laser Thermotherapy Protocol: Safety and Feasibility Results From Two Phase 2a Studies. J Surg Res 2020; 259:1-7. [PMID: 33278792 DOI: 10.1016/j.jss.2020.10.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/03/2020] [Accepted: 10/31/2020] [Indexed: 12/14/2022]
Abstract
PURPOSE Ablative techniques have emerged as new potential therapeutic options for patients with locally advanced pancreatic cancer (LAPC). We explored the safety and feasibility of using TRANBERG|Thermal Therapy System (Clinical Laserthermia Systems AB, Lund, Sweden) in feedback mode for immunostimulating Interstitial Laser Thermotherapy (imILT) protocol, the newest ablative technique introduced for the treatment of LAPC. METHODS The safety and feasibility results after the use of imILT protocol treatment in 15 patients of a prospective series of postsystemic therapy LAPC in two high-volume European institutions, the General and Pancreatic Unit of the Pancreas Institute, of the University of Verona, Italy, and the Department of Surgical Oncology of the Institut Paoli-Calmettes of Marseille, France, were assessed. RESULTS The mean age was 66 ± 5 years, with a mean tumor size of 34.6 (±8) mm. The median number of cycles of pre-imILT chemotherapy was 6 (6-12). The procedure was performed in 13 of 15 (86.6%) cases; indeed, in two cases, the procedure was not performed; in one, the procedure was considered technically demanding; in the other, liver metastases were found intraoperatively. In all treated cases, the procedure was completed. Three late pancreatic fistulas developed over four overall adverse events (26.6%) and were attributed to imILT. Mortality was nil. A learning curve is necessary to interpret and manage the laser parameters. CONCLUSIONS Safety, feasibility, and device handling outcomes of using TRANBERG|Thermal Therapy System with temperature probes in feedback mode and imILT protocol on LAPC were not satisfactory. The metastatic setting may be appropriate to evaluate the hypothetic abscopal effect.#NCT02702986 and #NCT02973217.
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Uysal A, Unal E, Karaosmanoglu AD, Arellano R, Ciftci TT, Akinci D, Akhan O. The role of interventional radiology in the treatment of patients with pancreatic cancer. Br J Radiol 2020; 94:20200702. [PMID: 33156695 DOI: 10.1259/bjr.20200702] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Interventional radiology (IR) provides minimally invasive therapeutic and palliative options for the treatment of pancreatic cancer depending on the stage of the disease. IR plays a critical, and also a very effective role, in both pre- and post-operative care of the patients with early stage resectable disease and also in palliative treatment of the patients with locally advanced or metastatic disease. In this article, we aimed to present the capability and the limitations of IR procedures including: local treatment options of primary and metastatic pancreatic cancer, palliation of biliary and intestinal obstructions, minimally invasive treatment of post-operative complications, and pain management.
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Affiliation(s)
- Aycan Uysal
- Department of Radiology, Gulhane Training and Research Hospital, Ankara, Turkey
| | - Emre Unal
- Department of Radiology, Hacettepe University School of Medicine, Ankara, Turkey
| | | | - Ronald Arellano
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Turkmen Turan Ciftci
- Department of Radiology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Devrim Akinci
- Department of Radiology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Okan Akhan
- Department of Radiology, Hacettepe University School of Medicine, Ankara, Turkey
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Nguyen KG, Vrabel MR, Mantooth SM, Hopkins JJ, Wagner ES, Gabaldon TA, Zaharoff DA. Localized Interleukin-12 for Cancer Immunotherapy. Front Immunol 2020; 11:575597. [PMID: 33178203 PMCID: PMC7593768 DOI: 10.3389/fimmu.2020.575597] [Citation(s) in RCA: 196] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 09/08/2020] [Indexed: 12/30/2022] Open
Abstract
Interleukin-12 (IL-12) is a potent, pro-inflammatory type 1 cytokine that has long been studied as a potential immunotherapy for cancer. Unfortunately, IL-12's remarkable antitumor efficacy in preclinical models has yet to be replicated in humans. Early clinical trials in the mid-1990's showed that systemic delivery of IL-12 incurred dose-limiting toxicities. Nevertheless, IL-12's pleiotropic activity, i.e., its ability to engage multiple effector mechanisms and reverse tumor-induced immunosuppression, continues to entice cancer researchers. The development of strategies which maximize IL-12 delivery to the tumor microenvironment while minimizing systemic exposure are of increasing interest. Diverse IL-12 delivery systems, from immunocytokine fusions to polymeric nanoparticles, have demonstrated robust antitumor immunity with reduced adverse events in preclinical studies. Several localized IL-12 delivery approaches have recently reached the clinical stage with several more at the precipice of translation. Taken together, localized delivery systems are supporting an IL-12 renaissance which may finally allow this potent cytokine to fulfill its considerable clinical potential. This review begins with a brief historical account of cytokine monotherapies and describes how IL-12 went from promising new cure to ostracized black sheep following multiple on-study deaths. The bulk of this comprehensive review focuses on developments in diverse localized delivery strategies for IL-12-based cancer immunotherapies. Advantages and limitations of different delivery technologies are highlighted. Finally, perspectives on how IL-12-based immunotherapies may be utilized for widespread clinical application in the very near future are offered.
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Affiliation(s)
- Khue G Nguyen
- Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill and North Carolina State University, Raleigh, NC, United States
| | - Maura R Vrabel
- Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill and North Carolina State University, Raleigh, NC, United States
| | - Siena M Mantooth
- Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill and North Carolina State University, Raleigh, NC, United States
| | - Jared J Hopkins
- Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill and North Carolina State University, Raleigh, NC, United States
| | - Ethan S Wagner
- Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill and North Carolina State University, Raleigh, NC, United States
| | - Taylor A Gabaldon
- Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill and North Carolina State University, Raleigh, NC, United States
| | - David A Zaharoff
- Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill and North Carolina State University, Raleigh, NC, United States
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The efficacy and safety of the open approach irreversible electroporation in the treatment of pancreatic cancer: A systematic review. Eur J Surg Oncol 2020; 46:1565-1572. [PMID: 32536525 DOI: 10.1016/j.ejso.2020.05.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 05/04/2020] [Accepted: 05/19/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Irreversible Electroporation (IRE) is a novel non-thermal ablation technique used in patients with locally advanced pancreatic cancer (LAPC), in the proximity of sensitive structures such as vessels, intestinal wall and the bile duct. Currently, it is only used in the setting of clinical trials. This systematic review aimed to tackle the knowledge gap in the literature, in relation to the safety and efficacy of the open approach IRE. METHODS MEDLINE, EMBASE and Cochrane libraries were searched for English language articles published from January 2000 to December 2019. Data related to safety and efficacy were extracted. RESULTS Nine studies involving 460 patients with LAPC were included. Open approach IRE was associated with high morbidity (29.4%) but with a survival benefit compared to traditional treatment. Median overall survival (OS) was at 17.15 months. Major morbidity was at 10.2% and mortality at 3.4%. CONCLUSIONS Despite the paucity of literature and the low quality of evidence, the results regarding safety and efficacy appear to be encouraging. The high morbidity seems to be mitigated by a demonstrated improvement in OS. The potential of this technique is more evident when mortality and major morbidity are considered, since they are at acceptable levels. The limitations of this review have made it difficult to extract definitive conclusions. Higher quality evidence is needed in the form of large-scale multicentre randomized controlled trials. It remains to be elucidated whether the rate of adverse events decreases as our experience with this technique increases.
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Timmer FEF, Geboers B, Ruarus AH, Schouten EAC, Nieuwenhuizen S, Puijk RS, de Vries JJJ, Meijerink MR, Scheffer HJ. Irreversible Electroporation for Locally Advanced Pancreatic Cancer. Tech Vasc Interv Radiol 2020; 23:100675. [PMID: 32591191 DOI: 10.1016/j.tvir.2020.100675] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Several minimally invasive image guided tumor ablation techniques have been added to the treatment spectrum for locally advanced pancreatic cancer (LAPC). Irreversible electroporation (IRE) might have a significant additive value in the management of this difficult-to-treat disease. As opposed to thermal ablative techniques, IRE induces cell death by the delivery of high-voltage electrical pulses. The electrical energy disrupts the cellular membrane integrity, causes loss of cellular homeostasis and ultimately results in cell death. The extracellular matrix of connective tissue in surrounding delicate structures such as bile ducts, bowel wall, and larger blood vessels is spared. The preservation of these structures makes IRE attractive for the treatment of pancreatic cancers that are unresectable due to their anatomical location (ie, LAPC and local recurrence after surgical resection). In addition to its cytoreductive abilities, evidence is emerging on IRE's capability to induce systemic immunomodulation through active in vivo vaccination against pancreatic cancer cells. These effects in combination with immunotherapy may offer a new treatment paradigm for tumors with low immunogenic potential like pancreatic ductal adenocarcinoma (PDAC). This review discusses several practical and technical issues of IRE for LAPC: clinical evaluation, indications, patient preparations, procedural steps, imaging characteristics, clinical results, and "tricks of the trade" used to improve the safety and efficacy of the treatment. Future directions such as the combination of IRE with immunotherapy will be shortly addressed.
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Affiliation(s)
- Florentine E F Timmer
- Department of Radiology and Nuclear Medicine at the Amsterdam University Medical Center, Vrije Universiteit-Cancer Center Amsterdam in Amsterdam, The Netherlands
| | - Bart Geboers
- Department of Radiology and Nuclear Medicine at the Amsterdam University Medical Center, Vrije Universiteit-Cancer Center Amsterdam in Amsterdam, The Netherlands.
| | - Alette H Ruarus
- Department of Radiology and Nuclear Medicine at the Amsterdam University Medical Center, Vrije Universiteit-Cancer Center Amsterdam in Amsterdam, The Netherlands
| | - Evelien A C Schouten
- Department of Radiology and Nuclear Medicine at the Amsterdam University Medical Center, Vrije Universiteit-Cancer Center Amsterdam in Amsterdam, The Netherlands
| | - Sanne Nieuwenhuizen
- Department of Radiology and Nuclear Medicine at the Amsterdam University Medical Center, Vrije Universiteit-Cancer Center Amsterdam in Amsterdam, The Netherlands
| | - Robbert S Puijk
- Department of Radiology and Nuclear Medicine at the Amsterdam University Medical Center, Vrije Universiteit-Cancer Center Amsterdam in Amsterdam, The Netherlands
| | - Jan J J de Vries
- Department of Radiology and Nuclear Medicine at the Amsterdam University Medical Center, Vrije Universiteit-Cancer Center Amsterdam in Amsterdam, The Netherlands
| | - Martijn R Meijerink
- Department of Radiology and Nuclear Medicine at the Amsterdam University Medical Center, Vrije Universiteit-Cancer Center Amsterdam in Amsterdam, The Netherlands
| | - Hester J Scheffer
- Department of Radiology and Nuclear Medicine at the Amsterdam University Medical Center, Vrije Universiteit-Cancer Center Amsterdam in Amsterdam, The Netherlands
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Temperature Dependence of High Frequency Irreversible Electroporation Evaluated in a 3D Tumor Model. Ann Biomed Eng 2020; 48:2233-2246. [PMID: 32409902 DOI: 10.1007/s10439-019-02423-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 11/21/2019] [Indexed: 12/18/2022]
Abstract
Electroporation is a bioelectric phenomenon used to deliver target molecules into cells in vitro and irreversible electroporation (IRE) is an emerging cancer therapy used to treat inoperable tumors in situ. These phenomena are generally considered to be non-thermal in nature. In this study, a 3D tumor model was used to investigate the correlation between temperature and the effectiveness of standard clinical IRE and high frequency (H-FIRE) protocols. It was found for human glioblastoma cells that in the range of 2 to 37 °C the H-FIRE lethal electric field threshold value, which describes the minimum electric field to cause cell death, is highly dependent on temperature. Increasing the initial temperature from 2 to 37 °C resulted in a significant decrease in lethal electric field threshold from 1168 to 507 V/cm and a 139% increase in ablation size for H-FIRE burst treatments. Standard clinical protocol IRE treatments resulted in a decrease in lethal threshold from 485 to 453 V/cm and a 7% increase in ablation size over the same temperature range. Similar results were found for pancreatic cancer cells which indicate that tissue temperature may be a significant factor affecting H-FIRE ablation size and treatment planning in vivo while lower temperatures may be useful in maintaining cell viability for transfection applications.
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Geboers B, Scheffer HJ, Graybill PM, Ruarus AH, Nieuwenhuizen S, Puijk RS, van den Tol PM, Davalos RV, Rubinsky B, de Gruijl TD, Miklavčič D, Meijerink MR. High-Voltage Electrical Pulses in Oncology: Irreversible Electroporation, Electrochemotherapy, Gene Electrotransfer, Electrofusion, and Electroimmunotherapy. Radiology 2020; 295:254-272. [PMID: 32208094 DOI: 10.1148/radiol.2020192190] [Citation(s) in RCA: 148] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This review summarizes the use of high-voltage electrical pulses (HVEPs) in clinical oncology to treat solid tumors with irreversible electroporation (IRE) and electrochemotherapy (ECT). HVEPs increase the membrane permeability of cells, a phenomenon known as electroporation. Unlike alternative ablative therapies, electroporation does not affect the structural integrity of surrounding tissue, thereby enabling tumors in the vicinity of vital structures to be treated. IRE uses HVEPs to cause cell death by inducing membrane disruption, and it is primarily used as a radical ablative therapy in the treatment of soft-tissue tumors in the liver, kidney, prostate, and pancreas. ECT uses HVEPs to transiently increase membrane permeability, enhancing cellular cytotoxic drug uptake in tumors. IRE and ECT show immunogenic effects that could be augmented when combined with immunomodulatory drugs, a combination therapy the authors term electroimmunotherapy. Additional electroporation-based technologies that may reach clinical importance, such as gene electrotransfer, electrofusion, and electroimmunotherapy, are concisely reviewed. HVEPs represent a substantial advancement in cancer research, and continued improvement and implementation of these presented technologies will require close collaboration between engineers, interventional radiologists, medical oncologists, and immuno-oncologists.
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Affiliation(s)
- Bart Geboers
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Hester J Scheffer
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Philip M Graybill
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Alette H Ruarus
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Sanne Nieuwenhuizen
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Robbert S Puijk
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Petrousjka M van den Tol
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Rafael V Davalos
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Boris Rubinsky
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Tanja D de Gruijl
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Damijan Miklavčič
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
| | - Martijn R Meijerink
- From the Departments of Radiology and Nuclear Medicine (B.G., H.J.S., A.H.R., S.N., R.S.P., M.R.M.), Surgery (P.M.v.d.T.), and Medical Oncology (T.D.d.G.), Amsterdam University Medical Centers, De Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands; Bioelectromechanical Systems Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech-Wake Forest University, Blacksburg, Va (P.M.G., R.V.D.); Department of Bioengineering and Department of Mechanical Engineering, University of California, Berkeley, Berkeley, Calif (B.R.); and Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia (D.M.)
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Frey GT, Padula CA, Stauffer JA, Toskich BB. Intraoperative Irreversible Electroporation in Locally Advanced Pancreatic Cancer: A Guide for the Interventional Radiologist. Semin Intervent Radiol 2019; 36:386-391. [PMID: 31798212 DOI: 10.1055/s-0039-1697640] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Efforts to improve mortality associated with locally advanced pancreatic cancer (LAPC) have shown minimal gains despite advances in surgical technique, systemic treatments, and radiation therapy. Locoregional therapy with ablation has not been routinely adopted due to the high risk of complications associated with thermal destruction of the pancreas. Irreversible electroporation (IRE) is an emerging, nonthermal, ablative technology that has demonstrated the ability to generate controlled ablation of LAPC while preserving pancreatic parenchymal integrity. IRE may be performed percutaneously or via laparotomy and will commonly involve multidisciplinary treatment teams. This article will describe the technical aspects of how multidisciplinary IRE is performed during laparotomy at a single tertiary care institution.
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Affiliation(s)
- Gregory T Frey
- Division of Interventional Radiology, Department of Radiology, Mayo Clinic, Jacksonville, Florida
| | - Carlos A Padula
- Division of Interventional Radiology, Department of Radiology, Mayo Clinic, Jacksonville, Florida
| | | | - Beau B Toskich
- Division of Interventional Radiology, Department of Radiology, Mayo Clinic, Jacksonville, Florida
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DeWitt MR, Latouche EL, Kaufman JD, Fesmire CC, Swet JH, Kirks RC, Baker EH, Vrochides D, Iannitti DA, McKillop IH, Davalos RV, Sano MB. Simplified Non-Thermal Tissue Ablation With a Single Insertion Device Enabled by Bipolar High-Frequency Pulses. IEEE Trans Biomed Eng 2019; 67:2043-2051. [PMID: 31751216 DOI: 10.1109/tbme.2019.2954122] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVE To demonstrate the feasibility of a single electrode and grounding pad approach for delivering high frequency irreversible electroporation treatments (H-FIRE) in in-vivo hepatic tissue. METHODS Ablations were created in porcine liver under surgical anesthesia by adminstereing high frequency bursts of 0.5-5.0 μs pulses with amplitudes between 1.1-1.7 kV in the absence of cardiac synchronization or intraoperative paralytics. Finite element simulations were used to determine the electric field strength associated with the ablation margins (ELethal) and predict the ablations feasible with next generation electronics. RESULTS All animals survived the procedures for the protocol duration without adverse events. ELethal of 2550, 1650, and 875 V/cm were found for treatments consisting of 100x bursts containing 0.5 μs pulses and 25, 50, and 75 μs of energized-time per burst, respectively. Treatments with 1 μs pulses consisting of 100 bursts with 100 μs energized-time per burst resulted in ELethal of 650 V/cm. CONCLUSION A single electrode and grounding pad approach was successfully used to create ablations in hepatic tissue. This technique has the potential to reduce challenges associated with placing multiple electrodes in anatomically challenging environments. SIGNIFICANCE H-FIRE is an in situ tumor ablation approach in which electrodes are placed within or around a targeted region to deliver high voltage electrical pulses. Electric fields generated around the electrodes induce irrecoverable cell membrane damage leading to predictable cell death in the relative absence of thermal damage. The sparing of architectural integrity means H-FIRE offers potential advantages compared to thermal ablation modalities for ablating tumors near critical structures.
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Hevert EAC, Howser CG, Gould ML, Brown DB. Ablative, Endovascular, and Biliary Interventions for Patients with Pancreatic Cancer. Semin Intervent Radiol 2019; 36:203-212. [PMID: 31435128 DOI: 10.1055/s-0039-1693118] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Interventional radiologists have multiple points of involvement in the treatment and management of patients with pancreatic adenocarcinoma. There is increasing interest in cytoreductive treatment of the primary tumor as well as metastatic disease via arterial and ablative techniques. The focus of this article is on the current evidence for pancreatic irreversible electroporation. For patients undergoing curative surgery or terminal palliation, interventional radiology can manage complications and symptoms. In this article, therapeutic and palliative options in this group of patients including postoperative embolization, biliary drainage, and stent placement are reviewed.
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Affiliation(s)
- Elizabeth Anne C Hevert
- Department of Radiology and Radiologic Sciences, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Collin G Howser
- Department of Radiology and Radiologic Sciences, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Michael L Gould
- Department of Radiology and Radiologic Sciences, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Daniel B Brown
- Department of Radiology and Radiologic Sciences, Vanderbilt University Medical Center, Nashville, Tennessee
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Tsilimigras DI, Moris D, Pawlik TM. ASO Author Reflections: Irreversible Electroporation for Locally Advanced Pancreatic Cancer. Ann Surg Oncol 2019; 26:610-611. [PMID: 31087182 DOI: 10.1245/s10434-019-07436-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Indexed: 11/18/2022]
Affiliation(s)
- Diamantis I Tsilimigras
- Department of Surgery, Ohio State Wexner Medical Center, Columbus, OH, USA.,First Department of Surgery, Laikon General Hospital, University of Athens Medical School, Athens, Greece
| | - Dimitrios Moris
- Department of Surgery, Ohio State Wexner Medical Center, Columbus, OH, USA.,Department of Surgery, Duke University Medical Center, Durham, NC, USA
| | - Timothy M Pawlik
- Department of Surgery, The Urban Meyer III and Shelley Meyer Chair for Cancer Research, The Ohio State University Wexner Medical Center, Columbus, OH, USA.
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