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Electrochemotherapy

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https://www.readbyqxmd.com/read/29408339/icos-activation-in-combination-with-electrochemotherapy-generates-effective-anti-cancer-immunological-responses-in-murine-models-of-primary-secondary-and-metastatic-disease
#1
Liam Friel Tremble, Morgan A O'Brien, Patrick F Forde, Declan M Soden
Electrochemotherapy is an evolving therapy which has recently been shown to induce an immunogenic form of cell death. It is hypothesized that the immunogenic cell death induced by electrochemotherapy may compliment the responses seen with anti-cancer immunotherapies. We therefore examined the effect of electrochemotherapy in combination with ICOS activation, which promotes the activity of previously activated T cells. In comparison to either monotherapy which resulted in no curative outcomes in any model, in a CT26 primary tumour 50% of mice were cured, with 100% of cured mice surviving tumour rechallenge...
February 3, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29402556/electrochemotherapy-as-treatment-option-for-hepatocellular-carcinoma-a-prospective-pilot-study
#2
Mihajlo Djokic, Maja Cemazar, Peter Popovic, Bor Kos, Rok Dezman, Masa Bosnjak, Martina Niksic Zakelj, Damijan Miklavcic, Stojan Potrc, Borut Stabuc, Ales Tomazic, Gregor Sersa, Blaz Trotovsek
BACKGROUND AND OBJECTIVES: Electrochemotherapy provides non-thermal ablation of cutaneous as well as deep seated tumors. Based on positive results of the treatment of colorectal liver metastases, we conducted a prospective pilot study on hepatocellular carcinomas with the aim of testing the feasibility, safety and effectiveness of electrochemotherapy. PATIENTS AND METHODS: Electrochemotherapy with bleomycin was performed on 17 hepatocellular carcinomas in 10 patients using a previously established protocol...
February 2, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29368221/successful-treatment-of-a-keratoacanthoma-with-electrochemotherapy-a-case-report
#3
Paola Pasquali, Enrico P Spugnini, Alfonso Baldi
INTRODUCTION: Few studies have evaluated the efficacy of intralesional bleomycin injection combined with electroporation for the treatment of cutaneous tumors. However, the phenomenon that electroporation can enhance the cytotoxicity of bleomycin in vivo by 300-700 fold has been intensely investigated. CASE PRESENTATION: Keratoacanthoma in an 86-year-old patient was treated with intralesional bleomycin combined with electroporation. Treatment consisted of local application of shorty and intense electric pulses followed by local injection of bleomycin...
January 24, 2018: Dermatology and Therapy
https://www.readbyqxmd.com/read/29333121/minimally-invasive-electrochemotherapy-procedure-for-treating-nasal-duct-tumors-in-dogs-using-a-single-needle-electrode
#4
Felipe Maglietti, Matías Tellado, Nahuel Olaiz, Sebastian Michinski, Guillermo Marshall
Background: Nasal cavity tumors are usually diagnosed late, when they already have infiltrated adjacent tissues thus requiring very aggressive treatments with serious side effects. Here we use electrochemotherapy (ECT), a well demonstrated treatment modality for superficial tumors. Materials and methods: In the case of deep-seated tumors, the main limitation of ECT is reaching the tumor with an appropriate electric field. To overcome this limitation we introduce the single needle electrode (SiNE), a minimally invasive device that can deliver an appropriate electric field with a simple procedure...
December 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/29290813/parametric-optimization-of-electric-field-strength-for-cancer-electrochemotherapy-on-a-chip-based-model
#5
Deyao Zhao, Mengxi Wu, Dong Huang, Zicai Liang, Zewen Wei, Zhihong Li
Electrochemotherapy (ECT), as one of the very few available treatments for cutaneous and subcutaneous tumors when surgery and radiotherapy are no longer available, requires applying a proper electric field to the tumor to realize electroporation-mediated cytotoxic drug delivery. It is impossible to exhaust all possible electrical parameters on patients to realize the optimal tradeoff between tumor suppression and adverse effects. To address this issue, this study provides a feasible solution by developing a four-leaf micro-electrode chip (F-MEC) in which the electric field was specially designed by linear distribution to cover all possible electric field strengths for ECT...
2018: Theranostics
https://www.readbyqxmd.com/read/29289825/in-vitro-electroporation-detection-methods-an-overview
#6
REVIEW
Tina Batista Napotnik, Damijan Miklavčič
Exposing cells to an electric field leads to electroporation of the cell membrane which has already been explored and used in a number of applications in medicine and food biotechnology (e.g. electrochemotherapy, gene electrotransfer, extraction of biomolecules). The extent of electroporation depends on several conditions, including pulse parameters, types of cells and tissues, surrounding media, temperature etc. Each application requires a specific level of electroporation, so it must be explored in advance by employing methods for detecting electroporation...
December 16, 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/29225870/prostate-cancer-infiltrating-the-bladder-sphincter-successfully-treated-with-electrochemotherapy-a-case-report
#7
Nina Klein, Enric Gunther, Stefan Zapf, Rachid El-Idrissi, Johannes Atta, Michael Stehling
We demonstrate feasibility and safety of Electrochemotherapy for treatment of a prostate cancer (PCa) with infiltration of the urethral sphincter. The patient remained continent and potent, toxicity was low, and 6 months of follow-up showed no cancer activity. We conclude that Electrochemotherapy should be further evaluated as treatment strategy for locally advanced PCa.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29178483/electrochemotherapy-of-unresectable-cutaneous-tumors%C3%A2-with-reduced-dosages-of-intravenous-bleomycin-analysis-of-57-patients-from-the-inspect-international-network-for-sharing-practices-of-electrochemotherapy-registry
#8
R Rotunno, L G Campana, P Quaglino, F de Terlizzi, C Kunte, J Odili, J Gehl, S Ribero, S H Liew, R Marconato, M Brizio, P Curatolo
BACKGROUND: Electrochemotherapy (ECT) is currently used to treat unresectable superficial tumors of different histotypes through the combination of cytotoxic chemotherapy and local application of electric pulses. In 2006, a collaborative project defined the ESOPE (European Standard Operating Procedures of Electrochemotherapy) guidelines to standardize the procedure. The International Network for Sharing Practices of Electrochemotherapy (InspECT) aims to to refine the ESOPE and improve clinical practice...
November 24, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29156298/european-research-on-electrochemotherapy-in-head-and-neck-cancer-eureca-project-results-from-the-treatment-of-mucosal-cancers
#9
Christina Caroline Plaschke, Giulia Bertino, James A McCaul, Juan J Grau, Remco de Bree, Gregor Sersa, Antonio Occhini, Ales Groselj, Cristobal Langdon, Derrek A Heuveling, Maja Cemazar, Primoz Strojan, C Rene Leemans, Marco Benazzo, Francesca De Terlizzi, Irene Wessel, Julie Gehl
AIM: Electrochemotherapy is an effective local treatment for cutaneous tumours and metastases. In this prospective trial, six European institutions investigated electrochemotherapy in recurrent, mucosal head and neck tumours. PATIENT AND METHODS: Forty-three patients with recurrent mucosal head and neck tumours and no further curative or reasonably effective palliative treatment options were enrolled and treated with electrochemotherapy. Patients were treated in general anaesthesia using intravenous or local injection of bleomycin followed by delivery of electric pulses to the tumour area...
November 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29145885/future-perspectives-in-melanoma-research-melanoma-bridge-napoli-november-30th-3rd-december-2016
#10
Paolo A Ascierto, Sanjiv S Agarwala, Gennaro Ciliberto, Sandra Demaria, Reinhard Dummer, Connie P M Duong, Soldano Ferrone, Silvia C Formenti, Claus Garbe, Ruth Halaban, Samir Khleif, Jason J Luke, Lluis M Mir, Willem W Overwijk, Michael Postow, Igor Puzanov, Paul Sondel, Janis M Taube, Per Thor Straten, David F Stroncek, Jennifer A Wargo, Hassane Zarour, Magdalena Thurin
Major advances have been made in the treatment of cancer with targeted therapy and immunotherapy; several FDA-approved agents with associated improvement of 1-year survival rates became available for stage IV melanoma patients. Before 2010, the 1-year survival were quite low, at 30%; in 2011, the rise to nearly 50% in the setting of treatment with Ipilimumab, and rise to 70% with BRAF inhibitor monotherapy in 2013 was observed. Even more impressive are 1-year survival rates considering combination strategies with both targeted therapy and immunotherapy, now exceeding 80%...
November 16, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29141562/a-review-of-electroporation-based-antitumor-skin-therapies-and-investigation-of-betulinic-acid-loaded-ointment
#11
Monika Bakonyi, Szilvia Berko, Gabor Eros, Gabor Varju, Cristina Dehelean, Maria Budai Szucs, Erzsebet Csanyi
BACKGROUND: Electrochemotherapy is a novel treatment for cutaneous and subcutaneous tumors utilizing the combination of electroporation and chemotherapeutic agents. Since tumors have an increasing incidence nowadays as a result of environmental and genetic factors, electrochemotherapy could be a promising treatment for cancer patients. OBJECTIVE: The aim of this article is to summarize the novel knowledge about the use of electroporation for antitumor treatments and to present a new application of electrochemotherapy with a well-known plant derived antitumor drug betulinic acid...
November 13, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29138199/electrosclerotherapy-for-capillary-malformations-study-protocol-for-a-randomised-within-patient-controlled-pilot-trial
#12
Sophie E R Horbach, Albert Wolkerstorfer, Daniel Martijn de Bruin, Chantal M A M van der Horst
INTRODUCTION: The current state-of-the-art treatment modality for hypertrophic capillary malformations (CMs), laser therapy, has a considerable rate of non-responders and recurrence. Intralesional bleomycin injections (or 'sclerotherapy') are commonly used to treat venous and lymphatic malformations with an excellent effect, but these intravascular injections are not possible in CMs due to the small diameter of the vessels. Electroporation-an electric field applied to the tissue-could increase the permeability of endothelial cells, which could theoretically facilitate targeted localised bleomycin delivery...
November 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/29130624/efficiency-of-electrochemotherapy-with-reduced-bleomycin-dose-in-the-treatment-of-nonmelanoma-head-and-neck-skin-cancer-preliminary-results
#13
Ales Groselj, Masa Bosnjak, Primoz Strojan, Mojca Krzan, Maja Cemazar, Gregor Sersa
BACKGROUND: In the present study, effectiveness of electrochemotherapy was compared in patients with nonmelanoma skin cancer (NMSC) of the head and neck using standard and reduced doses of bleomycin. METHODS: Twenty-eight patients older than 65 years were prospectively treated with electrochemotherapy for nonmelanoma head and neck skin cancer. In the experimental group (n = 12 patients; 24 lesions), reduced bleomycin doses (10 000 IU/m(2) ) were used. In the control group (n = 16 patients; 28 lesions), the standard bleomycin doses (15 000 IU/m(2) ) were used...
November 11, 2017: Head & Neck
https://www.readbyqxmd.com/read/29065589/the-electrode-modality-development-in-pulsed-electric-field-treatment-facilitates-biocellular-mechanism-study-and-improves-cancer-ablation-efficacy
#14
REVIEW
Chao Cen, Xinhua Chen
Pulsed electric field treatment is now widely used in diverse biological and medical applications: gene delivery, electrochemotherapy, and cancer therapy. This minimally invasive technique has several advantages over traditional ablation techniques, such as nonthermal elimination and blood vessel spare effect. Different electrodes are subsequently developed for a specific treatment purpose. Here, we provide a systematic review of electrode modality development in pulsed electric field treatment. For electrodes invented for experiment in vitro, sheet electrode and electrode cuvette, electrodes with high-speed fluorescence imaging system, electrodes with patch-clamp, and electrodes with confocal laser scanning microscopy are introduced...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29027689/oral-mucosa-model-for-electrochemotherapy-treatment-of-dog-mouth-cancer-ex-vivo-in-silico-and-in-vivo-experiments
#15
Daniela O H Suzuki, José A Berkenbrock, Marisa J S Frederico, Fátima R M B Silva, Marcelo M M Rangel
Electrochemotherapy (EQT) is a local cancer treatment well established to cutaneous and subcutaneous tumors. Electric fields are applied to biological tissue in order to improve membrane permeability for cytotoxic drugs. This phenomenon is called electroporation or electropermeabilization. Studies have reported that tissue conductivity is electric field dependent. Electroporation numerical models of biological tissues are essential in treatment planning. Tumors of the mouth are very common in dogs. Inadequate EQT treatment of oral tumor may be caused by significant anatomic variations between dogs and tumor position...
October 13, 2017: Artificial Organs
https://www.readbyqxmd.com/read/29025611/carbon-fiber-reinforced-intramedullary-nailing-in-musculoskeletal-tumor-surgery-a-national-multicentric-experience-of-the-italian-orthopaedic-society-siot-bone-metastasis-study-group
#16
Andrea Piccioli, Raimondo Piana, Michele Lisanti, Alberto Di Martino, Barbara Rossi, Francesco Camnasio, Marco Gatti, Pietro Maniscalco, Franco Gherlinzoni, Maria Silvia Spinelli, Davide Maria Donati, Roberto Biagini, Rodolfo Capanna, Vincenzo Denaro
INTRODUCTION: Carbon fiber reinforced (CFR) implants have been proposed for the treatment of fractures or impending fractures of the long bones in the oncology patient. Aim of this study is to present the largest cohort of oncology patients operated by CFR nailing by the Italian Orthopaedic Society (SIOT) Bone Metastasis Study Group. METHODS: 53 adult oncology patients were operated on with a CFR-PEEK nail. All the data from adjuvants therapies were collected. Bone callus formation, response to radiotherapy, relapse or progression of the osteolysis were recorded...
October 2017: Injury
https://www.readbyqxmd.com/read/29024870/comparable-effectiveness-and-immunomodulatory-actions-of-oxaliplatin-and-cisplatin-in-electrochemotherapy-of-murine-melanoma
#17
Katja Ursic, Spela Kos, Urska Kamensek, Maja Cemazar, Janez Scancar, Simon Bucek, Simona Kranjc, Barbara Staresinic, Gregor Sersa
Interest in platinum-based chemotherapeutics such as oxaliplatin (OXA) and cisplatin (CDDP) has been reinvigorated by their newly described impacts on tumor-specific immune responses. In addition to CDDP, OXA is frequently used to treat cancers. Based on the characteristics of OXA, which are similar to those of CDDP, and the presumably more pronounced immunomodulatory effect of OXA, OXA is a candidate for electrochemotherapy (ECT). We compared the effectiveness of intratumoral ECT with OXA to that of ECT with CDDP in murine B16F10 melanoma to determine the equieffective dose...
October 3, 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/28980041/physical-methods-for-drug-and-gene-delivery-through-the-cell-plasma-membrane
#18
Milda Jakutavičiūtė, Paulius Ruzgys, Mindaugas Tamošiūnas, Martynas Maciulevičius, Saulius Šatkauskas
The cell membrane represents a major barrier for efficient delivery of exogenous molecules, either pharmaceuticals or genetic material, under both in vitro and in vivo conditions. The number of methods employed to attempt safe, efficient, and local drug and gene delivery has increased during the recent years. One method for membrane permeabilization, electroporation, has already been translated to clinical practice for localized anticancer drug delivery and is termed "electrochemotherapy". Clinical trials for gene delivery using electroporation as well as drug delivery using another cell permeabilization method, sonoporation, are also underway...
2017: Advances in Anatomy, Embryology, and Cell Biology
https://www.readbyqxmd.com/read/28959168/electrochemotherapy-supplementary-treatment-for-loco-regional-metastasized-breast-carcinoma-administered-to-concomitant-systemic-therapy
#19
Eva-Maria Grischke, Carmen Röhm, Eva Stauß, Florin-Andrei Taran, Sara Y Brucker, Diethelm Wallwiener
BACKGROUND: Electrochemotherapy (ECT) is an established procedure for treating breast cancer loco-regional recurrences following surgical intervention and/or radiotherapy. Limited information is available on ECT application as a concomitant procedure to systemic therapy in recurrent breast cancer. The primary objective of this study was to determine if the application of ECT in close temporal relation to systemic chemotherapy could lead to increased local and/or systemic side effects...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28959166/in-vitro-and-in-vivo-evaluation-of-electrochemotherapy-with-trans-platinum-analogue-trans-ptcl2-3-hmpy-2
#20
Simona Kranjc, Maja Cemazar, Gregor Sersa, Janez Scancar, Sabina Grabner
BACKGROUND: Cisplatin is used in cancer therapy, but its side effects and acquired resistance to cisplatin have led to the synthesis and evaluation of new platinum compounds. Recently, the synthesized platinum compound trans-[PtCl2(3-Hmpy)2] (3-Hmpy = 3-hydroxymethylpyridine) (compound 2) showed a considerable cytotoxic and antitumour effectiveness. To improve compound 2 cytotoxicity in vitro and antitumour effectiveness in vivo, electroporation was used as drug delivery approach to increase membrane permeability (electrochemotherapy)...
September 2017: Radiology and Oncology
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