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chemotherapy hyperthermia

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https://www.readbyqxmd.com/read/28525950/hydrophobic-drug-loaded-pegylated-magnetic-liposomes-for-drug-controlled-release
#1
Andri Hardiansyah, Ming-Chien Yang, Ting-Yu Liu, Chih-Yu Kuo, Li-Ying Huang, Tzu-Yi Chan
Less targeted and limited solubility of hydrophobic-based drug are one of the serious obstacles in drug delivery system. Thus, new strategies to enhance the solubility of hydrophobic drug and controlled release behaviors would be developed. Herein, curcumin, a model of hydrophobic drug, has been loaded into PEGylated magnetic liposomes as a drug carrier platform for drug controlled release system. Inductive magnetic heating (hyperthermia)-stimulated drug release, in vitro cellular cytotoxicity assay of curcumin-loaded PEGylated magnetic liposomes and cellular internalization-induced by magnetic guidance would be investigated...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28521752/synthesis-characterization-and-biological-verification-of-anti-her2-indocyanine-green-doxorubicin-loaded-polyethyleneimine-coated-perfluorocarbon-double-nanoemulsions-for-targeted-photochemotherapy-of-breast-cancer-cells
#2
Yu-Hsiang Lee, Yun-Ting Ma
BACKGROUND: Breast cancer is the most frequently diagnosed cancer and the leading cause of cancer death among females worldwide. Among various types of breast cancer, the human epidermal growth factor receptor 2 (HER2)-overexpressing breast cancer is known to be more aggressive and often resistant to medicinal treatment, leading to an insufficient prognosis and poor susceptibility to chemotherapy and/or hormonal therapy in the current clinic. These circumstances implicate that developing an improved therapeutic strategy rather than persistently changing the anticancer drugs for trying is truly needed to successfully cure this type of breast cancer...
May 18, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28513646/biocompatibility-and-therapeutic-evaluation-of-magnetic-liposomes-designed-for-self-controlled-cancer-hyperthermia-and-chemotherapy
#3
Manashjit Gogoi, Manish K Jaiswal, Haladhar Dev Sarma, Dhirendra Bahadur, Rinti Banerjee
Magnetic liposome-mediated combined chemotherapy and hyperthermia is gaining importance as an effective therapeutic modality for cancer. However, control and maintenance of optimum hyperthermia are major challenges in clinical settings due to the overheating of tissues. To overcome this problem, we developed a novel magnetic liposomes formulation co-entrapping a dextran coated biphasic suspension of La0.75Sr0.25MnO3 (LSMO) and iron oxide (Fe3O4) nanoparticles for self-controlled hyperthermia and chemotherapy...
May 17, 2017: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/28472102/injectable-plga-fe3o4-implants-carrying-cisplatin-for-synergistic-magnetic-hyperthermal-ablation-of-rabbit-vx2-tumor
#4
Yang Yang, Fengjuan Wang, Kaiyuan Zheng, Liming Deng, Lu Yang, Nan Zhang, Chunyan Xu, Haitao Ran, Zhaoxia Wang, Zhigang Wang, Yuanyi Zheng
Magnetic hyperthermia ablation has attracted wide attention in tumor therapy for its minimal invasion. Although the chemo-hyperthermal synergism has been proven to be effective in subcutaneously xenografted tumors of nude mice in our previous experiment, the occurrence of residual tumors due to incomplete ablation is more common in relatively larger and deeper-seated tumors in anti-tumor therapy. Thus, a larger tumor and larger animal model are needed for further study of the therapeutic efficacy. In this study, we tested the efficiency of this newly developed technique using a rabbit tumor model...
2017: PloS One
https://www.readbyqxmd.com/read/28450782/gold-nanorod-based-poly-lactic-co-glycolic-acid-with-manganese-dioxide-core-shell-structured-multifunctional-nanoplatform-for-cancer-theranostic-applications
#5
Lei Wang, Dong Li, Yongwei Hao, Mengya Niu, Yujie Hu, Hongjuan Zhao, Junbiao Chang, Zhenzhong Zhang, Yun Zhang
Recently, photothermal therapy has become a promising strategy in tumor treatment. However, the therapeutic effect was seriously hampered by the low tissue penetration of laser. Therefore, in this study, radiofrequency (RF) with better tissue penetration was used for tumor hyperthermia. First, one type of gold nanorods (AuNRs) suitable for RF hyperthermia was selected. Then, poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) loaded with AuNRs and docetaxel (DTX) (PLGA/AuNR/DTX) NPs were constructed. Finally, manganese dioxide (MnO2) ultrathin nanofilms were coated on the surfaces of PLGA/AuNR/DTX NPs by the reduction of KMnO4 to construct the PLGA/AuNR/DTX@MnO2 drug delivery system...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28449703/a-short-time-interval-between-radiotherapy-and-hyperthermia-reduces-in-field-recurrence-and-mortality-in-women-with-advanced-cervical-cancer
#6
Caspar M van Leeuwen, Arlene L Oei, Kenneth W T K Chin, Johannes Crezee, Arjan Bel, Anneke M Westermann, Marrije R Buist, Nicolaas A P Franken, Lukas J A Stalpers, H Petra Kok
BACKGROUND: Combined radiotherapy and hyperthermia is a well-established alternative to chemoradiotherapy for advanced stage cervical cancer patients with a contraindication for chemotherapy. Pre-clinical evidence suggests that the radiosensitizing effect of hyperthermia decreases substantially for time intervals between radiotherapy and hyperthermia as short as 1-2 h, but clinical evidence is limited. The purpose of this study is to determine the effect of the time interval between external beam radiotherapy (EBRT) and same-day hyperthermia on in-field recurrence rate, overall survival and late toxicity in women with advanced stage cervical cancer...
April 27, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28448900/dual-responsive-magnetic-composite-nanogels-for-thermo-chemotherapy
#7
S Indulekha, P Arunkumar, D Bahadur, R Srivastava
With the onset of hyperthermia and their advantage in increasing vascular perfusion and permeability in the cancer milieu, thermo-responsive polymers have become an attractive candidate for designing therapeutic nano-vehicles for targeted on-demand delivery of bioactive agents. For this purpose, we developed a dual (thermo- and pH-) responsive nanotherapeutic composite system rendering a combinational therapy of hyperthermia mediated drug delivery. This composite system comprises of magnetic chitosan-g-PNVCL (MCP) polymeric nanogels loaded with anticancer drug, Doxorubicin (DOX)...
April 19, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28429764/fabrication-characterization-and-biological-evaluation-of-anti-her2-indocyanine-green-doxorubicin-encapsulated-peg-b-plga-copolymeric-nanoparticles-for-targeted-photochemotherapy-of-breast-cancer-cells
#8
Yu-Hsiang Lee, Da-Sheng Chang
In this study, we aimed to develop anti-human epidermal growth factor receptor 2 (HER2) indocyanine green (ICG)-doxorubicin (DOX)-encapsulated polyethylene glycol-poly(lactic-co-glycolic acid) diblock copolymeric nanoparticles (HIDPPNPs) to explore the co-administration of phototherapy and chemotherapy for HER2-overexpressing breast cancer, a highly aggressive and medicine-resistant breast carcinoma. The HIDPPNPs were fabricated using a solvent evaporation technique followed by carbodiimide-mediated antibody conjugation on the nanoparticle surface...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28417560/treatment-of-tumor-in-lymph-nodes-using-near-infrared-laser-light-activated-thermosensitive-liposome-encapsulated-doxorubicin-and-gold-nanorods
#9
Daisuke Matsuki, Oladipo Adewale, Sachiko Horie, Junnosuke Okajima, Atsuki Komiya, Oluwatobi Oluwafemi, Shigenao Maruyama, Shiro Mori, Tetsuya Kodama
Tumor metastasis to lymph nodes is an important contributory factor for cancer-related deaths despite recent developments in cancer therapy. In this study, we demonstrate that tumor in the proper axillary lymph node (PALN) of the mouse can be treated by the application of external laser light to trigger the unloading of doxorubicin (DOX) encapsulated in thermosensitive liposomes (TSLs) administered together with gold nanorods (GNRs). GNRs + DOX-TSLs were injected into a mouse lymph node containing cancer cells (malignant fibrous histiocytoma-like cells) and intranodal DOX release was activated using near-infrared (NIR) laser irradiation...
April 18, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28415398/combinatorial-delivery-of-superparamagnetic-iron-oxide-nanoparticles-%C3%AE-fe2o3-and-doxorubicin-using-folate-conjugated-redox-sensitive-multiblock-polymeric-nanocarriers-for-enhancing-the-chemotherapeutic-efficacy-in-cancer-cells
#10
Chetan Nehate, M R Aji Alex, Arun Kumar, Veena Koul
Redox sensitive, folate conjugated multiblock polymeric system of (-PLGA-PEG-PLGA-urethane-ss-) demonstrated self-assembly into stable nanoplatforms. The polymeric nanocarriers were encapsulated with doxorubicin and highly crystalline γFe2O3 superparamagnetic iron oxide nanoparticles (SPIONs), for co-delivery of the same to cancer cells, with average particle size of ~170nm and zeta potential of ~-33mV. Furthermore, the designed formulation was evaluated for protein adsorption, hemo-cytocompatibility and stability...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28413682/multi-focal-hifu-reduces-cavitation-in-mild-hyperthermia
#11
Vandiver Chaplin, Charles F Caskey
BACKGROUND: Mild-hyperthermia therapy (40-45 °C) with high-intensity focused ultrasound (HIFU) is a technique being considered in a number of different treatments such as thermally activated drug delivery, immune-stimulation, and as a chemotherapy adjuvant. Mechanical damage and loss of cell viability associated with HIFU-induced acoustic cavitation may pose a risk during these treatments or may hinder their success. Here we present a method that achieves mild heating and reduces cavitation by using a multi-focused HIFU beam...
2017: Journal of Therapeutic Ultrasound
https://www.readbyqxmd.com/read/28405683/bladder-intracavitary-hyperthermic-perfusion-chemotherapy-for-the-prevention-of-recurrence-of-non-muscle-invasive-bladder-cancer-after-transurethral-resection
#12
Mingchen Ba, Shuzhong Cui, Bin Wang, Hui Long, Zhaofei Yan, Shuai Wang, Yinbing Wu, Yuanfeng Gong
Preventing the recurrence of non-muscle invasive bladder cancer (NMIBC) post-transurethral resection (TUR) remains challenging. The aim of the present study was to investigate the effectiveness and safety of bladder intracavitary hyperthermic perfusion chemotherapy (BHPC) for prevention of NMIBC recurrence post-TUR. Between December 2006 and December 2014, 53 patients with NMIBC who underwent TUR were randomly assigned to receive BHPC (BHPC group, 28 patients) or intravesical chemotherapy alone (chemotherapy group, 25 patients) at the Intracelom Hyperthermic Perfusion Therapy Center of Guangzhou Medical University Cancer Hospital (Guangzhou, China)...
May 2017: Oncology Reports
https://www.readbyqxmd.com/read/28396099/management-of-isolated-locoregional-recurrences%C3%A2-in-breast-cancer-a-review-of-local%C3%A2-and-systemic-modalities
#13
REVIEW
Tabassum Wadasadawala, Rohit Vadgaonkar, Jyoti Bajpai
Locoregional recurrence (LRR) after adequate treatment of primary breast cancer poses a therapeutic challenge. Advances in the management of breast cancer have led to significant improvements in survival. With this advantage, it is observed that the incidence of LRR has relatively decreased. Systemic involvement should be ruled out in patients presenting with locoregionally recurrent disease, as isolated LRR requires a treatment with curative intent. Salvage mastectomy following ipsilateral breast tumor recurrence is a time-tested treatment option and widely accepted...
March 21, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28383273/near-infrared-light-responsive-folate-targeted-gold-nanorods-for-combined-photothermal-chemotherapy-of-osteosarcoma
#14
Anna Li Volsi, Cinzia Scialabba, Valeria Vetri, Gennara Cavallaro, Mariano Licciardi, Gaetano Giammona
Folate-targeted gold nanorods (GNRs) are proposed as selective theranostic agents for osteosarcoma treatment. An amphiphilic polysaccharide based graft-copolymer (INU-LA-PEG-FA) and an amino derivative of the α,β-poly(N-2-hydroxyethyl)-d,l-aspartamide functionalized with folic acid (PHEA-EDA-FA), have been synthesized to act as coating agents for GNRs. The obtained polymer-coated GNRs were characterized in terms of size, shape, zeta potential, chemical composition, and aqueous stability. They protected the anticancer drug nutlin-3 and were able to deliver it efficiently in different physiological media...
April 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28342898/temperature-induces-significant-changes-in-both-glycolytic-reserve-and-mitochondrial-spare-respiratory-capacity-in-colorectal-cancer-cell-lines
#15
Mihail I Mitov, Jennifer W Harris, Michael C Alstott, Yekaterina Y Zaytseva, B Mark Evers, D Allan Butterfield
Thermotherapy, as a method of treating cancer, has recently attracted considerable attention from basic and clinical investigators. A number of studies and clinical trials have shown that thermotherapy can be successfully used as a therapeutic approach for various cancers. However, the effects of temperature on cancer bioenergetics have not been studied in detail with a real time, microplate based, label-free detection approach. This study investigates how changes in temperature affect the bioenergetics characteristics (mitochondrial function and glycolysis) of three colorectal cancer (CRC) cell lines utilizing the Seahorse XF96 technology...
March 22, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28331307/current-applications-and-future-prospects-of-nanomaterials-in-tumor-therapy
#16
REVIEW
Yu Huang, Chao-Qiang Fan, Hui Dong, Su-Min Wang, Xiao-Chao Yang, Shi-Ming Yang
Tumors are one of the most serious human diseases and cause numerous global deaths per year. In spite of many strategies applied in tumor therapy, such as radiation therapy, chemotherapy, surgery, and a combination of these treatments, tumors are still the foremost killer worldwide among human diseases, due to their specific limitations, such as multidrug resistance and side effects. Therefore, it is urgent and necessary to develop new strategies for tumor therapy. Recently, the fast development of nanoscience has paved the way for designing new strategies to treat tumors...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28324929/hyperthermia-by-electromagnetic-fields-to-enhanced-clinical-results-in-oncology
#17
Gerard C van Rhoon, Maarten M Paulides, Jeannette M L van Holthe, Martine Franckena
Confining treatment to the tumor to improve therapeutic outcome and reduce toxicity, is a hot issue in cancer research. Hyperthermia is recognized as a strong sensitizer for radiotherapy and chemotherapy enhancing tumor control without increasing toxicity. Today's electromagnetic hyperthermia systems heat large tissue volumes with limited ability to selectively heat the tumor. Fortunately, tremendous improvements in 3-dimensional electromagnetic & temperature modelling provide an exciting opportunity to design advanced multi-element electromagnetic applicator systems...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28254692/tri-stimuli-responsive-biodegradable-theranostics-for-mild-hyperthermia-enhanced-chemotherapy
#18
Nan Lu, Peng Huang, Wenpei Fan, Zhantong Wang, Yijing Liu, Sheng Wang, Guofeng Zhang, Junkai Hu, Wenfei Liu, Gang Niu, Richard D Leapman, Guangming Lu, Xiaoyuan Chen
The combination of hyperthermia and chemotherapy is able to greatly enhance the treatment efficacy mainly due to the synergistic interactions between these two treatments. In this study, we propose a new concept of mild hyperthermia enhanced chemotherapy to explore and validate the synergistic mechanism in vitro and in vivo. To do this, a novel kind of biodegradable nanotheranostics based on copper sulfide doped periodic mesoporous organosilica nanoparticles (CuS@PMOs) was constructed via an in situ growth method for light-triggered mild hyperthermia and drug delivery...
February 23, 2017: Biomaterials
https://www.readbyqxmd.com/read/28237713/poly-l-glutamic-acid-drug-delivery-system-for-the-intravesical-therapy-of-bladder-cancer-using-wga-as-targeting-moiety
#19
C Apfelthaler, M Anzengruber, F Gabor, M Wirth
In the management of bladder cancer, surgical resection of the tumour is usually followed by intravesical instillation of immunomodulatives and/or chemotherapeutics. The purpose of this local intravesical therapy is to eliminate residual malignant cells after surgical intervention. The main limitation of a localised adjuvant therapy is the insufficient concentration of the active pharmaceutical ingredient (API) in malignant cells due to the unique structure of the human urothelium making it an exclusively hard to overcome barrier in the human body...
February 22, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28226512/hyperthermia-by-electromagnetic-fields-to-enhanced-clinical-results-in-oncology
#20
Gerard C van Rhoon, Maarten M Paulides, Jeannette M L van Holthe, Martine Franckena, Gerard C van Rhoon, Maarten M Paulides, Jeannette M L van Holthe, Martine Franckena, Maarten M Paulides, Martine Franckena, Gerard C van Rhoon, Jeannette M L van Holthe
Confining treatment to the tumor to improve therapeutic outcome and reduce toxicity, is a hot issue in cancer research. Hyperthermia is recognized as a strong sensitizer for radiotherapy and chemotherapy enhancing tumor control without increasing toxicity. Today's electromagnetic hyperthermia systems heat large tissue volumes with limited ability to selectively heat the tumor. Fortunately, tremendous improvements in 3-dimensional electromagnetic & temperature modelling provide an exciting opportunity to design advanced multi-element electromagnetic applicator systems...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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