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hyperthermia treatment

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https://www.readbyqxmd.com/read/28819458/focused-ultrasound-hyperthermia-mediated-drug-delivery-using-thermosensitive-liposomes-and-visualized-with-in-vivo-two-photon-microscopy
#1
Marc A Santos, David E Goertz, Kullervo Hynynen
The future of nanomedicines in oncology requires leveraging more than just the passive drug accumulation in tumors through the enhanced permeability and retention effect. Promising results combining mild hyperthermia (HT) with lyso-thermosensitive liposomal doxorubicin (LTSL-DOX) has led to improved drug delivery and potent antitumor effects in pre-clinical studies. The ultimate patient benefit from these treatments can only be realized when robust methods of HT can be achieved clinically. One of the most promising methods of non-invasive HT is the use of focused ultrasound (FUS) with MRI thermometry for anatomical targeting and feedback...
2017: Theranostics
https://www.readbyqxmd.com/read/28815259/-safety-and-efficacy-of-ultrasound-hyperthermia-combined-with-chemotherapy-and-radical-operation-for-advanced-oral-squamous-cell-carcinoma
#2
Cui-Ling Shao, Qian-Wei Zhuang, Jian Meng, Wei Guo, Guo-Xin Ren
PURPOSE: To explore the safety and efficacy of ultrasound hyperthermia combined with chemotherapy and radical operation for advanced oral squamous cell carcinoma (OSCC). METHODS: Nine patients who had definite pathological diagnosis were enrolled in this clinical trail from 2015 to 2016. All patients underwent ultrasound hyperthermia combined with chemotherapy before radical operation. The treatment regime was as follows: Docetaxel and cisplatin (75mg/m(2)) used on the first day, fluorouracil (750 mg/m(2)) infused from 1st to 5th day...
April 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28812124/clozapine-chlorpromazine-and-risperidone-dose-dependently-reduce-emotional-hyperthermia-a-biological-marker-of-salience
#3
William W Blessing, Esther M Blessing, Mazher Mohammed, Youichirou Ootsuka
RATIONALE: We recently introduced a new rat model of emotional hyperthermia in which a salient stimulus activates brown adipose tissue (BAT) thermogenesis and tail artery constriction. Antipsychotic drugs, both classical and second generation, act to reduce excessive assignment of salience to objects and events in the external environment. The close association between salient occurrences and increases in body temperature suggests that antipsychotic drugs may also reduce emotional hyperthermia...
August 15, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28803939/bubble-generating-nano-lipid-carriers-for-ultrasound-ct-imaging-guided-efficient-tumor-therapy
#4
Nan Zhang, Jia Li, Ruirui Hou, Jiangnan Zhang, Pei Wang, Xinyang Liu, Zhenzhong Zhang
Ideal therapeutic effectiveness of chemotherapy is obtained only when tumor cells are exposed to a maximal drug concentration, which is often hindered by dose-limiting toxicity. We designed a bubble-generating liposomal delivery system by introducing ammonium bicarbonate and gold nanorods into folic acid-conjugated liposomes to allow both multimodal imaging and the local release of drug (doxorubicin) with hyperthermia. The key component, ammonium bicarbonate, allows a controlled, rapid release of doxorubicin to provide an effective drug concentration in the tumor microenvironment...
August 10, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28803938/organoids-as-preclinical-models-to-improve-intraperitoneal-chemotherapy-effectiveness-for-colorectal-cancer-patients-with-peritoneal-metastases-preclinical-models-to-improve-hipec
#5
P Roy, C Canet-Jourdan, M Annereau, O Zajac, M Gelli, S Broutin, L Mercier, A Paci, F Lemare, M Ducreux, D Elias, D Malka, V Boige, D Goéré, F Jaulin
BACKGROUND: Peritoneal metastases (PM), corresponding to tumor implants into the peritoneal cavity, are associated with impaired prognosis and low responsiveness to systemic chemotherapy. A new therapeutic approach has dramatically changed the prognosis of patients with PM from colorectal cancer (CRC), consisting in the association of a complete cytoreductive surgery followed by intraperitoneal chemotherapy associated to hyperthermia (HIPEC). Many drugs have been administered intraperitoneally, but no clear consensus has been approved...
August 10, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28803441/thermoregulation-disorders-of-central-origin-how-to-diagnose-and-treat
#6
Marta Zawadzka, Marta Szmuda, Maria Mazurkiewicz-Bełdzińska
Fever is a common symptom in the Intensive Care Unit. At least half of febrile episodes are caused by infection. Excluding infectious etiology and other non-infectious causes of fever, especially in patients with central nervous system (CNS) disorders, attention should be paid to disturbances of thermoregulatory centre. In particular, subarachnoid haemorrhage, cerebral trauma, along with ischaemic or haemorrhagic stroke are strongly associated with the development of central fever. Proper, speedy diagnosis of the cause of fever makes it possible to implement preventive measures against the harmful effects of hyperthermia on the CNS and to avoid the consequences of inappropriate treatment...
2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28792619/corticosterone-and-exogenous-glucose-alter-blood-glucose-levels-neurotoxicity-and-vascular-toxicity-produced-by-methamphetamine
#7
John F Bowyer, Karen M Tranter, Sumit Sarkar, Nysia I George, Joseph P Hanig, Kimberly A Kelly, Lindsay T Michalovicz, Diane B Miller, James P O'Callaghan
Our previous studies have raised the possibility that altered blood glucose levels may influence and/or be predictive of methamphetamine (METH) neurotoxicity. This study evaluated the effects of exogenous glucose and corticosterone (CORT) pretreatment alone or in combination with METH on blood glucose levels and the neural and vascular toxicity produced. METH exposure consisted of four sequential injections of 5, 7.5, 10, and 10 mg/kg (2h between injections) D-METH. The three groups given METH in combination with saline, glucose (METH+Glucose), or CORT (METH+CORT) had significantly higher glucose levels compared to the corresponding treatment groups without METH except at 3 h after the last injection...
August 9, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28789764/-treatment-of-hyperthermia
#8
Sofie Søndergaard Mørch, Johnny Dohn Holmgren Andersen, Morten Heiberg Bestle
Hyperthermia is an uncontrolled elevation of body temperature exceeding the body's ability to dissipate heat. Hyperthermia can result in dangerously high core temperatures and can rapidly become fatal. Common causes include heat stroke, malignant hyperthermia, serotonin syndrome, neuroleptic syndrome, a few endocrine emergencies as well as numerous intoxications. Rapid diagnosis and prompt cooling are pivotal, since the condition triggers a cascade of metabolic events which may progress to irreversible injury or death...
July 24, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28776131/pure-distraction-injury-of-t1-2-with-quad-fever
#9
Jun-Yeong Seo, Chae-Moon Lim, Young-Hoon Kim, Kee-Yong Ha
INTRODUCTION: We report a pure distraction injury of the upper thoracic spine and uncontrolled hyperthermia without an infectious cause. Quad fever appears in the first several weeks to months after a cervical or upper thoracic SCI and is characterized by an extreme elevation in body core temperature beyond 40 °C without an infectious cause. Discriminating between infectious and noninfectious causes is important, and a thorough clinical assessment is required. MATERIALS AND METHODS: A 52-year-old male visited the emergency room complaining of back pain with complete paralysis [American Spinal Injury Association (ASIA) A] of both lower extremities after a pedestrian-motor vehicle accident...
August 3, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28772541/surface-modification-and-heat-generation-of-fept-nanoparticles
#10
Da-Hua Wei, Ko-Ying Pan, Sheng-Kai Tong
The chemical reduction of ferric acetylacetonate (Fe(acac)₃) and platinum acetylacetonate (Pt(acac)₂) using the polyol solvent of phenyl ether as an agent as well as an effective surfactant has successfully yielded monodispersive FePt nanoparticles (NPs) with a hydrophobic ligand and a size of approximately 3.8 nm. The present FePt NPs synthesized using oleic acid and oleylamine as the stabilizers under identical conditions were achieved with a simple method. The surface modification of FePt NPs by using mercaptoacetic acid (thiol) as a phase transfer reagent through ligand exchange turned the NPs hydrophilic, and the FePt NPs were water-dispersible...
February 15, 2017: Materials
https://www.readbyqxmd.com/read/28767476/atypical-neuroleptic-malignant-syndrome-diagnosis-and-proposal-for-an-expanded-treatment-algorithm-a-case-report
#11
Nicole M Schreiner, Samuel Windham, Andrew Barker
Neuroleptic malignant syndrome (NMS) in the absence of an elevated creatine kinase is atypical and more difficult to diagnose. We present a patient with NMS significant risk factors who developed atypical NMS 6 days after a liver transplant. Symptoms of hyperthermia, altered mental status, dyskinesia, and autonomic instability (hypertension and tachycardia) coincided with promethazine administration, with rapid progression to fulminant NMS with lead pipe rigidity after a single injection of intramuscular ziprasidone...
August 1, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28764539/magnetic-induction-of-hyperthermia-by-a-modified-self-learning-fuzzy-temperature-controller
#12
Wei-Cheng Wang, Cheng-Chi Tai
The aim of this study involved developing a temperature controller for magnetic induction hyperthermia (MIH). A closed-loop controller was applied to track a reference model to guarantee a desired temperature response. The MIH system generated an alternating magnetic field to heat a high magnetic permeability material. This wireless induction heating had few side effects when it was extensively applied to cancer treatment. The effects of hyperthermia strongly depend on the precise control of temperature. However, during the treatment process, the control performance is degraded due to severe perturbations and parameter variations...
July 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28761146/how-gastrin-releasing-peptide-receptor-grpr-and-%C3%AE-v%C3%AE-3-integrin-expression-reflect-reorganization-features-of-tumors-after-hyperthermia-treatments
#13
Sandra Hallasch, Sindy Frick, Maximilian Jung, Ingrid Hilger
The outcome of tumor treatment via hyperthermia in the clinic has been reported to be heterogeneous. Here, we assessed how the presence of gastrin-releasing peptide receptor (GRPR) and αvβ3 integrin together with the morphology of the vascularization reflects the growth behavior of tumors after hyperthermia treatment. MDA-MB-231 tumor bearing mice were treated either with high (46 °C) or low dose (42 °C) water hyperthermia for 60 min. Changes of GRPR and αvβ3 integrin expression were assessed via multiplexed optical imaging...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28760449/tumor-microenvironment-determines-response-to-a-heat-activated-thermosensitive-liposome-formulation-of-cisplatin-in-cervical-carcinoma
#14
Yannan N Dou, Naz Chaudary, Martin C Chang, Michael Dunne, Huang Huang, David A Jaffray, Michael Milosevic, Christine Allen
Significant heterogeneity in the tumor microenvironment of human cervical cancer patients is known to challenge treatment outcomes in this population. The current standard of care for cervical cancer patients is radiation therapy and concurrent cisplatin (CDDP) chemotherapy. Yet this treatment strategy fails to control loco-regional disease in 10-30% of patients. In order to improve the loco-regional control rate, a thermosensitive liposome formulation of CDDP (HTLC) was developed to increase local concentrations of drug in response to mild hyperthermia (HT)...
July 29, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28754512/sustained-release-mitochondrial-protonophore-reverses-nonalcoholic-fatty-liver-disease-in-rats
#15
Guangfei Wei, Xu Song, Yao Fu, Tao Gong, Quan Zhang
As a mitochondrial uncoupler, 2,4-dinitrophenol (DNP) is proven therapeutically effective against nonalcoholic fatty liver disease (NAFLD) by uncoupling oxidation and phosphorylation. However, a major factor that impedes the clinical application of DNP is the significant side effects derived from its frequent hyperthermia and even death. In this study, we developed an injectable liquid crystal gel (DNP-LC-gel) to reduce the toxicity of DNP. DNP-LC-gel achieved sustained release and maintained DNP plasma concentration at an effective drug level...
July 25, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28752347/-prolonged-neuroleptic-malignant-syndrome-after-haloperidol-injection
#16
N Wystub, S Heymel, M Fritzenwanger, P C Schulze, R Pfeifer
Neuroleptic malignant syndrome (NMS) is a rare disorder caused by drug-induced dopamine-receptor-blockage or low dopamine concentration in the brain. It is a severe reaction to neuroleptic drugs in antipsychotic therapy. Symptoms in NMS typically consist of fever, muscle rigidity and cognitive changes; laboratory findings include elevated infectious disease markers and creatine kinase as well as signs of rhabdomyolysis. To differentiate NMS from other malignant hyperthermia syndromes identifying the offending drug and clinical history are essential...
July 27, 2017: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/28747080/external-validation-of-a-rectal-cancer-outcome-prediction-model-with-a-cohort-of-patients-treated-with-preoperative-radiochemotherapy-and-deep-regional-hyperthermia
#17
K Zwirner, P Bonomo, U Lamprecht, D Zips, C Gani
PURPOSE: To validate a nomogram for the prediction of treatment outcomes after preoperative radiochemotherapy and surgery for locally advanced rectal cancer with a cohort of patients treated with additional deep regional hyperthermia. PATIENTS AND METHODS: A total of 86 patients were treated with preoperative radiochemotherapy and deep regional hyperthermia at our institution. For every patient, the 5-year probability for death, distant metastases and local failure based on a previously published nomogram were calculated and patients were divided into three risk groups...
July 26, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28745084/patient-with-unresectable-cholangiocarcinoma-treated-with-radiofrequency-hyperthermia-in-combination-with-chemotherapy-a-case-report
#18
Juyoung Ryu, Kangwook Lee, Changmug Joe, JongCheon Joo, Namhun Lee, Hwa-Seung Yoo
Hyperthermia, which is a noninvasive treatment that causes tumor cells to become heated and that works in synergy with anticancer drugs and radiation therapy, is emerging as a promising treatment for patients with cancer. The purpose of this study is to report the efficacy of hyperthermia combined with chemotherapy (gemcitabine/cisplatin) for the treatment of a patient with unresectable cholangiocarcinoma. A 54-year-old man was diagnosed as hilar cholangiocarcinoma (Klatskin tumor) and was administered neoadjuvant and preoperative radiation with chemotherapy...
July 1, 2017: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28743235/magnetic-hyperthermia-enhance-the-treatment-efficacy-of-peri-implant-osteomyelitis
#19
Chih-Hsiang Fang, Pei-I Tsai, Shu-Wei Huang, Jui-Sheng Sun, Jenny Zwei-Chieng Chang, Hsin-Hsin Shen, San-Yuan Chen, Feng Huei Lin, Lih-Tao Hsu, Yen-Chun Chen
BACKGROUND: When bacteria colony persist within a biofilm, suitable drugs are not yet available for the eradication of biofilm-producing bacteria. The aim of this study is to study the effect of magnetic nano-particles-induced hyperthermia on destroying biofilm and promoting bactericidal effects of antibiotics in the treatment of osteomyelitis. METHODS: Sixty 12-weeks-old male Wistar rats were used. A metallic 18G needle was implanted into the bone marrow cavity of distal femur after the injection of Methicillin-sensitive Staphylococcus aureus (MSSA)...
July 25, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28741689/superparamagnetic-gold-nanoparticles-synthesized-on-protein-particle-scaffolds-for-cancer-theragnosis
#20
Koo Chul Kwon, Eunji Jo, Young-Wan Kwon, Boram Lee, Ju Hee Ryu, Eun Jung Lee, Kwangmeyung Kim, Jeewon Lee
Cancer theragnosis using a single multimodality agent is the next mainstay of modern cancer diagnosis, treatment, and management, but a clinically feasible agent with in vivo cancer targeting and theragnostic efficacy has not yet been developed. A new type of cancer theragnostic agent is reported, based on gold magnetism that is induced on a cancer-targeting protein particle carrier. Superparamagnetic gold-nanoparticle clusters (named SPAuNCs) are synthesized on a viral capsid particle that is engineered to present peptide ligands targeting a tumor cell receptor (TCR)...
July 25, 2017: Advanced Materials
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