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https://www.readbyqxmd.com/read/28424553/the-world-of-targeted-therapies-in-kidney-cancers-pitfalls-tips-and-tricks
#1
Alexis Vallard, Jane-Chloé Trone, Julien Langrand-Escure, Sophie Espenel, Jean-Baptiste Guy, Chloé Rancoule, Yaoxiong Xia, Anis El Meddeb Hamrouni, Majed Ben Mrad, Nicolas Magné
In the past few years, metastatic renal cell carcinoma prognosis was improved by the development of molecular targeted therapies (TTs). At the metastatic stage, the tolerance to treatment is a major concern, not only because of the challenge of the efficacy/toxicity ratio improvement but also because of the importance of an optimal adherence to oral treatments. The present case series relates the issues of dealing with uncommon and sometimes never described side effects of sunitinib and sorafenib. The first case report deals with grade 3 vomiting during hemodialysis with concurrent administration of sunitinib...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28408533/brachytherapy-with-intratumoral-injections-of-radiometal-labeled-polymers-that-thermo-responsively-self-aggregate-in-tumor-tissues
#2
Kohei Sano, Yuko Kanada, Kengo Kanazaki, Ning Ding, Masahiro Ono, Hideo Saji
Brachytherapy is a type of radiotherapy wherein titanium capsules containing therapeutic radioisotopes are implanted within tumor tissues, enabling high-dose radio-irradiation to tumor tissues around the seeds. Although marked therapeutic effects have been demonstrated, brachytherapy needs complicated implantation technique under general anesthesia and the seeds could migrate to other organs. The aim of this study is to establish a novel brachytherapy using biocompatible, injectable thermo-responsive polymers (polyoxazoline; POZ) labeled with yttrium-90 ((90)Y), which can self-aggregate above a specific transition temperature, resulting in long-term intratumoral retention of radioactivity and therapeutic effect...
April 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28405574/formulation-and-evaluation-of-transdermal-drug-delivery-of-topiramate
#3
Suneetha Cherukuri, Uma Rajeswari Batchu, Kiranmai Mandava, Vidhyullatha Cherukuri, Koteswara Rao Ganapuram
BACKGROUND: Transdermal drug delivery system (TDDS) was designed to sustain the release and improve the bioavailability of drug and patient compliance. Among the various types of transdermal patches, matrix dispersion type systems disperse the drug in the solvent along with the polymers and solvent is allowed to evaporate forming a homogeneous drug-polymer matrix. The objective of the present study was to design and formulate TDDS of topiramate (TPM) and to evaluate their extended release in vitro and ex vivo...
January 2017: International Journal of Pharmaceutical Investigation
https://www.readbyqxmd.com/read/28395446/-tryptophan-metabolism-in-patients-with-primary-immune-thrombocytopenia-with-high-dose-of-dexamethasone
#4
Z J Li, X Q Liu, J Q Xu, Y H Liu, L M Chen, X X Chu
Objective: To test whether the tryptophan metabolism was abnormal in newly diagnosed ITP patients as well as in these patients after treatment with dexamethasone. Methods: Newly diagnosed patients with ITP between Jan 2014 and May 2015 were enrolled, including 14 females and 11 males, with a median age of 57 years and a median PLT count of 16 (0-32) ×10(9)/L. All patients were treated with oral dexamethasone. The expression levels of IDO mRNA and TTS mRNA in peripheral blood mononuclear cells (PBMC) were analyzed by real-time quantitative polymerase chain reaction...
March 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28341457/thyroid-hormone-transport-across-l-type-amino-acid-transporters-what-can-molecular-modelling-tell-us
#5
Gerd Krause, Katrin Manuela Hinz
Thyroid hormones (THs) and their derivatives require transmembrane transporters (TTs) to mediate their translocation across the cell membrane. Among these TTs, the L-type amino acid transporters (LAT) not only transport amino acids (AAs) but also certain THs and their derivatives. This review summarizes available knowledge concerning structure function patterns of the TH transport by LAT1 and LAT2. For example, LAT2 imports 3,3'-T2 and T3, but not rT3 and T4. In contrast to amino acids, THs are not at all exported by LAT2...
March 21, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28304204/changes-in-contrast-transit-times-on-digital-subtraction-angiography-post-pipeline-embolization-device-deployment
#6
Ahmed E Hussein, Andreas Linninger, Sophia F Shakur, Fady T Charbel, Chih-Yang Hsu, Fady T Charbel, Ali Alaraj
It is postulated that hemodynamic changes occur in the distal vascular bed post-deployment of Pipeline Embolization Devices (PEDs). In this paper, we evaluate changes in the contrast transit times (TTs) on digital subtraction angiography (DSA) post-PED interventions. DSA films were analyzed using custom-made software for the time-density relationship at baseline and compared to post-PED deployment. All analyses were performed within the middle cerebral artery (MCA) M1 segment. Analyses included TT10%-100% (time needed for the contrast to change from 10% image intensity to 100%), TT100%-10%, and TT25%-25%...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28288388/increased-life-expectancy-as-a-result-of-non-hormonal-targeted-therapies-for-her2-or-hormone-receptor-positive-metastatic-breast-cancer-a-systematic-review-and-meta-analysis
#7
REVIEW
Rositsa G Koleva-Kolarova, Monika P Oktora, Annelies L Robijn, Marcel J W Greuter, Anna K L Reyners, Erik Buskens, Geertruida H de Bock
This article aimed to assess the clinical effectiveness of non-hormonal targeted therapies (TTs) in terms of increase of median progression-free survival (PFS) and overall survival (OS) in receptor-positive metastatic breast cancer (MBC) patients by performing a systematic review and meta-analysis. We systematically searched relevant randomized controlled trials and extracted data about number of patients on targeted and comparator therapy, receptor status, line of treatment, median PFS and OS, p values, hazard ratios (HRs) and 95% confidence intervals (CI)...
February 20, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28278174/exploring-the-performance-reserve-effect-of-different-magnitudes-of-power-output-deception-on-4-000-m-cycling-time-trial-performance
#8
Mark R Stone, Kevin Thomas, Michael Wilkinson, Emma Stevenson, Alan St Clair Gibson, Andrew M Jones, Kevin G Thompson
PURPOSE: The aim of the present study was to investigate whether a magnitude of deception of 5% in power output would lead to a greater reduction in the amount of time taken for participants to complete a 4000 m cycling TT than a magnitude of deception of 2% in power output, which we have previously shown can lead to a small change in 4000 m cycling TT performance. METHODS: Ten trained male cyclists completed four, 4000 m cycling TTs. The first served as a habituation and the second as a baseline for future trials...
2017: PloS One
https://www.readbyqxmd.com/read/28261782/neuroticism-depression-and-pain-perception-in-migraine-and-tension-type-headache
#9
S Ashina, L Bendtsen, D C Buse, A C Lyngberg, R B Lipton, R Jensen
OBJECTIVES: People with migraine and tension-type headache (TTH) have psychiatric comorbidities. We aimed to test differences in mental health constructs by type and frequency of primary headache and associated pain sensitivity. MATERIALS AND METHODS: Data on headache features, neuroticism (Eysenck Personality Questionnaire) and depression (Major Depression Inventory) were obtained from 547 individuals classified into chronic (≥15) or episodic (<15 headache days/month) and into pure migraine (n=43), pure tension type headache (TTH, n=97), migraine and TTH (n=83) and no headache diagnosis (controls, n=324) groups...
March 5, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28251402/dietary-nitrate-supplementation-enhances-short-but-not-longer-duration-running-time-trial-performance
#10
Oliver Michael Shannon, Matthew John Barlow, Lauren Duckworth, Emily Williams, Georgina Wort, David Woods, Mario Siervo, John Paul O'Hara
PURPOSE: This study evaluated the effects of dietary nitrate (NO3(-)) supplementation on physiological functioning and exercise performance in trained runners/triathletes conducting short and longer-distance treadmill running time-trials (TT). METHOD: Eight trained male runners or triathletes completed four exercise performance tests comprising a 10 min warm up followed by either a 1500 or 10,000 m treadmill TT. Exercise performance tests were preceded 3 h before the exercise by supplementation with either 140 ml concentrated nitrate-rich (~12...
April 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28242230/thermal-antinociception-following-oral-administration-of-tapentadol-in-conscious-cats
#11
Graeme M Doodnaught, Marina C Evangelista, Paulo V M Steagall
OBJECTIVE: To evaluate the onset, magnitude and duration of thermal antinociception after oral administration of two doses of tapentadol in cats. STUDY DESIGN: Prospective, randomized, blinded, experimental study. ANIMALS: Six healthy adult cats weighing 4.4 ± 0.4 kg. METHODS: Skin temperature (ST) and thermal threshold (TT) were evaluated using a wireless TT device up to 12 hours after treatment. Treatments included placebo (PBO, 50 mg dextrose anhydrase orally), buprenorphine (BUP, 0...
January 7, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28223939/no-influence-of-transcutaneous-electrical-nerve-stimulation-on-exercise-induced-pain-and-5-km-cycling-time-trial-performance
#12
Andrew W Hibbert, François Billaut, Matthew C Varley, Remco C J Polman
Introduction: Afferent information from exercising muscle contributes to the sensation of exercise-induced muscle pain. Transcutaneous electrical nerve stimulation (TENS) delivers low-voltage electrical currents to the skin, inhibiting nociceptive afferent information. The use of TENS in reducing perceptions of exercise-induced pain has not yet been fully explored. This study aimed to investigate the effect of TENS on exercise-induced muscle pain, pacing strategy, and performance during a 5-km cycling time trial (TT)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28208153/outcome-of-patients-with-renal-cell-carcinoma-and-multiple-glandular-metastases-treated-with-targeted-agents
#13
Paolo Grassi, Ludovic Doucet, Palma Giglione, Viktor Grünwald, Bohuslav Melichar, Luca Galli, Ugo De Giorgi, Roberto Sabbatini, Cinzia Ortega, Matteo Santoni, Aristotelis Bamias, Elena Verzoni, Lisa Derosa, Hana Studentova, Luca Porcu, Filippo De Braud, Camillo Porta, Giuseppe Procopio
PURPOSE: Pancreatic metastases (PM) from renal cell carcinoma (RCC) have been associated with long-term survival. The aim of this study was to evaluate the outcome of RCC patients with multiple glandular metastases (MGM) treated with targeted therapies (TTs). METHODS: Sixty-four MGM patients treated between 1993 and 2014 were retrospectively identified from a database of 274 RCC patients with PM from 11 European centers. The survival of MGM patients was compared with that of both patients with PM only and a cohort of 325 RCC patients with non-GM (control group) treated with TTs...
February 17, 2017: Oncology
https://www.readbyqxmd.com/read/28183256/current-and-emerging-treatments-for-metastatic-renal-cell-carcinoma
#14
Carla Cavaliere, Carmine D Aniello, Chiara Della Pepa, Salvatore Pisconti, Massimiliano Berretta, Gaetano Facchini
In the last decades the treatment of mRCC, metastatic Renal Cell Carcinoma, has become more and more complex due to the approval of a great number of effective systemic treatments that have significantly improved the prognosis of patients suffering from such disease. An increasing knowledge of the genetic aberrations and the molecular pathways alterations that underlie RCC, has promoted the development of several novel agents, known as target therapies (TTs). Even though TTs are not curative and all patients eventually progressed, an adequate sequencing of these drugs can provide a significant benefit in terms of PFS, Progression Free Survival, and hopefully OS, Overall Survival...
February 8, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28162089/transient-left-atrial-dysfunction-is-a-feature-of-takotsubo-syndrome
#15
Thomas Stiermaier, Tobias Graf, Christian Möller, Charlotte Eitel, Jakob Ledwoch, Steffen Desch, Matthias Gutberlet, Gerhard Schuler, Holger Thiele, Ingo Eitel
BACKGROUND: Takotsubo syndrome (TTS) is characterized by a transient left and/or right ventricular dysfunction as a consequence of a distinctive pattern of regional wall motion abnormalities. However, a systematic evaluation of the left atrial (LA) function in patients with TTS is lacking. The aim of the present study was therefore to comprehensively assess LA performance indexes and function in patients with TTS. METHODS: We compared LA function assessed by volumetric indexes derived from fractional volume changes in cardiovascular magnetic resonance (CMR) between 125 TTS patients and 125 patients with anterior ST-segment elevation myocardial infarction (STEMI)...
February 6, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28161536/enhancement-of-curcumin-wound-healing-ability-by-complexation-with-2-hydroxypropyl-%C3%AE-cyclodextrin-in-sacran-hydrogel-film
#16
Nasrul Wathoni, Keiichi Motoyama, Taishi Higashi, Maiko Okajima, Tatsuo Kaneko, Hidetoshi Arima
Curcumin is one of promising agents to accelerate the wound-healing process. However, the efficacy of curcumin is limited due to its poor water solubility and stability. To enhance the properties of curcumin, 2-hydroxypropyl-γ-cyclodextrin (HP-γ-CyD) can be used through complexation. Recently, we revealed that sacran has the potential to form a hydrogel film (HGF) as a wound dressing material. Therefore, in the present study, we investigated the wound healing ability of curcumin/HP-γ-CyD (Cur/HP-γ-CyD) complex in sacran-based HGF (Sac-HGF)...
February 2, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28160132/the-effects-of-surgically-implanted-dummy-tags-on-the-survival-growth-performance-and-physiology-of-pikeperch-sander-lucioperca
#17
Maciej Rożyński, Andrzej Kapusta, Krystyna Demska-Zakęś, Marek Hopko, Agnieszka Sikora, Zdzisław Zakęś
The aim of this work was to determine the impact of surgically implanted telemetry transmitters (TTs) on the growth, survival, hematological and biochemical indexes, and wound healing in juvenile pikeperch (Sander lucioperca) (body weight 60-90 g). Two incision suturing methods were used-silk sutures (experiment I-group ST) or tissue adhesive (experiment II-group GT). After tagging, the fish were held in a recirculating system for 35 days. No statistically significant differences were noted in the growth or condition indexes analyzed among the fish tagged with TT compared with those from the control groups (untagged)...
February 3, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28160084/neuromuscular-adaptations-to-sprint-interval-training-and-the-effect-of-mammalian-omega-3-fatty-acid-supplementation
#18
RANDOMIZED CONTROLLED TRIAL
Evan J H Lewis, Frédéric Stucky, Peter W Radonic, Adam H Metherel, Thomas M S Wolever, Greg D Wells
PURPOSE: Sprint interval training (SIT) stimulates rapid metabolic adaptations within skeletal muscle but the nature of neuromuscular adaptions is unknown. Omega-3 polyunsaturated fatty acids (N-3 PUFA) are suggested to enhance neuromuscular adaptations to exercise. METHODS: We measured the neuromuscular adaptations to SIT (Study-1) and conducted a placebo-controlled randomized double blinded study to determine the effect of N-3 PUFA supplementation on neuromuscular adaptations to SIT (Study-2)...
March 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28142178/impact-of-abdominal-follow-up-sonography-in-trauma-patients-without-abdominal-parenchymal-organ-lesion-or%C3%A2-free-intraabdominal-fluid-in-whole-body-computed-tomography
#19
COMPARATIVE STUDY
Emmanuel Schneck, Christian Koch, Mara Borgards, Martin Reichert, Andreas Hecker, Christian Heiß, Winfried Padberg, Enrique Alejandre-Lafont, Rainer Röhrig, Gabriele Anja Krombach, Markus Weigand, Michael Bernhard, Fritz Christian Roller
Purpose Patients suffering from severe blunt abdominal trauma are challenging because of their need for accurate diagnostic imaging and fast therapeutic action. Whole-body computed tomography (WBCT) is highly sensitive and represents the gold standard in the trauma room diagnostic setting. The aim of our study was to investigate the impact and therapy relevance of abdominal follow-up sonography (AFS) as part of the tertiary trauma survey (TTS) in patients without abdominal parenchymal organ lesions or free abdominal fluid in initial WBCT...
February 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28116696/endoscopic-management-of-esophageal-perforations-who-when-and-how
#20
REVIEW
Payal Saxena, Mouen A Khashab
Esophageal perforations can be spontaneous or iatrogenic. Although they are a rare occurrence, they are associated with a significant morbidity and mortality. Traditionally, management of esophageal perforation consisted of surgery. However, endoscopic management is now emerging as the primary treatment modality and is less invasive and morbid than surgery. Endoscopic modalities include through-the-scope clips (TTS), over-the-scope clips (OTSC), placement of covered stents, and suturing. Suturing can be used for primary closure of the perforation as well as anchoring of stents to prevent migration...
March 2017: Current Treatment Options in Gastroenterology
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