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https://www.readbyqxmd.com/read/29054038/epileptic-headache-a-rare-form-of-painful-seizure
#1
REVIEW
Carlo Cianchetti, Filippo Dainese, Maria Giuseppina Ledda, Giuliano Avanzini
PURPOSE: To describe the concept, features and mechanisms of epileptic headache (EH). METHODS: Analysis of all published articles concerning EH and related subjects. RESULTS: There are more than 30 published case studies of patients with headache as the only manifestation of a seizure, a condition that has been variously called "EH", "ictal epileptic headache", "hemicrania epileptica", "cephalic pain seizure". It is necessary to differentiate EH from "migralepsy" and "ictal non-epileptic headache"...
October 13, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29053938/development-of-a-nanogel-based-nasal-vaccine-as-a-novel-antigen-delivery-system
#2
Rika Nakahashi-Ouchida, Yoshikazu Yuki, Hiroshi Kiyono
Nasal vaccination is one of the most effective immunization methods because it can induce effective antigen-specific immune responses not only at the mucosal site of administration but also at distant mucosal surfaces, as well as in the systemic compartment. Based on this advantage, many nasal vaccines are being developed and some have been licensed and marketed for clinical use. However, some have been withdrawn because of unacceptable adverse events such as inactivated influenza vaccine administrated with a heat-labile enterotoxin of Escherichia coli as an adjuvant...
October 20, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/29053253/surface-plasmon-resonance-material-and-interface-design-for-universal-accessibility
#3
Samuel Stuart Hinman, Kristy S McKeating, Quan Cheng
The ability to monitor biomolecular reactions in a real-time and label free manner is nearly synonymous with the surface plasmon resonance (SPR) technique. At its basis, SPR relies on the interaction of an incoming light source with a thin metallic film in close contact with a prism or grating, which, under the correct experimental conditions, allows for the propagative oscillation of the conduction electrons at the surface of the metallic material. The oscillating, electromagnetic fields are extremely sensitive to small changes in the refractive index within the dielectric near the sensing interface, where various binding events and interactions can be detected...
October 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29053207/dpp-4-inhibitors-moderate-the-risk-of-genitourinary-tract-infections-associated-with-sglt2-inhibitors
#4
Gian Paolo Fadini, Benedetta Maria Bonora, Mayur Sarangdhar, Mauro Rigato, Angelo Avogaro
Genito-urinary tract infections (GUTI) are the most common adverse event (AE) during therapy with sodium-glucose cotransporter 2 inhibitors (SGLT2i). We evaluated whether dipeptidyl peptidase 4 inhibitors (DPP4i) moderate the risk of GUTI during therapy with SGLT2i, using two approaches. First, we screened the literature for randomized controlled trials (RCTs) directly comparing the frequency of GUTI in patients receiving a DPP4i/SGLT2i combination therapy versus those receiving a SGLT2i only. In the 5 trials we retrieved, the pooled RR for genital tract infections (GTI) in patients on a DPP4i/SGLT2i combination therapy versus those on SGLT2i alone was 0...
October 20, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29053169/whole-body-physiologically-based-modelling-of-beta-blockers-in-the-rat-events-in-tissues-and-plasma-following-an-intravenous-bolus-dose
#5
S Y A Cheung, T Rodgers, L Aarons, I Gueorguieva, G L Dickinson, S Murby, C Brown, B Collins, M Rowland
BACKGROUND AND PURPOSE: Whole body physiologically based pharmacokinetic (PBPK) models have been increasingly applied in drug development to describe kinetic events of therapeutic agents in animals and human. The advantage of such modelling is the ability to incorporate vast amounts of physiological information, such as organ blood flow and volume, to ensure that the model is as close to reality as possible. EXPERIMENTAL APPROACH: Prior PBPK model development of enantiomers of a series of seven racemic betablockers, namely acebutolol, betaxolol, bisoprolol, metoprolol, oxprenolol, pindolol and propranolol, together with S-timolol in rat was based on tissue and blood concentration data at steady state...
October 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29053049/a-bayesian-meta-analysis-method-for-estimating-risk-difference-of-rare-events
#6
Yuanyuan Tang, Qi Tang, Yao Yu, Shihua Wen
Bayesian meta-analysis has been more frequently utilized for synthesizing safety and efficacy information to support landmark decision-making due to its flexibility of incorporating prior information and availability of computing software. However, when the outcome is binary and the events are rare, where event counts can be zero, conventional meta-analysis methods including Bayesian methods may not work well. Several methods have been proposed to tackle this issue but the prior knowledge of event rate was not utilized to increase precision of risk difference estimates...
October 20, 2017: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/29052905/metabolic-changes-in-patients-with-prostate-cancer-during-androgen-deprivation-therapy
#7
REVIEW
Koji Mitsuzuka, Yoichi Arai
Androgen deprivation therapy continues to be widely used for the treatment of prostate cancer despite the appearance of new-generation androgen-receptor targeting drugs after 2000. Androgen deprivation therapy can alleviate symptoms in patients with metastatic prostate cancer and might have a survival benefit in some patients, but it causes undesirable changes in lipid, glucose, muscle or bone metabolism. These metabolic changes could lead to new onset or worsening of diseases, such as obesity, metabolic syndrome, diabetes mellitus, cardiovascular disease, sarcopenia or fracture...
October 20, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/29052226/translational-high-dimensional-drug-interaction-discovery-and-validation-using-health-record-databases-and-pharmacokinetics-models
#8
Chien-Wei Chiang, Pengyue Zhang, Xueying Wang, Lei Wang, Shijun Zhang, Xia Ning, Li Shen, Sara K Quinney, Lang Li
Polypharmacy increases the risk of drug-drug interactions (DDI's). Combining epidemiological studies with pharmacokinetic modeling, we detected and evaluated high-dimensional DDI's among thirty frequent drugs. Multi-drug combinations that increased risk of myopathy were identified in the FDA Adverse Event Reporting System (FAERS) and electronic medical record (EMR) databases by a mixture drug-count response model. CYP450 inhibition was estimated among the 30 drugs in the presence of 1 to 4 inhibitors using in vitro in vivo extrapolation...
October 20, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29051964/identification-of-quality-improvement-areas-in-pediatric-mri-from-analysis-of-patient-safety-reports
#9
Camilo Jaimes, Diana J Murcia, Karen Miguel, Cathryn DeFuria, Pallavi Sagar, Michael S Gee
BACKGROUND: Analysis of safety reports has been utilized to guide practice improvement efforts in adult magnetic resonance imaging (MRI). Data specific to pediatric MRI could help target areas of improvement in this population. OBJECTIVE: To estimate the incidence of safety reports in pediatric MRI and to determine associated risk factors. MATERIALS AND METHODS: In a retrospective HIPAA-compliant, institutional review board-approved study, a single-institution Radiology Information System was queried to identify MRI studies performed in pediatric patients (0-18 years old) from 1/1/2010 to 12/31/2015...
October 19, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29051480/nox4-functions-as-a-mitochondrial-energetic-sensor-coupling-cancer-metabolic-reprogramming-to-drug-resistance
#10
Karthigayan Shanmugasundaram, Bijaya K Nayak, William E Friedrichs, Dharam Kaushik, Ronald Rodriguez, Karen Block
The molecular mechanisms that couple glycolysis to cancer drug resistance remain unclear. Here we identify an ATP-binding motif within the NADPH oxidase isoform, NOX4, and show that ATP directly binds and negatively regulates NOX4 activity. We find that NOX4 localizes to the inner mitochondria membrane and that subcellular redistribution of ATP levels from the mitochondria act as an allosteric switch to activate NOX4. We provide evidence that NOX4-derived reactive oxygen species (ROS) inhibits P300/CBP-associated factor (PCAF)-dependent acetylation and lysosomal degradation of the pyruvate kinase-M2 isoform (PKM2)...
October 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/29051331/intravenous-zanamivir-in-hospitalized-patients-with-influenza
#11
John S Bradley, Jeffrey L Blumer, José R Romero, Marian G Michaels, Flor M Munoz, David W Kimberlin, Barbara Pahud, Roberta L DeBiasi, Go Yamamoto, Grace Roberts, Mohammad Hossain, Denise Shortino, Phillip J Yates, Bryan Adams, Amanda Peppercorn
BACKGROUND: Children with severe influenza infection may require parenteral therapy if oral or inhaled therapies are ineffective or cannot be administered. Results from a study investigating intravenous (IV) zanamivir for the treatment of hospitalized infants and children with influenza are presented. METHODS: This phase II, open-label, multicenter, single-arm study assessed the safety of investigational IV zanamivir in hospitalized children with influenza. Safety outcomes included treatment-emergent adverse events (TEAEs), clinical laboratory measurements, and vital signs...
October 19, 2017: Pediatrics
https://www.readbyqxmd.com/read/29051310/adverse-reactions-to-two-intravenous-antibiotics-augmentin-and-zinacef-used-for-surgical-prophylaxis-in-dogs
#12
Mark James Gosling, Fernando Martínez-Taboada
Antibiotic prophylaxis in dogs undergoing surgical procedures frequently involves the administration of a product without a veterinary licence. Two drugs commonly used for this purpose are the clavulanate amoxicillin Augmentin and the cefuroxime Zinacef. This prospective observational study aims to compare the incidence of adverse events associated with these two antibiotics in a clinical setting. The authors hypothesised that a higher incidence of adverse effects would be observed with Augmentin. Sixty-five dogs were included in the study and adverse events were recorded using a modified scoring system...
October 19, 2017: Veterinary Record
https://www.readbyqxmd.com/read/29051147/organic-anion-transporting-polypeptides-oatps-mediated-drug-drug-interaction-study-between-rosuvastatin-and-cyclosporine-a-in-chimeric-mice-with-humanized-liver
#13
Masashi Uchida, Yoriko Tajima, Masakazu Kakuni, Yutaka Kageyama, Taro Okada, Eri Sakudara, Chise Tateno, Ryoji Hayashi
The influence of transporters on the pharmacokinetics of drugs is being increasingly recognized, and DDIs via transporters may be a risk factor for adverse events. Cyclosporine A, a strong OATP-inhibitor, has been reported to increase the systemic exposure of rosuvastatin, an OATP-substrate, by 7.1-fold in clinical studies. PXB-mice are chimeric mice with humanized livers that are highly repopulated with human hepatocytes, and have been widely used for drug discovery in DMPK studies. In the present study, we examined in vivo and in vitro DDIs between rosuvastatin and cyclosporine A in PXB-mice and fresh human hepatocytes (PXB-cells) obtained from PXB-mice...
October 19, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/29050397/the-antimyotonic-effect-of-lamotrigine-in-non-dystrophic-myotonias-a-double-blind-randomized-study
#14
Grete Andersen, Gitte Hedermann, Nanna Witting, Morten Duno, Henning Andersen, John Vissing
Mexiletine is the only drug with proven effect for treatment of non-dystrophic myotonia, but mexiletine is expensive, has limited availability and several side effects. There is therefore a need to identify other pharmacological compounds that can alleviate myotonia in non-dystrophic myotonias. Like mexiletine, lamotrigine is a sodium channel blocker, but unlike mexiletine, lamotrigine is available, inexpensive, and well tolerated. We investigated the potential of using lamotrigine for treatment of myotonia in patients with non-dystrophic myotonias...
September 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29050354/phase-i-study-of-nivolumab-combined-with-ifn-%C3%AE-for-patients-with-advanced-melanoma
#15
Taku Fujimura, Takanori Hidaka, Yumi Kambayashi, Sadanori Furudate, Aya Kakizaki, Hisayuki Tono, Akira Tsukada, Takahiro Haga, Akira Hashimoto, Ryo Morimoto, Takuhiro Yamaguchi, Tadao Takano, Setsuya Aiba
The efficacy of nivolumab is greater than that of other anti-melanoma drugs, so nivolumab-based combined therapies that enhance anti-tumor immune responses in patients with metastatic melanoma are of great interest to dermato-oncologists. As we have previously reported, IFN-β enhances the anti-tumor immune response of anti-PD-1 antibodies against B16F10 melanoma in vivo. To explore the potential of this property of IFN-β as part of a combination therapy for the treatment of metastatic melanoma patients, we performed a phase 1 trial, using a traditional rule-based 3 + 3 design, on patients with advanced melanoma...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050316/pharmacokinetics-and-drug-drug-interaction-between-enalapril-enalaprilat-and-felodipine-extended-release-er-in-healthy-subjects
#16
Dai Li, Sumei Xu, Yulu Wang, Dan Li, Xiaomin Li, Jing Pan, Pingsheng Xu
Since angiotensin-converting enzyme (ACE) inhibitors and calcium antagonists have complimentary mechanisms of action, enalapril, an ACE inhibitor, is used in combination with felodipine, a vascular selective dihydropyridine calcium antagonist, for the treatment of hypertension. The present study was designed to investigate the possible drug-drug interaction between these two agents in Chinese healthy subjects. A randomized, open-label, multiple-dose, 3-treatment, 3-period, 6-sequence cross-over study enrolling 12 healthy subjects (six male and six female subjects) was performed...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049615/current-trends-in-management-of-submental-liposis-a-pooled-analysis-and-survey
#17
Sagar Patel, Russell Kridel
Importance: Since its approval by the US Food and Drug Administration for treatment of moderate to severe submental liposis in April 2015, deoxycholic acid (Kybella) has received significant media attention as a novel aesthetic treatment. Four phase 3 clinical trials have published data demonstrating the safety and efficacy of the drug compared with placebo; however, no study has juxtaposed the product with submental liposuction. Objective: To evaluate the efficacy of injectable deoxycholic acid in the treatment of isolated submental liposis...
October 19, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/29049540/feasibility-process-and-outcomes-of-cardiovascular-clinical-trial-data-sharing-a-reproduction-analysis-of-the-smart-af-trial
#18
Hawkins C Gay, Abigail S Baldridge, Mark D Huffman
Importance: Data sharing is as an expanding initiative for enhancing trust in the clinical research enterprise. Objective: To evaluate the feasibility, process, and outcomes of a reproduction analysis of the THERMOCOOL SMARTTOUCH Catheter for the Treatment of Symptomatic Paroxysmal Atrial Fibrillation (SMART-AF) trial using shared clinical trial data. Design, Setting, and Participants: A reproduction analysis of the SMART-AF trial was performed using the data sets, data dictionary, case report file, and statistical analysis plan from the original trial accessed through the Yale Open Data Access Project using the SAS Clinical Trials Data Transparency platform...
October 18, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/29049469/the-effectiveness-of-injectable-extended-release-naltrexone-vs-daily-buprenorphine-naloxone-for-opioid-dependence-a-randomized-clinical-noninferiority-trial
#19
Lars Tanum, Kristin Klemmetsby Solli, Zill-E-Huma Latif, Jurate Šaltyte Benth, Arild Opheim, Kamni Sharma-Haase, Peter Krajci, Nikolaj Kunøe
Importance: To date, extended-release naltrexone hydrochloride has not previously been compared directly with opioid medication treatment (OMT), currently the most commonly prescribed treatment for opioid dependence. Objective: To determine whether treatment with extended-release naltrexone will be as effective as daily buprenorphine hydrochloride with naloxone hydrochloride in maintaining abstinence from heroin and other illicit substances in newly detoxified individuals...
October 18, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/29049467/updated-cost-effectiveness-assessments-of-pcsk9-inhibitors-from-the-perspectives-of-the-health-system-and-private-payers-insights-derived-from-the-fourier-trial
#20
Alejandro Arrieta, Jonathan C Hong, Rohan Khera, Salim S Virani, Harlan M Krumholz, Khurram Nasir
Importance: Preliminary cost-effectiveness analyses of proprotein convertase subtilisin/kexin type 9 inhibitor (PCSK9i) were based on benefits estimated from reductions in low-density lipoprotein cholesterol that occurred in PCSK9i trials with variable results. The recent Further Cardiovascular Outcomes Research with PCSK9 Inhibition in Subjects with Elevated Risk (FOURIER) trial provides better information about the effectiveness of the drug. Objective: To use the trial results to determine the cost-effectiveness of a PCSK9i and statin treatment strategy compared with a statin alone strategy...
October 18, 2017: JAMA Cardiology
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