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https://www.readbyqxmd.com/read/28339377/stability-of-clindamycin-hydrochloride-in-pcca-base-suspendit
#1
Yashoda V Pramar, Richard A Graves, Grace A Ledet, Kelly V Phan, Levon A Bostanian, Tarun K Mandal
Clindamycin is an effective antibiotic in the treatment of infections caused by certain gram-positive and gram-negative anaerobic microorganisms. While manufactured forms of the drug for pediatric use are available, there are instances when a compounded liquid dosage form is essential to meet unique patient needs. The purpose of this study was to determine the chemical stability of clindamycin hydrochloride in the PCCA base SuspendIt, a sugar-free, paraben- free, dye-free, and gluten-free thixotropic vehicle containing a natural sweetener obtained from the monk fruit...
September 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28334762/missense-uros-mutations-causing-congenital-erythropoietic-porphyria-reduce-uros-homeostasis-that-can-be-rescued-by-proteasome-inhibition
#2
Jean-Marc Blouin, Ganeko Bernardo-Seisdedos, Emma Sasso, Julie Esteve, Cécile Ged, Magalie Lalanne, Arantza Sanz-Parra, Pedro Urquiza, Hubert de Verneuil, Oscar Millet, Emmanuel Richard
Congenital erythropoietic porphyria (CEP) is an inborn error of heme biosynthesis characterized by uroporphyrinogen III synthase (UROS) deficiency resulting in deleterious porphyrin accumulation in blood cells responsible for hemolytic anemia and cutaneous photosensitivity. We analyzed here the molecular basis of UROS impairment associated with twenty nine UROS missense mutations actually described in CEP patients. Using a computational and biophysical joint approach we predicted that most disease-causing mutations would affect UROS folding and stability...
February 21, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334269/integratedmrf-random-forest-based-framework-for-integrating-prediction-from-different-data-types
#3
Raziur Rahman, John Otridge, Ranadip Pal
Summary: IntegratedMRF is an open-source R implementation for integrating drug response predictions from various genomic characterizations using univariate or multivariate random forests that includes various options for error estimation techniques. The integrated framework was developed following superior performance of random forest based methods in NCI-DREAM drug sensitivity prediction challenge. The computational framework can be applied to estimate mean and confidence interval of drug response prediction errors based on ensemble approaches with various combinations of genetic and epigenetic characterizations as inputs...
February 6, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28333697/medication-reconciliation-during-hospitalization-and-in-hospital-home-interface-an-observational-retrospective-study
#4
Elisabetta Volpi, Alessandro Giannelli, Giulio Toccafondi, Monica Baroni, Sara Tonazzini, Stefania Alduini, Stefania Biagini, Rosa Gini, Tommaso Bellandi, Michele Emdin
OBJECTIVE: Medication errors are one of the leading causes of patient harms. Medication reconciliation is a fundamental process that to be effective, it should be embraced during each single care transition. Our objectives were to investigate current medication reconciliation practices in the 2 Fondazione Toscana Gabriele Monasterio hospitals and comprehensively assess the quality of medication reconciliation practices between inpatient and outpatient care by analyzing the medication patterns 6 months before admission, during hospitalization, and 9 months after discharge for a selected group of patients with cardiovascular diseases...
March 22, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28333365/clozapine-combined-with-different-antipsychotic-drugs-for-treatment-resistant-schizophrenia
#5
REVIEW
Sarah Barber, Uwaila Olotu, Martina Corsi, Andrea Cipriani
BACKGROUND: Between 40% and 70% of people with treatment-resistant schizophrenia do not respond to clozapine, despite adequate blood levels. For these people, a number of treatment strategies have emerged, including the prescription of a second anti-psychotic drug in combination with clozapine. OBJECTIVES: To determine the clinical effects of various clozapine combination strategies with antipsychotic drugs in people with treatment-resistant schizophrenia both in terms of efficacy and tolerability...
March 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28333189/fully-automated-disc-diffusion-for-rapid-antibiotic-susceptibility-test-results-a-proof-of-principle-study
#6
Michael Hombach, Marion Jetter, Nicolas Blöchliger, Natalia Kolesnik-Goldmann, Erik C Böttger
Background: Antibiotic resistance poses a significant threat to patients suffering from infectious diseases. Early readings of antibiotic susceptibility test (AST) results could be of critical importance to ensure adequate treatment. Disc diffusion is a well-standardized, established and cost-efficient AST procedure; however, its use in the clinical laboratory is hampered by the many manual steps involved, and an incubation time of 16-18 h, which is required to achieve reliable test results...
February 17, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28332851/empathy-and-facial-expression-recognition-in-children-with-and-without-attention-deficit-hyperactivity-disorder-effects-of-stimulant-medication-on-empathic-skills-in-children-with-attention-deficit-hyperactivity-disorder
#7
Funda Gumustas, Ibrahim Yilmaz, Yasemin Yulaf, Sebla Gokce, Osman Sabuncuoglu
OBJECTIVE: The aim of this study was to compare children and adolescents with attention-deficit/hyperactivity disorder (ADHD) to healthy children and adolescents in terms of state and trait empathy and emotion expression recognition skills. The goal was also to determine whether there are changes in emotion recognition and empathy measures in children with ADHD after methylphenidate (MPH) treatment. METHODS: The research sample consisted of outpatient drug-naive children and adolescents between the age of 8 and 14 years (n = 65) with ADHD according to the Diagnostic and Statistical Manual of Mental Disorders, 4th ed...
March 23, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28331293/risk-assessment-and-experimental-design-in-the-development-of-a-prolonged-release-drug-delivery-system-with-paliperidone
#8
Sonia Iurian, Luana Turdean, Ioan Tomuta
This study focuses on the development of a drug product based on a risk assessment-based approach, within the quality by design paradigm. A prolonged release system was proposed for paliperidone (Pal) delivery, containing Kollidon(®) SR as an insoluble matrix agent and hydroxypropyl cellulose, hydroxypropyl methylcellulose (HPMC), or sodium carboxymethyl cellulose as a hydrophilic polymer. The experimental part was preceded by the identification of potential sources of variability through Ishikawa diagrams, and failure mode and effects analysis was used to deliver the critical process parameters that were further optimized by design of experiments...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28330736/hyperspectral-imaging-using-near-infrared-spectroscopy-to-monitor-coat-thickness-uniformity-in-the-manufacture-of-a-transdermal-drug-delivery-system
#9
Naresh Pavurala, Xiaoming Xu, Yellela S R Krishnaiah
Hyperspectral imaging using near infrared spectroscopy (NIRS) integrates spectroscopy and conventional imaging to obtain both spectral and spatial information of materials. The non-invasive and rapid nature of hyperspectral imaging using NIRS makes it a valuable process analytical technology (PAT) tool for in-process monitoring and control of the manufacturing process for transdermal drug delivery systems (TDS). The focus of this investigation was to develop and validate the use of Near Infra-red (NIR) hyperspectral imaging to monitor coat thickness uniformity, a critical quality attribute (CQA) for TDS...
March 19, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28323515/a-nested-group-sequential-framework-for-regional-evaluation-in-global-drug-development-program
#10
William Wang, Zhiwei Jiang, Jingjun Qiu, Jielai Xia, Xiang Guo
The primary objective of a multiregional clinical trial (MRCT) is to assess the efficacy of all participating regions and evaluate the probability of applying the overall results to a specific region. The consistency assessment of the target region with the overall results is the most common way of evaluating the efficacy in a specific region. Recently, Huang et al. (2012) proposed an additional trial in the target region to an MRCT to evaluate the efficacy in the target ethnic (TE) population under the framework of simultaneous global drug development program (SGDDP)...
February 10, 2017: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/28319551/a-contemporary-medicolegal-analysis-of-implanted-devices-for-chronic-pain-management
#11
Christopher R Abrecht, Penny Greenberg, Ellen Song, Richard D Urman, James P Rathmell
BACKGROUND: Analysis of closed malpractice claims allows the study of rare but serious complications and likely results in improved patient safety by raising awareness of such complications. Clinical studies and closed claims analyses have previously reported on the common complications associated with intrathecal drug delivery systems (IDDS) and spinal cord stimulators (SCS). This study provides a contemporary analysis of claims from within the past 10 years. METHODS: We performed a closed claims analysis for a period January 1, 2009 to December 31, 2013 for cases with pain medicine as the primary service...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28317115/increased-lung-weights-in-drug-related-fatalities
#12
Heather I-Hsuan Chen, Joyce deJong
This study is of autopsy data for potential validation as to whether increased weights of the lungs support toxic effects of drugs as the cause of death. This retrospective study compared data from 133 deaths resulting from the toxic effects of drugs with previously reported normal lung weights (Toxicol Mech Methods, 22, 2012, 159; Am J Forensic Med Pathol 33, 2012, 368). The lung weights and their standard errors were used in a two-sample independent t-test comparing the average drug-related death weight to the average control weights...
March 20, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28314101/a-dielectrophoresis-system-for-testing-antimicrobial-susceptibility-of-gram-negative-bacteria-to-beta-lactam-antibiotics
#13
I-Hsiu Su, Wen-Chien Ko, Chung-Hsin Shih, Fang-Hao Yeh, Yung-Nien Sun, Jung-Chih Chen, Po-Lin Chen, Hsien-Chang Chang
Gram-negative bacteria (GNBs) are common pathogens causing severe sepsis. Rapid evaluation of drug susceptibility would guide effective antibiotic treatment, and promote life-saving. A total of 78 clinical isolates of 13 gram-negative species collected between April 2013 and November 2013 from two medical centers in Tainan were tested. Bacterial morphology changes in different concentrations of antibiotics were observed under the electric field of a quadruple electrode array using light microscopy. The minimal inhibitory concentrations (MICs) of four antimicrobial agents, namely cefazolin, ceftazidime, cefepime, and doripenem, were determined by the dielectrophoretic antimicrobial susceptibility testing (dAST) and by the conventional broth dilution testing (BDT)...
March 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28306610/30-day-potentially-avoidable-readmissions-due-to-adverse-drug-events
#14
Olivia Dalleur, Patrick E Beeler, Jeffrey L Schnipper, Jacques Donzé
OBJECTIVE: To analyze the patterns of potentially avoidable readmissions due to adverse drug events (ADEs) to identify the most appropriate risk reduction interventions. METHODS: In this observational study, we analyzed a random sample of 534 potentially avoidable 30-day readmissions from 10,275 consecutive discharges from the medical department of an academic hospital. Readmissions due to ADEs were reviewed to identify the causative drugs and the severity and interventions to prevent them...
March 17, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28306392/effect-of-syringe-design-on-the-accuracy-and-precision-of-intravitreal-injections-of-anti-vegf-agents
#15
Elad Moisseiev, Jolene Rudell, Eric V Tieu, Glenn Yiu
PURPOSE: To evaluate the accuracy and precision of different syringe designs for intravitreal injection of anti-VEGF agents. METHODS: Volume output was measured from three syringe designs-1) 1.0 mL tuberculin syringe, 2) 1.0 mL syringe with low dead space plunger, and 3) 0.5 mL low-volume syringe-to deliver 50 µL of bevacizumab, ranibizumab, or aflibercept, each repeated four times by three different physicians for 108 total simulated injections. Volume output was calculated from difference in syringe weight before and after expelling the drug...
March 17, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28303586/estimation-of-treatment-effect-in-two-stage-confirmatory-oncology-trials-of-personalized-medicines
#16
Wen Li, Cong Chen, Xiaoyun Li, Robert A Beckman
A personalized medicine may benefit a subpopulation with certain predictive biomarker signatures or certain disease types. However, there is great uncertainty about drug activity in a subpopulation when designing a confirmatory trial in practice, and it is logical to take a two-stage approach with the study unless credible external information is available for decision-making purpose. The first stage deselects (or prunes) non-performing subpopulations at an interim analysis, and the second stage pools the remaining subpopulations in the final analysis...
March 17, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28302018/harmony-search-as-a-powerful-tool-for-feature-selection-in-qspr-study-of-the-drugs-lipophilicity
#17
Behnoosh Bahadori, Morteza Atabati
Lipophilicity represents one of the most studied and most frequently used fundamental physicochemical properties. In the present work harmony search (HS) algorithm is suggested to feature selection in quantitative structure-property relationship (QSPR) modeling to predict lipophilicity of neutral, acidic, basic and amphotheric drugs that were determined by UHPLC. Harmony search is a music-based metaheuristic optimization algorithm. It was affected by the observation that the aim of music is to search for a perfect state of harmony...
March 15, 2017: Combinatorial Chemistry & High Throughput Screening
https://www.readbyqxmd.com/read/28294105/breath-acetone-as-a-potential-marker-in-clinical-practice
#18
Vera Ruzsanyi, Miklós Kalapos
In recent decades, two facts have changed the opinion of researchers about the function of acetone in humans. Firstly, it has turned out that acetone cannot be regarded as simply a waste product of metabolism, because there are several pathways in which acetone is produced or broken down. Secondly, methods have emerged making possible its detection in exhaled breath, thereby offering an attractive alternative to investigation of blood and urine samples. From a clinical point of view the measurement of breath acetone levels are important, but there are limitations to its wide application...
March 15, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28291085/respiratory-effects-of-the-nociceptin-orphanin-fq-peptide-and-opioid-receptor-agonist-cebranopadol-in-healthy-human-volunteers
#19
Albert Dahan, Merel Boom, Elise Sarton, Justin Hay, Geert Jan Groeneveld, Meike Neukirchen, John Bothmer, Leon Aarts, Erik Olofsen
BACKGROUND: Cebranopadol is a novel strong analgesic that coactivates the nociceptin/orphanin FQ receptor and classical opioid receptors. There are indications that activation of the nociceptin/orphanin FQ receptor is related to ceiling in respiratory depression. In this phase 1 clinical trial, we performed a pharmacokinetic-pharmacodynamic study to quantify cebranopadol's respiratory effects. METHODS: Twelve healthy male volunteers received 600 μg oral cebranopadol as a single dose...
April 2017: Anesthesiology
https://www.readbyqxmd.com/read/28288545/chronic-overexpression-of-angiotensin-1-7-in-rats-reduces-cardiac-reactivity-to-acute-stress-and-dampens-anxious-behavior
#20
Danielle Moura Santos, Fernanda Ribeiro Marins, Marcelo Limborço-Filho, Marilene Luzia de Oliveira, Daniele Hamamoto, Carlos Henrique Xavier, Fabrício Araújo Moreira, Robson Augusto Souza Santos, Maria José Campagnole-Santos, Marco Antonio Peliky Fontes
Angiotensin II (Ang II) acts as a pro-stress hormone, while other evidence indicates that angiotensin-(1-7) [Ang-(1-7)] attenuates physiological responses to emotional stress. To further test this hypothesis, in groups of 5-6 rats we evaluated autonomic, cardiovascular and behavioral parameters in male Sprague-Dawley (SD) and transgenic TGR(A1-7)3292 (TG) rats chronically overexpressing Ang-(1-7). Compared to SD rats, TG rats showed reduced baseline heart rate (HR; SD 380 ± 16 versus TG 329 ± 9 beats per minute (bpm), mean ± standard error of mean, p < ...
March 13, 2017: Stress: the International Journal on the Biology of Stress
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