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https://www.readbyqxmd.com/read/28110281/incidence-risk-factors-and-risk-prediction-of-hospital-acquired-suspected-adverse-drug-reactions-a-prospective-cohort-of-ugandan-inpatients
#1
Ronald Kiguba, Charles Karamagi, Sheila M Bird
OBJECTIVES: To determine the incidence and risk factors of hospital-acquired suspected adverse drug reactions (ADRs) among Ugandan inpatients. We also constructed risk scores to predict and qualitatively assess for peculiarities between low-risk and high-risk ADR patients. METHODS: Prospective cohort of consented adults admitted on medical and gynaecological wards of the 1790-bed Mulago National Referral Hospital. Hospital-acquired suspected ADRs were dichotomised as possible (possible/probable/definite) or not and probable (probable/definite) or not, using the Naranjo scale...
January 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28110182/a-large-taper-mismatch-is-one-of-the-key-factors-behind-high-wear-rates-and-failure-at-the-taper-junction-of-total-hip-replacements-a-finite-element-wear-analysis
#2
Ariyan Ashkanfar, David J Langton, Thomas J Joyce
Total hip replacement (THR) is one of the most successful orthopaedic surgeries; however, failures can occur due to adverse reactions to wear debris. Recently, a large number of failures linked to the release of metal particles from the taper junction between femoral head and femoral stem have been reported. One possible reason for this may be design variations such as taper mismatches associated with the taper and trunnion angles. Could a large taper mismatch lead to inappropriate contact mechanics and increase relative micromotion and thus wear? In this study, 3D finite element (FE) models of a commercial THR from a perfectly matched interface to large taper mismatches and a wear algorithm were used to investigate the extent of wear that could occur at this junction and identify the optimum tolerances in order to reduce the wear...
January 12, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28110058/threshold-dose-distribution-in-walnut-allergy
#3
Mark A Blankestijn, Ben C Remington, Geert F Houben, Joe L Baumert, André C Knulst, W Marty Blom, Rob J B Klemans, Steve L Taylor
BACKGROUND: In food allergy, eliciting doses (EDs) of foods on a population level can improve risk management and labeling strategies for the food industry and regulatory authorities. Previously, data available for walnut were unsuitable to determine EDs. OBJECTIVE: The objective of this study was to determine EDs for walnut allergic adults and to compare with previously established threshold data for peanut and tree nuts. METHODS: Prospectively, adult subjects with a suspected walnut allergy underwent a low-dose double-blind, placebo-controlled food challenge...
January 18, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28110055/adverse-and-hypersensitivity-reactions-to-prescription-nonsteroidal-anti-inflammatory-agents-in-a-large-health-care-system
#4
Kimberly G Blumenthal, Kenneth H Lai, Mingshu Huang, Zachary S Wallace, Paige G Wickner, Li Zhou
BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDs) are among the most frequently used medications in the United States. NSAID use can be limited by adverse drug reactions (ADRs), including hypersensitivity reactions (HSRs). OBJECTIVE: We aimed to use electronic health record data to determine the incidence and predictors of HSRs to prescription NSAIDs. METHODS: We performed a retrospective cohort study of all adult outpatients in a large health care system prescribed diclofenac, indomethacin, nabumetone, or piroxicam between January 1, 2004, and September 30, 2012...
January 18, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28109818/identification-of-a-compound-isolated-from-german-chamomile-matricaria-chamomilla-with-dermal-sensitization-potential
#5
Cristina Avonto, Diego Rua, Pradeep B Lasonkar, Amar G Chittiboyina, Ikhlas A Khan
German chamomile is one of the most popular herbal ingredients used in cosmetics and personal care products. Allergic skin reactions following topical application of German chamomile have been occasionally reported, although it is not fully understood which of the chemical constituents is responsible for this adverse effect. In the present work, three candidate sensitizers were isolated from German chamomile based on activity-guided fractionation of chamomile extracts tested using the in vitro KeratinoSens™ assay...
January 18, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28109798/adverse-events-associated-with-surgical-antibiotic-prophylaxis-for-outpatient-circumcisions-at-us-children-s-hospitals
#6
Katherine H Chan, Benjamin M Whittam, Elizabeth A S Moser, Mark P Cain, William E Bennett
INTRODUCTION: Doctors often use surgical antibiotic prophylaxis (SAP) despite limited evidence to support its efficacy. We sought to determine the association between SAP in children undergoing circumcision and the rate of perioperative adverse events. MATERIAL AND METHODS: We performed a retrospective study of males >30 days old and <18 years old who underwent circumcision from 2004 to 2014 using the Pediatric Health Information System database. We excluded inpatients and those with any concomitant procedures...
November 22, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28109093/-clinical-efficacy-and-safety-of-controlled-release-dinoprostone-insert-a-multicenter-retrospective-study
#7
Xue-Yuan Li, Yue-Wen Guo, Yan-Wen Xu, Bin Zhu, Xue-Xue Wu, Xiang Chen, Xiao-Yi Wang, Dun-Jin Chen, Hui Chen, Jian-Ping Zhang, Zhi-Jian Wang, Sheng-Li An
OBJECTIVE: To analyze the effectiveness and safety of controlled-release dinoprostone insert for term labor induction in the Pearl River Delta of Guangdong province. METHODS: Twenty hospitals using controlled-release dinoprostone insert for term labor induction in the Pearl River Delta of Guangdong province were stratified into provincial hospitals and municipal hospitals, and three hospitals of each level were selected as research units. According to the inclusion and exclusion criteria, 1390 pregnant women receiving term labor induction using controlled-release dinoprostone insert were retrospectively analyzed to evaluate the the effectiveness and safety with another 957 pregnant women with induced abortion using oxytocin as the control group...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28108481/clinically-insignificant-trunnionosis-in-large-diameter-metal-on-polyethylene-total-hip-arthroplasty
#8
H S Hothi, D Kendoff, C Lausmann, J Henckel, T Gehrke, J Skinner, A Hart
OBJECTIVES: Mechanical wear and corrosion at the head-stem junction of total hip arthroplasties (THAs) (trunnionosis) have been implicated in their early revision, most commonly in metal-on-metal (MOM) hips. We can isolate the role of the head-stem junction as the predominant source of metal release by investigating non-MOM hips; this can help to identify clinically significant volumes of material loss and corrosion from these surfaces. METHODS: In this study we examined a series of 94 retrieved metal-on-polyethylene (MOP) hips for evidence of corrosion and material loss at the taper junction using a well published visual grading method and an established roundness-measuring machine protocol...
January 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28107773/safety-and-effectiveness-of-tofogliflozin-in-elderly-japanese-patients-with-type-2-diabetes-mellitus-a-post-marketing-study-j-step-el-study
#9
Kazunori Utsunomiya, Naoki Shimmoto, Masayuki Senda, Yuji Kurihara, Ryoji Gunji, Shoko Fujii, Seigo Kakiuchi, Hisataka Fujiwara, Hiroyuki Kameda, Masahiro Tamura, Kohei Kaku
AIMS/INTRODUCTION: While sodium glucose cotransporter 2 inhibitors are a promising treatment for type 2 diabetes mellitus, they are associated with concerns about specific adverse drug reactions. We conducted a 1-year post-marketing study of tofogliflozin, a novel agent in this class, in Japanese elderly patients with type 2 diabetes mellitus. MATERIALS AND METHODS: This was a prospective, observational, and multicenter post-marketing study conducted in the context of routine clinical practice...
January 20, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28107619/peptide-based-stealth-nanoparticles-for-targeted-and-ph-triggered-delivery
#10
Alessandro Ranalli, Melissa Santi, Luigi Capriotti, Valerio Voliani, David Porciani, Fabio Beltram, Giovanni Signore
Stealth agents are extensively investigated as means to prolong nanostructures residence time in the bloodstream by avoiding uptake by the reticuloendothelial system. Unfortunately, commonly used agents such as poly(ethylene glycol) can adversely impact on targeting efficiency and promote immune reaction by the host organism. Therefore, there is an increasing interest in developing biocompatible, non-PEGylated organic nanostructures able to perform targeted delivery, to increase the efficacy of liposomal technology...
January 20, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28107559/a-randomized-double-blind-placebo-controlled-dose-escalation-first-in-man-study-phase-0-to-assess-the-safety-and-efficacy-of-topical-cytosolic-phospholipase-a2-inhibitor-avx001-in-patients-with-mild-to-moderate-plaque-psoriasis
#11
S H Omland, A Habicht, P Damsbo, J Wilms, B Johansen, R Gniadecki
BACKGROUND: Cytosolic Phospholipase A2 (cPLA2α) is an enzyme suggested as a therapeutic target in inflammatory skin diseases. AVX001, a cPLA2α-inhibitor was investigated in a randomized, double-blind, placebo-controlled, split-design, first-in-man study in patients with mild to moderate psoriasis. OBJECTIVES: The primary objective was to evaluate cutaneous safety and tolerability of AVX001 in doses from 0.002%-5.0%. Safety was assessed as local skin reaction adverse events (LSRAE) grade 3-4...
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28107023/doxorubicin-delivery-into-tumor-cells-by-stable-cavitation-without-contrast-agents
#12
Kamel Chettab, Jean-Louis Mestas, Maxime Lafond, Djamel Eddine Saadna, Cyril Lafon, Charles Dumontet
Doxorubicin, alone or in combination with other anticancer agents, is one of the most widely used chemotherapeutic agents and is administered in a wide range of cancers. However, the use of doxorubicin is limited due to its potential serious adverse reactions. Previous studies have established the ability of high intensity focused ultrasound (HIFU) in combination with various contrast agents to increase intracellular doxorubicin delivery in a targeted and noninvasive manner. In this study, we developed a new sonoporation device generating and monitoring acoustic cavitation bubbles without any addition of contrast agents...
January 20, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28105642/what-do-popular-youtube-tm-videos-say-about-vaccines
#13
C H Basch, P Zybert, R Reeves, C E Basch
BACKGROUND: The unregulated social network YouTube(TM) has become an increasingly popular source of information on health topics such as vaccine safety. With a reach of over one billion users per month, the potential for misinformation is significant. METHODS: Using the keywords 'vaccine safety' and 'vaccines and children', 87 of the most widely viewed YouTube(TM) videos were identified and analyzed for content, author status and view count. RESULTS: The range of view counts was 25 532 to 6 229 835, with a median of 62 075 views per video...
January 19, 2017: Child: Care, Health and Development
https://www.readbyqxmd.com/read/28105242/skin-toxicity-in-a-patient-with-ovarian-cancer-treated-with-pegylated-liposomal-doxorubicin-a-case-report-and-review-of-the-literature
#14
Joanna Kubicka-Wołkowska, Magdalena Kędzierska, Maja Lisik-Habib, Piotr Potemski
Pegylated liposomal doxorubicin (PLD) is a form of doxorubicin enclosed in pegylated liposomes. In contrast to conventional doxorubicin, PLD is characterized by a lower incidence of cardiotoxicity and myelosuppression. However, it induces specific mucocutaneous side effects, particularly palmar-plantar erythrodysesthesia (PPE). Other dermal manifestations, such as intertrigo-like dermatitis, diffuse follicular rash, melanotic macules, maculopapular rash or recall phenomenon are less common. Mechanisms that lead to skin toxicity remain unclear, however, certain reports indicate that drug excretion in sweat, host-vs...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105168/relationship-between-mir-7-expression-and-treatment-outcomes-with-gefitinib-in-non-small-cell-lung-cancer
#15
Kun Mou, Weiwei Gu, Cuihua Gu, Jinzhong Zhang, Wenjie Qwang, Gang Ren, Jing Tian
The aim of the present study was to assess the effects of gefitinib chemotherapy on the serum levels of miR-7 in patients with non-small cell lung cancer (NSCLC). A total of 126 patients were enrolled in the present study (stage I-II, n=54 and stage III-IV, n=72). Patients with stage I-II NSCLC underwent surgery in combination with gefitinib chemotherapy, whereas only gefitinib chemotherapy was administered to patients with stage III-IV disease. Serum levels of miR-7 before and after treatment were measured with quantitative polymerase chain reaction using fluorogenic probes, and miR-7 positivity and scoring in resected specimens were determined by immunohistochemistry...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105151/sorafenib-improves-the-postoperative-effect-of-early-stage-renal-cell-carcinoma
#16
Taiyang Liu, Jie Li, Xiuhua Wen, Zhang Hui, Gui Qi
Sorafenib was examined to determine whether it improves postoperative effects during early stage renal cell carcinoma (RCC). A total of 133 patients with early renal clear cell carcinoma (T1-2N0M0) with surgical indications were continuously selected. The patients were divided into 3 groups according to different treatments, including the surgery alone group (40 cases), surgery combined with cytokine group (45 cases) and surgery combined with sorafenib group (48 cases), to make a comparison of their clinical effects...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28104975/antiepileptic-drugs-induced-stevens-johnson-syndrome-a-case-series
#17
Bhavi S Trivedi, Nishita H Darji, Supriya D Malhotra, Pankaj R Patel
Stevens-Johnson syndrome (SJS) is an acute life-threatening mucocutaneous reaction, characterized by extensive necrosis and detachment of the epidermis from the skin. The overall incidence of SJS is seen in five cases per million people per year. SJS is typically caused by drugs and is a kind of idiosyncratic reaction. Adverse drug reactions such an SJS have a remarkable effect on patient's safety issues. We encountered nine cases of antiepileptic drug (AED)-induced SJS, specifically with carbamazepine, oxcarbazepine, and phenytoin...
December 2016: Journal of Basic and Clinical Pharmacy
https://www.readbyqxmd.com/read/28104833/idiosyncratic-drug-induced-liver-injury-is-drug-cytokine-interaction-the-linchpin
#18
Robert A Roth, Ashley R Maiuri, Patricia E Ganey
Idiosyncratic drug-induced liver injury continues to be a human health problem in part because drugs that cause these reactions are not identified in current preclinical testing and because progress in prevention is hampered by incomplete knowledge of mechanisms that underlie these adverse responses. Several hypotheses involving adaptive immune responses, inflammatory stress, inability to adapt to stress, and multiple, concurrent factors have been proposed. Yet much remains unknown about how drugs interact with the liver to effect death of hepatocytes...
February 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28104225/microrna-mediated-rescue-of-fear-extinction-memory-by-mir-144-3p-in-extinction-impaired-mice
#19
Conor P Murphy, Xiang Li, Verena Maurer, Michael Oberhauser, Ronald Gstir, Luis Eduardo Wearick-Silva, Thiago Wendt Viola, Simon Schafferer, Rodrigo Grassi-Oliverira, Nigel Whittle, Alexander Hüttenhofer, Timothy W Bredy, Nicolas Singewald
BACKGROUND: MicroRNA (miRNA)-mediated control of gene expression suggests that miRNAs are interesting targets and/or biomarkers in the treatment of anxiety- and trauma-related disorders, where often memory-associated gene expression is adversely affected. METHODS: The role of miRNAs in the rescue of impaired fear extinction was assessed using the 129S1/SvlmJ (S1) mouse model of impaired fear extinction. miRNA microarray analysis, reverse transcription polymerase chain reaction, fluorescent in situ hybridization, lentiviral overexpression, and Luciferase reporter assays were used to gain insight into the mechanisms underlying miRNA-mediated normalization of deficient fear extinction...
December 26, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/28103904/safety-and-efficacy-of-fruquintinib-in-patients-with-previously-treated-metastatic-colorectal-cancer-a-phase-ib-study-and-a-randomized-double-blind-phase-ii-study
#20
Rui-Hua Xu, Jin Li, Yuxian Bai, Jianming Xu, Tianshu Liu, Lin Shen, Liwei Wang, Hongming Pan, Junning Cao, Dongsheng Zhang, Songhua Fan, Ye Hua, Weiguo Su
BACKGROUND: To assess the efficacy and safety of fruquintinib, a vascular endothelial growth factor receptor (VEGFR) inhibitor, in metastatic colorectal cancer (mCRC) patients. METHODS: A phase Ib open-label study and phase II randomized, placebo-controlled trial compared the efficacy of fruquintinib plus best supportive care (BSC) with placebo plus BSC in mCRC patients with ≥2 lines of prior therapies. The primary endpoint was progression-free survival (PFS)...
January 19, 2017: Journal of Hematology & Oncology
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