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Adverse drug-drug interaction

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https://www.readbyqxmd.com/read/29139041/drug-safety-analysis-in-a-real-life-cohort-of-parkinson-s-disease-patients-with-polypharmacy
#1
Saskia Müller-Rebstein, Claudia Trenkwalder, Jens Ebentheuer, Wolfgang H Oertel, Carsten Culmsee, Günter U Höglinger
BACKGROUND: Polypharmacy is common in geriatric Parkinson's disease (PD) patients in advanced disease stages with multiple comorbidities, bearing multiple risks for drug safety in theory. OBJECTIVE: The aim of this study was to empirically identify the most frequent and relevant contraindications and drug interactions actually occurring and compromising drug safety in PD in real life. METHODS: We conducted a prospective observational study in a multimorbid cohort of PD patients with polypharmacy admitted to a specialized hospital...
November 14, 2017: CNS Drugs
https://www.readbyqxmd.com/read/29138563/squarticles-as-the-nanoantidotes-to-sequester-the-overdosed-antidepressant-for-detoxification
#2
Chun-Han Chen, Tse-Hung Huang, Ahmed O Elzoghby, Pei-Wen Wang, Chia-Wen Chang, Jia-You Fang
The increasing death rate caused by drug overdose points to an urgent demand for the development of novel detoxification therapy. In an attempt to detoxify tricyclic antidepressant overdose, we prepared a lipid nanoemulsion, called squarticles, as the nanoantidote. Squalene was the major lipid matrix of the squarticles. Here, we present the animal study to investigate both the pharmacokinetic and pharmacodynamic effects of squarticles on amitriptyline intoxication. The anionic and cationic squarticles had average diameters of 97 and 122 nm, respectively...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29135907/efavirenz-therapeutic-range-in-hiv-1-treatment-naive-participants
#3
Cindy J Bednasz, Charles S Venuto, Qing Ma, Eric S Daar, Paul E Sax, Margaret A Fischl, Ann C Collier, Kimberly Y Smith, Camlin Tierney, Yang Yang, Gregory E Wilding, Gene D Morse
BACKGROUND: Efavirenz is currently suggested as an alternative to recommended antiretroviral (ARV) regimens by the Department of Health and Human Services for the treatment of HIV-1 in ARV-naive patients. A mid-dosing interval therapeutic range between 1000 and 4000 ng/mL for efavirenz has been proposed in the literature, with patients more likely to experience virologic failure below this range and adverse effects above. The current study reports an analysis of virologic outcome between those above, below, or within the reported efavirenz therapeutic range (1000-4000 ng/mL) and within subgroups...
December 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/29135696/effect-of-a-scenario-tailored-opioid-messaging-program-on-parents-risk-perceptions-and-opioid-decision-making
#4
Terri Voepel-Lewis, Brian J Zikmund-Fisher, Carol J Boyd, Philip T Veliz, Sean Esteban McCabe, Monica Weber, Alan R Tait
OBJECTIVES: Poor parental understanding of prescription opioid risks is associated with potentially dangerous decisions that can contribute to adverse drug events (ADE) in children and adolescents. This study examined whether an interactive Scenario-Tailored Opioid Messaging Program (STOMP™) would (1) enhance opioid risk perceptions and (2) improve the safety of parents' decision-making. METHODS: 546 parents were randomized to receive the STOMP™ versus Control information and 516 completed the program...
November 10, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/29135584/concomitant-medication-polypharmacy-interactions-and-imperfect-adherence-are-common-in-australian-adults-on-suppressive-art
#5
Krista J Siefried, Limin Mao, Lucette A Cysique, John Rule, Michelle L Giles, Don E Smith, James Mcmahon, Tim R Read, Catriona Ooi, Ban K Tee, Mark Bloch, John de Wit, Andrew Carr
OBJECTIVES: We quantified concomitant medication (CM) polypharmacy, pharmacokinetic (PK) and pharmacodynamic (PD) interactions, adverse effects and adherence in Australian adults on effective ART. DESIGN: Cross-sectional. METHODS: Patients recruited into a nation-wide cohort and assessed for prevalence and type of CM (including polypharmacy, defined as ≥5 CMs), PK or PD interactions, potential CM adverse effects and CM adherence. Factors associated with CM polypharmacy and with imperfect adherence were identified using multivariable logistic regression...
November 10, 2017: AIDS
https://www.readbyqxmd.com/read/29133212/quantitative-and-systems-pharmacology-2-in-silico-polypharmacology-of-g-protein-coupled-receptor-ligands-via-network-based-approaches
#6
Zengrui Wu, Weiqiang Lu, Weiwei Yu, Tianduanyi Wang, Weihua Li, Guixia Liu, Hankun Zhang, Xiufeng Pang, Jin Huang, Mingyao Liu, Feixiong Cheng, Yun Tang
G protein-coupled receptors (GPCRs) are the largest super family with more than 800 membrane receptors. Currently, over 30% of the approved drugs target human GPCRs. However, only approximately 30 human GPCRs have been resolved three-dimensional crystal structures, which limits traditional structure-based drug discovery. Recent advances in network-based systems pharmacology approaches have demonstrated powerful strategies for identifying new targets of GPCR ligands. In this study, we proposed a network-based systems pharmacology framework for comprehensive identification of new drug-target interactions on GPCRs...
November 10, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29129847/effects-of-ketoconazole-on-cyclophosphamide-metabolism-evaluation-of-cyp3a4-inhibition-effect-using-the-in-vitro-and-in-vivo-models
#7
Le Yang, Chenyang Yan, Feng Zhang, Bo Jiang, Shouhong Gao, Youtian Liang, Lifeng Huang, Wansheng Chen
Cyclophosphamide (CP) is widely used in anticancer therapy regimens and 2-dechloroethylcyclophosphamide (DECP) is its side-chain dechloroethylated metabolite. N-dechloroethylation of CP mediated by the enzyme CYP3A4 yields nephrotoxic and neurotoxic chloroacetaldehyde (CAA) in equimolar amount to DECP. This study aimed to evaluate the inhibitory effect of ketoconazole (KTZ) on CP metabolism through in vitro and in vivo drug-drug interaction (DDI) research. Long-term treatment of KTZ induces hepatic injury; thus single doses of KTZ at low, middle, and high levels (10, 20, and 40 mg/kg) were investigated for pharmacokinetic DDI with CP...
November 13, 2017: Experimental Animals
https://www.readbyqxmd.com/read/29128024/mycobacterial-infections-in-solid-organ-and-hematopoietic-stem-cell-transplantation
#8
REVIEW
Tahuanty Pena, Julia Klesney-Tait
Mycobacterial infections are uncommon in solid organ and hematopoietic stem cell transplant recipients but carry significant morbidity and mortality. Donor screening strategies for tuberculosis should be emphasized in high-risk populations. Both tuberculosis and nontuberculous mycobacterial infections can have pulmonary and extrapulmonary manifestations of infections. Recommended treatment regimens typically involve multiple drugs with significant adverse effects and drug interactions.
December 2017: Clinics in Chest Medicine
https://www.readbyqxmd.com/read/29127724/safety-aspects-of-the-use-of-quercetin-as-a-dietary-supplement
#9
REVIEW
Susanne Andres, Sophie Pevny, Rainer Ziegenhagen, Nadiya Bakhiya, Bernd Schäfer, Karen Ildico Hirsch-Ernst, Alfonso Lampen
The flavonoid quercetin is frequently found in low amounts as a secondary plant metabolite in fruits and vegetables. Isolated quercetin is also marketed as a dietary supplement, mostly as the free quercetin aglycone, and frequently in daily doses of up to 1000 mg per day exceeding usual dietary intake levels. The present review is dedicated to safety aspects of isolated quercetin used as single compound in dietary supplements. Among the numerous published human intervention studies, adverse effects following supplemental quercetin intake have been rarely reported and any such effects were mild in nature...
November 11, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29125269/direct-oral-anticoagulants-use-in-elderly-patients-with-non-valvular-atrial-fibrillation-state-of-evidence
#10
Giulia Benedetti, Matteo Neccia, Luciano Agati
Non-valvular atrial fibrillation (NVAF) increases the risk of stroke by three- to five-fold, especially in elderly patients, creating a huge burden on medical system as well as a negative impact on patients lives. Balancing efficacy and bleeding risk is a challenge when considering anticoagulation therapy in elderly patients, because of their frequent high risk of both stroke and bleeding. Real world data reveal the underuse of anticoagulation in the elderly, especially due to physicians' fear of bleeding, often neglecting the thromboembolic risk...
November 10, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/29124918/approaches-to-acute-pain-management-in-older-people
#11
Angela Telford
Pain is a diverse, individual experience and is associated with distress and suffering. Uncontrolled acute pain has been linked to delayed recovery and prolonged hospital stay. Nurses have a duty of care to their patients and acute pain management is integral to this. However, acute pain in older people can be difficult to manage, often because of under-reporting or difficulties in assessment. Older people have altered physiology often compounded by multiple co-morbidities and polypharmacy, all of which affect the appropriateness of, and available, pharmacological pain management strategies...
October 31, 2017: Nursing Older People
https://www.readbyqxmd.com/read/29124665/evaluation-of-definite-anaphylaxis-drug-allergy-alert-overrides-in-inpatient-and-outpatient-settings
#12
Adrian Wong, Diane L Seger, Sarah P Slight, Mary G Amato, Patrick E Beeler, Julie M Fiskio, David W Bates
INTRODUCTION: Drug-allergy interaction (DAI) alerts are generated when a known adverse sensitivity-inducing substance is prescribed. A recent study at our institution showed that providers overrode most DAI alerts, including those that warned against potentially life-threatening 'anaphylaxis'. OBJECTIVE: The aim of this study was to determine the rate of anaphylaxis overrides, the reasons for these overrides, whether the overrides were appropriate, and if harm occurred from overrides...
November 9, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/29123330/markov-logic-networks-for-adverse-drug-event-extraction-from-text
#13
Sriraam Natarajan, Vishal Bangera, Tushar Khot, Jose Picado, Anurag Wazalwar, Vitor Santos Costa, David Page, Michael Caldwell
Adverse drug events (ADEs) are a major concern and point of emphasis for the medical profession, government, and society. A diverse set of techniques from epidemiology, statistics, and computer science are being proposed and studied for ADE discovery from observational health data (e.g., EHR and claims data), social network data (e.g., Google and Twitter posts), and other information sources. Methodologies are needed for evaluating, quantitatively measuring, and comparing the ability of these various approaches to accurately discover ADEs...
May 2017: Knowledge and Information Systems
https://www.readbyqxmd.com/read/29122794/consensus-validation-of-the-posamino-potentially-serious-alcohol-medication-interactions-in-older-adults-criteria
#14
Alice E Holton, Paul J Gallagher, Cristín Ryan, Tom Fahey, Gráinne Cousins
OBJECTIVES: Older adults are particularly vulnerable to adverse effects from concurrent alcohol and medication use. However, there is limited evidence regarding the prevalence of these adverse outcomes among older adults, and there is a lack of consensus regarding what constitutes an alcohol-interactive medicine. The objective of this study was to develop an explicit list of potentially serious alcohol-medication interactions for use in older adults. DESIGN: Following a systematic review, review of drug compendia and clinical guidance documents, a two-round Delphi consensus method was conducted...
November 8, 2017: BMJ Open
https://www.readbyqxmd.com/read/29121854/monitoring-interactions-inside-cells-by-advanced-spectroscopies-overview-of-copper-transporters-and-cisplatin
#15
Alessia Lasorsa, Giovanni Natile, Antonio Rosato, Francesco Tadini-Buoninsegni, Fabio Arnesano
BACKGROUND: Resistance, either at the onset of the treatment or developed after an initial positive response, is a major limitation of antitumor therapy. In the case of platinum-based drugs, copper transporters have been found to interfere with drug trafficking by facilitating the import or favoring the platinum export and inactivation. METHODS: The use of powerful spectroscopic, spectrometric and computational methods have allowed a deep structural insight into the mode of interaction of platinum drugs with the metal-binding domains of the transporter proteins...
November 10, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29119923/drug-induced-nephrotoxicity-pathogenic-mechanisms-biomarkers-and-prevention-strategies
#16
Jiaguo Huang, Huizi Wu
Overdosing of the drugs, drug-drug interaction or drug related adverse effects are the risk factors of drug-induced nephrotoxicity. Since the use of some nephrotoxic drugs is still unavoidable in clinic, to understand the pathogenic mechanisms of nephrotoxicity of these drugs is critical to decrease the incidence of kidney injury. Early detection of drug-induced nephrotoxicity and reduce the therapeutic side effects are still accessible approaches to avoid the end stage of renal failure. Therefore, the discovery or development of the early and accurate diagnostic biomarkers is an effective prevention strategy for drug-induced kidney impairment...
November 8, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/29116617/nanoparticulated-polymeric-composites-enfolding-lithium-carbonate-as-brain-drug-in-persuading-depression-an-in-vivo-study
#17
A Anita Margret, V Violet Dhayabaran, A Ganesh Kumar
Lithium carbonate is considered an effective drug against mania and acts as a mood stabilizer. It is found that it enhances antidepressants targeting depression, consequently it is prone to have risk factors that leads to adverse effects. The study is devised in confronting depression under nanoscale by preparing nanocomposites which is a matrix of biopolymer chitosan that encapsulates lithium carbonate by ionic gelation method. This facilitates the drug delivery in a regulated manner targeting the therapeutic action with a limited dosage that lessens the side effects in the course of treatment...
November 7, 2017: Progress in biomaterials
https://www.readbyqxmd.com/read/29112958/cardiovascular-disease-cvd-and-chronic-kidney-disease-ckd-event-rates-in-hiv-positive-persons-at-high-predicted-cvd-and-ckd-risk-a-prospective-analysis-of-the-d-a-d-observational-study
#18
Mark A Boyd, Amanda Mocroft, Lene Ryom, Antonella d'Arminio Monforte, Caroline Sabin, Wafaa M El-Sadr, Camilla Ingrid Hatleberg, Stephane De Wit, Rainer Weber, Eric Fontas, Andrew Phillips, Fabrice Bonnet, Peter Reiss, Jens Lundgren, Matthew Law
BACKGROUND: The Data Collection on Adverse Events of Anti-HIV Drugs (D:A:D) study has developed predictive risk scores for cardiovascular disease (CVD) and chronic kidney disease (CKD, defined as confirmed estimated glomerular filtration rate [eGFR] ≤ 60 ml/min/1.73 m2) events in HIV-positive people. We hypothesized that participants in D:A:D at high (>5%) predicted risk for both CVD and CKD would be at even greater risk for CVD and CKD events. METHODS AND FINDINGS: We included all participants with complete risk factor (covariate) data, baseline eGFR > 60 ml/min/1...
November 2017: PLoS Medicine
https://www.readbyqxmd.com/read/29112326/real-world-challenges-and-unmet-needs-in-the-diagnosis-and-treatment-of-suspected-invasive-pulmonary-aspergillosis-in-patients-with-hematological-diseases-an-illustrative-case-study
#19
Martin Hoenigl, Juergen Prattes, Peter Neumeister, Albert Wölfler, Robert Krause
Recent years have seen important advances in the diagnosis of invasive pulmonary aspergillosis (IPA), complemented by the introduction of new therapies. Despite this, IPA remains a major cause of infection-related mortality in patients with hematological diseases. There are two main reasons for this. First, diagnosis of IPA remains a challenge, since risk factors and the clinical, radiological and mycological presentations vary not only by fungal disease stage, but also by patient group (e.g. neutropenic versus non-neutropenic patients)...
November 7, 2017: Mycoses
https://www.readbyqxmd.com/read/29111402/monitoring-both-procalcitonin-and-c-reactive-protein-in-the-early-period-after-tetralogy-of-fallot-correction-in-children-promotes-rational-antibiotic-use
#20
Radoslaw Jaworski, Ireneusz Haponiuk, Ninela Irga-Jaworska, Mariusz Steffens, Maciej Chojnicki, Konrad Paczkowski, Jacek Zielinski
PURPOSE: This retrospective cohort study aimed to identify the early postoperative kinetics of C-reactive protein (CRP) and procalcitonin (PCT) in children undergoing tetralogy of Fallot (ToF) correction. The ability of these inflammatory markers to guide rational antibiotic usage was also determined. MATERIALS AND METHODS: All consecutive children who underwent ToF correction in 2009-2016 in our referral pediatric cardiac surgery clinic in Gdansk, Poland and did not exhibit infection signs on early postoperative days (POD) were identified...
October 27, 2017: Advances in Medical Sciences
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