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Urine Drug Screens

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https://www.readbyqxmd.com/read/28929692/-metabolomics-of-bovine-serum-albumin-induced-allergic-reactions-based-on-uplc-q-tof-ms
#1
Yuan-Yuan Gu, Dan-Dan Zhang, Cheng Feng, Yu Wang, Da-Zhong Chen, Yan-Hong Wang
The metabonomic techniques were used to study the changes in endogenous metabolites between urines of rats in normal physiological conditions and bovine serum albumin induced allergic reactions, identify potential biomarkers associated with allergic reactions, and then analyze the metabolic pathways and the metabolic mechanisms of allergic reactions. The bovine serum albumin-induced allergic reactions in rats were adopted as a model to detect histamine and tryptase in rat serum and observe the issue morphology of lungs and trachea in rats...
November 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28929546/impact-of-selective-media-for-detecting-fluoroquinolone-insusceptible-extended-spectrum-beta-lactamase-producing-escherichia-coli-before-transrectal-prostate-biopsy
#2
Takuya Sadahira, Koichiro Wada, Motoo Araki, Ayano Ishii, Toyohiko Watanabe, Yoshitsugu Nasu, Masaya Tsugawa, Tadasu Takenaka, Yasutomo Nasu, Hiromi Kumon
OBJECTIVES: To investigate the prevalence of fluoroquinolone-insusceptible and/or extended-spectrum beta-lactamase-producing Escherichia coli colonizing in the male rectum before transrectal prostate biopsy. METHODS: We carried out a prospective cohort study of men undergoing transrectal prostate biopsy. CHROMagar Orientation originally supplemented with levofloxacin and CHROMagar Orientation/extended-spectrum beta-lactamase were used for detecting fluoroquinolone-insusceptible and extended-spectrum beta-lactamase-producing Escherichia coli...
September 20, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28929198/-substance-abuse-detection-in-substitution-therapy-oral-fluid-versus-urine-screening
#3
Johannes Stein, Max Geraedts
BACKGROUND: A patient's health in an opioid maintenance program is potentially endangered due to concurrent consumption of drugs. Therefore, the German Medical Association requests evidence of compliant substitute intake while type and frequency of drug screening is chosen by the physician. This study comparatively assessed the feasibility and potential advantage of oral fluid drug testing versus urine screening in day-to-day practice. METHODS: Urine and oral fluid-samples of a randomly chosen third of a total of 361 patients, treated in four different practices in a major German city, were tested...
September 19, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/28916143/violent-behavior-by-emergency-department-patients-with-an-involuntary-hold-status
#4
Nancy L Dawson, Christian Lachner, Tyler F Vadeboncoeur, Michael J Maniaci, Veronica Bosworth, Teresa A Rummans, Archana Roy, M Caroline Burton
BACKGROUND: Violence against health care workers has been increasing. Health care workers in emergency departments (EDs) are highly vulnerable because they provide care for patients who may have mental illness, behavioral problems, or substance use disorders (alone or in combination) and who are often evaluated during an involuntary hold. Our objective was to identify factors that may be associated with violent behavior in ED patients during involuntary holds. METHODS: Retrospective review of patients evaluated during an involuntary hold at a suburban acute care hospital ED from January 2014 through November 2015...
August 18, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28916103/controlled-synchronized-actuation-of-microdroplets-by-gravity-in-a-superhydrophobic-3d-printed-device
#5
P E Oomen, J P S H Mulder, E Verpoorte, R D Oleschuk
Droplet manipulation over open surfaces allows one to perform assays with a large degree of control and high throughput, making them appealing for applications in drug screening or (bio)analysis. However, the design, manufacturing and operation of these systems comes with high technical requirements. In this study we employ a commercial, low-friction, superhydrophobic coating, Ultra-Ever Dry(®), on a 3D-printed microfluidic device. The device features individual droplet compartments, which allow the manipulation of discrete droplets (10-50 μL) actuated by gravity alone...
October 2, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28894420/exosomes-as-potential-biomarkers-and-targeted-therapy-in-colorectal-cancer-a-mini-review
#6
REVIEW
Kha Wai Hon, Nadiah Abu, Nurul-Syakima Ab Mutalib, Rahman Jamal
The number of colorectal cancer (CRC) cases have increased gradually year by year. In fact, CRC is one of the most widely diagnosed cancer in men and women today. This disease is usually diagnosed at a later stage of the development, and by then, the chance of survival has declined significantly. Even though substantial progress has been made in understanding the basic molecular mechanism of CRC, there is still a lack of understanding in using the available information for diagnosing CRC effectively. Liquid biopsies are minimally invasive and have become the epitome of a good screening source for stage-specific diagnosis, measuring drug response and severity of the disease...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28885000/multi-platform-approach-for-the-discovery-of-novel-drug-induced-kidney-injury-biomarkers
#7
Liuxi Chen, James D Smith, Jaromir Mikl, Ryan Fryer, Frank Pack, Brad J Williams, Jonathan Phillips, Vladimir Papov
Drug-induced kidney injury (DIKI) is a common toxicity observed in pharmaceutical development. We demonstrate the use of label-free liquid chromatography - mass spectrometry (LC-MS) and multiplex liquid chromatography-single reaction monitoring (LC-SRM) as practical extensions of standard immunoassay based safety biomarker assessments for identification of new toxicity marker candidates and for improved mechanistic understanding. Two different anti-cancer drugs doxorubicin (DOX) and cisplatin (cis-diamminedichloridoplatinum, CDDP) were chosen as the toxicants due to their different modes of nephrotoxicity...
September 8, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28875876/commercial-herbal-medicines-used-as-african-traditional-medicines-ngoma-herbal-tonic-immune-booster-interferes-with-a-rapid-urine-drug-screening-test
#8
M E Mothibe, E Osuch, C P Kahler-Venter
BACKGROUND: The prevalent use of African traditional medicine by the general public has been reported. With commercialisation and marketing, some of the herbal medicines (HMs) used are readily available over the counter, most of them promoted as immune boosters. These commercial HMs have not been taken through clinical trials and other tests that would validate their composition and safety, and other properties such as their effect on laboratory diagnostic tests. OBJECTIVE: To investigate the cross-reactivity of selected HMs with commonly tested drugs of abuse (DoA) using a qualitative rapid urinalysis assay...
August 25, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28873975/comparison-of-post-targeted-and-pre-targeted-urine-drug-screening-by-uhplc-hr-qtofms
#9
Mira Sundström, Anna Pelander, Ilkka Ojanperä
The current illicit drug scene, with its unpredictable appearance of new psychoactive substances, challenges drug-testing laboratories. Ultra-high performance liquid chromatography-high-resolution quadrupole time-of-flight mass spectrometry (UHPLC-HR-QTOFMS) provides an especially versatile analytical platform for responding to this continuous change. QTOFMS can be used to collect nonselective MS/MS by broadband data-independent acquisition (DIA), recording all product ions regardless of the precursor ion. Another approach is to collect selective MS/MS by data-dependent acquisition (DDA), using a narrow precursor mass window with preset criteria such as the presence of a particular ion among a precursor ion list...
September 1, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28868331/mass-spectrometry-based-in-vitro-assay-to-identify-drugs-that-influence-cystine-solubility
#10
Neelanjan Bose, Tiffany Zee, Pankaj Kapahi, Marshall L Stoller
Cystinuria is a rare genetic disorder characterized by recurrent, painful kidney stones, primarily composed of cystine, the dimer of the amino acid cysteine (Sumorok and Goldfarb, 2013). Using a mouse model of cystinuria, we have recently shown that administration of drugs that increase cystine solubility in the urine can be a novel therapeutic strategy for the clinical management of the disease (Zee et al., 2017). There is a large unmet need in the field for developing new drugs for cystinuria. To that end, here we describe a simple in vitro cystine solubility assay that is amenable for screening compounds to identify potential drugs that may influence cystine solubility...
July 20, 2017: Bio-protocol
https://www.readbyqxmd.com/read/28858089/adherence-tolerability-and-outcome-after-36-months-of-isoniazid-preventive-therapy-in-2-rural-clinics-of-swaziland-a-prospective-observational-feasibility-study
#11
MULTICENTER STUDY
Yolanda Mueller, Qhubekani Mpala, Bernhard Kerschberger, Barbara Rusch, Gugu Mchunu, Sikhathele Mazibuko, Maryline Bonnet
Although efficacy of 36 months isoniazid preventive therapy (IPT) among HIV-positive individuals has been proven in trial settings, outcome, tolerance, and adherence have rarely been evaluated in real-life settings.This is a prospective observational cohort study conducted in 2 primary care rural clinics in Swaziland.After negative tuberculosis symptom screening, patients either with the positive tuberculin skin test (TST) or after tuberculosis treatment were initiated on IPT for 144 weeks. In addition to routine clinic visits, adherence was assessed every semester...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28854228/sensitivity-of-self-reported-opioid-use-in-case-control-studies-healthy-individuals-versus-hospitalized-patients
#12
Hamideh Rashidian, Maryam Hadji, Maryam Marzban, Mahin Gholipour, Afarin Rahimi-Movaghar, Farin Kamangar, Reza Malekzadeh, Elisabete Weiderpass, Abbas Rezaianzadeh, Abdolvahab Moradi, Nima Babhadi-Ashar, Reza Ghiasvand, Hossein Khavari-Daneshvar, Ali Akbar Haghdoost, Kazem Zendehdel
BACKGROUND: Several case-control studies have shown associations between the risk of different cancers and self-reported opium use. Inquiring into relatively sensitive issues, such as the history of drug use, is usually prone to information bias. However, in order to justify the findings of these types of studies, we have to quantify the level of such a negative bias. In current study, we aimed to evaluate sensitivity of self-reported opioid use and suggest suitable types of control groups for case-control studies on opioid use and the risk of cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28853177/recent-advances-in-ce-and-microchip-ce-in-clinical-applications-2014-to-mid-2017
#13
Terry M Phillips
CE and microchip CE (ME)are powerful tools for the analysis of a number of different analytes and have been applied to a variety of clinical fields and human samples. This review will present an overview of the most recent applications of these techniques to different areas of clinical medicine during the period of 2014 to mid-2017. CE and ME have been applied to clinical chemistry, drug detection and monitoring, hematology, infectious diseases, oncology, endocrinology, neonatology, nephrology, and genetic screening...
August 29, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28853115/effects-of-mandatory-screening-labs-in-directing-the-disposition-of-the-apparently-healthy-psychiatric-patient-in-the-emergency-department
#14
Karyn E Kagel, Meghan Smith, Ilya V Latyshenko, Christopher Mitchell, Andrew Kagel
OBJECTIVE: To determine whether mandatory psychiatric admission laboratory tests yield results that change the disposition of a patient with primary psychiatric complaint from admission to a psychiatric service to admission to a medical service. METHODS: This was a single center retrospective cohort chart review study approved by the facility Institutional Review Board in which we used a records database maintained by the emergency department's social workers to access the records of every patient that presented to our emergency department with a psychiatric chief complaint between the dates of December 1, 2011, and December 1, 2013...
July 2017: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/28844733/a-pilot-replication-of-quit-a-randomized-controlled-trial-of-a-brief-intervention-for-reducing-risky-drug-use-among-latino-primary-care-patients
#15
Lillian Gelberg, Ronald M Andersen, Melvin W Rico, Mani Vahidi, Guillermina Natera Rey, Steve Shoptaw, Barbara D Leake, Martin Serota, Kyle Singleton, Sebastian E Baumeister
BACKGROUND: QUIT is the only primary care-based brief intervention that has previously shown efficacy for reducing risky drug use in the United States (Gelberg et al., 2015). This pilot study replicated the QUIT protocol in one of the five original QUIT clinics primarily serving Latinos. DESIGN: Single-blind, two-arm, randomized controlled trial of patients enrolled from March-October 2013 with 3-month follow-up. SETTING: Primary care waiting room of a federally qualified health center (FQHC) in East Los Angeles...
June 13, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28843438/inflammation-substance-use-psychopathology-and-cognition-in-phase-1-of-the-clinical-antipsychotic-trials-of-intervention-effectiveness-study
#16
Brian J Miller, Peter F Buckley, Joseph P McEvoy
INTRODUCTION: Schizophrenia has been associated with aberrant blood levels of inflammatory markers. However, patients with comorbid illicit drug use have been inadequately studied with respect to immune function. Furthermore, associations between inflammatory markers, psychopathology, and cognition have been inconsistently considered. We investigated relationships between inflammatory markers, comorbid marijuana and cocaine use, and psychopathology and cognition in patients with schizophrenia...
August 24, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28841024/pharmacometabolomics-in-endogenous-drugs-a-new-approach-for-predicting-the-individualized-pharmacokinetics-of-cholic-acid
#17
Zhixin Zhang, Hao Gu, Huizhen Zhao, Yuehong Liu, Shuang Fu, Meiling Wang, Wenjuan Zhou, Ziye Xie, Honghong Yu, Zhenghai Huang, Xiaoyan Gao
The evaluation of individual variability in endogenous drugs' metabolism and disposition is a very challenging task. Here, we developed and validated a metabotype to pharmacokinetics (PK) matching approach by taking cholic acid as an example to predict the individualized PK of endogenous drugs. The stable isotope-labeled cholic acid was selected as the substitute analyte of cholic acid to ensure the accurate measurement of blood concentration. First, large-scale metabolite profiling studies were performed on the predose urine samples of 28 rats...
August 25, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28840991/evaluation-of-the-triage-tox-drug-screen-assay-for-detection-of-11-drugs-of-abuse-and-therapeutic-drugs
#18
Hae In Bang, Mi Ae Jang, Yong Wha Lee
The demand for rapid and broad clinical toxicology screens is on the rise. Recently, a new rapid toxicology screening test, the Triage TOX Drug Screen (Alere Inc., USA), which can simultaneously detect 11 drugs of abuse and therapeutic drugs with an instrument-read cartridge, was developed. In the present study, we evaluated the efficacy of this new on-site immunoassay using 105 urine specimens; the results were compared with those obtained by using ultra-performance liquid chromatography with tandem mass spectrometry (UPLC-TMS)...
November 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28829626/transitioning-from-methadone-to-buprenorphine-maintenance-in-management-of-opioid-use-disorder-during-pregnancy
#19
Shakevia Johnson, Peter R Martin
BACKGROUND: Opioid use disorder during pregnancy is a growing health concern. Methadone maintenance is the treatment of choice but emerging data indicate buprenorphine is a viable alternative. Due to costs and limited accessibility of methadone, pregnant women may require transition from methadone to buprenorphine for maintenance treatment. OBJECTIVES: To assess safety and effectiveness of transitioning from methadone to buprenorphine when necessary during pregnancy...
August 22, 2017: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/28828529/clinical-management-of-nocturnal-enuresis
#20
Eberhard Kuwertz-Bröking, Alexander von Gontard
Nocturnal enuresis (NE) is a common health problem. Approximately 10% of 7-year-old children wet the bed regularly during sleep. Enuresis can be categorized into monosymptomatic (MEN) and nonmonosymptomatic (NMEN) forms. MEN occurs without any other symptoms of bladder dysfunction. NMEN is associated with dysfunction of the lower urinary tract with or without daytime incontinence. The rate of comorbid gastrointestinal, behavioral, and emotional disorders is elevated depending upon the subtype of NE. A careful clinical history is fundamental to the evaluation of enuresis...
August 21, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
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