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https://www.readbyqxmd.com/read/28812281/preclinical-development-of-an-automated-injection-device-for-intradermal-delivery-of-a-cell-based-therapy
#1
Giulia Leoni, Alex Lyness, Patrick Ginty, Rindi Schutte, Gopalan Pillai, Gayatri Sharma, Paul Kemp, Natalie Mount, Michaela Sharpe
Current methods for intradermal delivery of therapeutic products in clinical use include manual injection via the Mantoux technique and the use of injection devices, primarily developed for the delivery of vaccines and small molecules. A novel automated injection device is presented specifically designed for accurate delivery of multiple doses of product through a number of adjustable injection parameters, including injection depth, dose volume and needle insertion speed. The device was originally conceived for the delivery of a cell-based therapy to patients with skin wounds caused by epidermolysis bullosa...
August 15, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28801836/optimization-of-sample-preparation-and-instrumental-parameters-for-the-rapid-analysis-of-drugs-of-abuse-in-hair-samples-by-maldi-ms-ms-imaging
#2
Bryn Flinders, Emma Beasley, Ricky M Verlaan, Eva Cuypers, Simona Francese, Tom Bassindale, Malcolm R Clench, Ron M A Heeren
Matrix-assisted laser desorption/ionization-mass spectrometry imaging (MALDI-MSI) has been employed to rapidly screen longitudinally sectioned drug user hair samples for cocaine and its metabolites using continuous raster imaging. Optimization of the spatial resolution and raster speed were performed on intact cocaine contaminated hair samples. The optimized settings (100 × 150 μm at 0.24 mm/s) were subsequently used to examine longitudinally sectioned drug user hair samples. The MALDI-MS/MS images showed the distribution of the most abundant cocaine product ion at m/z 182...
August 11, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28756358/jejunal-diverticula-with-perforation-in-non-steroidal-anti-inflammatory-drug-user-a-case-report
#3
Shobhit Gupta, Naveen Kumar
INTRODUCTION: Multiple diverticulosis of the jejunum constitutes an uncommon pathology of the small bowel. The disease is often asymptomatic and must be taken into consideration in cases of unexplained malabsorption, anemia, chronic abdominal pain and discomfort. CASE PRESENTAION: We are thereby reporting a 50yr patient on chronic NSAID ingestion presenting to us with acute abdomen. On exploration, there were multiple (14) jejunal diverticuli on both mesenteric and antimesentric border from 10cm to 90cm distal to duedenojejunal junction with a perforation in one of the diverticulum, 80cm distal to the ligament of Treitz...
July 22, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28755603/anticholinergic-use-trends-in-14-013-patients-with-schizophrenia-from-three-national-surveys-on-the-use-of-psychotropic-medications-in-china-2002-2012
#4
Yun-Ai Su, Feng Yan, Qian Li, Yu-Tao Xiang, Liang Shu, Xin Yu, Yu-Ping Ning, Ke-Rang Zhang, Tao Li, Qi-Yi Mei, Ke-Qing Li, Tian-Mei Si
Our previous study demonstrated that there have been changes in the patterns of prescription antipsychotic use in China over the period from 2002 to 2012. The aim of this study was to evaluate whether time trends were present for the prescription of anticholinergic medications (ACMs) during the observation period. A total of 14,013 patients with schizophrenia treated in 45 psychiatric hospitals/centers nationwide were surveyed in 2002, 2006 and 2012. Basic socio-demographic and clinical characteristics and the prescription of psychotropic drugs were recorded using a standardized protocol and data collection procedure...
July 21, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28753882/statin-use-and-survival-in-patients-with-metastatic-castration-resistant-prostate-cancer-treated-with-abiraterone-acetate
#5
Giuseppe Di Lorenzo, Guru Sonpavde, Gregory Pond, Giuseppe Lucarelli, Sabrina Rossetti, Gaetano Facchini, Sarah Scagliarini, Giacomo Cartenì, Piera Federico, Bruno Daniele, Franco Morelli, Teresa Bellelli, Matteo Ferro, Sabino De Placido, Carlo Buonerba
BACKGROUND: Although statin use has been associated with favorable effects in various solid malignancies, no conclusive evidence is available at present. Statins are safe and inexpensive, and may synergize with novel antiandrogen agents abiraterone via pharmacokinetic interactions and decrease substrate availability for de novo androgen biosynthesis. OBJECTIVE: To determine whether statin use affects survival in patients with metastatic castration-resistant prostate cancer (mCRPC) treated with abiraterone...
April 8, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28724038/sexual-addiction-in-drug-addicts-the-impact-of-drug-of-choice-and-poly-addiction
#6
Nelson Antonio, Alessandra Diehl, Marcelo Niel, Sandra Pillon, Lilian Ratto, Maria Carolina Pinheiro, Dartiu Silveira, Thais Zelia Otani, Victor Otani, Quirino Cordeiro, Ricardo Ushida
Objective: To compare the risk of comorbid sexual addiction in a sample of individuals with a diagnosis of substance dependence, stratifying the sample by drug of choice as well as by mono versus polysubstance addiction. Method: All data were collected at Santa Casa de São Paulo, Brazil. The study sample comprised all alcohol or drug dependents admitted to the Addiction Treatment Unit between November 2013 and August 2014. A generalized linear model with a binomial distribution was performed to compare the odds of having a Sexual Addiction Screening Test (SAST) score greater than 6 points in the subgroups analyzed...
May 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28718324/physical-health-and-drug-safety-in-individuals-with-schizophrenia
#7
Tamara Pringsheim, Martina Kelly, Doug Urness, Michael Teehan, Zahinoor Ismail, David Gardner
BACKGROUND: While antipsychotic medications are the mainstay of therapy for individuals with schizophrenia and psychotic disorders, their use is associated with adverse effects on physical health that require the attention and care of prescribers. METHODS: We used the ADAPTE process to adapt existing guideline recommendations from the National Institute for Health and Care Excellence (NICE) and Scottish Intercollegiate Guidelines Network (SIGN) guidelines on the dosing of antipsychotics and antipsychotic polypharmacy, screening for adverse effects of antipsychotics, and management of metabolic and extrapyramidal side effects to the Canadian context...
January 1, 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28717153/proton-pump-inhibitors-and-the-risk-for-fracture-at-specific-sites-data-mining-of-the-fda-adverse-event-reporting-system
#8
Liwei Wang, Mei Li, Yuying Cao, Zhengqi Han, Xueju Wang, Elizabeth J Atkinson, Hongfang Liu, Shreyasee Amin
Proton pump inhibitors (PPIs) are widely used to treat gastric acid-related disorders. Concerns have been raised about potential fracture risk, especially at the hip, spine and wrist. However, fracture risk at other bone sites has not been as well studied. We investigated the association between PPIs and specific fracture sites using an aggregated knowledge-enhanced database, the Food and Drug Administration Adverse Event Reporting System Data Mining Set (AERS-DM). Proportional reporting ratio (PRR) was used to detect statistically significant associations (signals) between PPIs and fractures...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28713277/does-the-strategy-of-risk-group-testing-for-hepatitis-c-hit-the-target
#9
Mirjana R Jovanovic, Aleksandar Miljatovic, Laslo Puskas, Slobodan Kapor, Dijana L Puskas
In the European Union, it is estimated that there are 5.5 million individuals with chronic infection of hepatitis C. Intravenous drug abuse is undoubtedly the key source of the hepatitis C epidemic in Europe and the most efficient mode of transmission of HCV infections (primarily due to short incubation time, but also because the virus is introduced directly into the blood stream with the infected needle). Potentially high-risk and vulnerable populations in Europe (and the world) include immigrants, prisoners, sex workers, men having sex with men, individuals infected with HIV, psychoactive substance users etc...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28712286/calibration-free-electrochemical-biosensors-supporting-accurate-molecular-measurements-directly-in-undiluted-whole-blood
#10
Hui Li, Philippe Dauphin-Ducharme, Gabriel Ortega, Kevin W Plaxco
The need to calibrate to correct for sensor-to-sensor fabrication variation and sensor drift has proven a significant hurdle in the widespread use of biosensors. To maintain clinically relevant (±20% for this application) accuracy, for example, commercial continuous glucose monitors require recalibration several times a day, decreasing convenience and increasing the chance of user errors. Here, however, we demonstrate a "dual-frequency" approach for achieving the calibration-free operation of electrochemical biosensors that generate an output by using square-wave voltammetry to monitor binding-induced changes in electron transfer kinetics...
August 16, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28710214/trends-and-factors-in-human-immunodeficiency-virus-and-or-hepatitis-c-virus-testing-and-infection-among-injection-drug-users-newly-entering-methadone-maintenance-treatment-in-guangdong-province-china-2006-2013-a-consecutive-cross-sectional-study
#11
Yin Liu, Yu Liu, Xia Zou, Wen Chen, Li Ling
OBJECTIVES: To assess trends and related factors in HIV and/or hepatitis C virus (HCV) antibody testing and infection among injection drug users (IDUs) newly entering methadone maintenance treatment (MMT) in Guangdong Province, China. METHOD: Consecutive cross sectional surveys were conducted in 14 MMT clinics from July 2006 to December 2013 in Guangdong Province, China. IDUs were excluded if they were re-enrolled or referred from other MMT clinics. Trend tests were used to examine HIV and/or HCV testing and infection, sociodemographic characteristics, drug use related behaviours and the past 3 month sexual behaviours on enrolment...
July 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28699780/depression-anxiety-and-stress-severities-in-multiple-sclerosis-patients-using-injectable-versus-oral-treatments
#12
Fawaz Al-Hussain, Noura Al-Salloum, Naael Alazwary, Jameelah Saeedi, Sara Howaidi, Abdulkader Daif
AIM: Studies on multiple sclerosis in Saudi Arabia remain scant, particularly studies on the psychological aspects. This study measures severities of depression, anxiety and stress, and compares them to the used disease-modifying treatment. MATERIALS & METHODS: Cross-sectional study using a phone questionnaire targeting 452 Saudi patients with relapsing-remitting multiple sclerosis following in King Khalid University Hospital, King Fahad Medical City or Security Forces Hospital...
July 12, 2017: Journal of Comparative Effectiveness Research
https://www.readbyqxmd.com/read/28699018/polydrug-use-and-heterogeneity-in-hiv-risk-among-people-who-inject-drugs-in-estonia-and-russia-a-latent-class-analysis
#13
Isabel Tavitian-Exley, Marie-Claude Boily, Robert Heimer, Anneli Uusküla, Olga Levina, Mathieu Maheu-Giroux
Non-medical drug injection is a major risk factor for HIV infection in Russia and Estonia. Multiple drug use (polydrug) has further been associated with increased harms. We compared HIV, injecting and sexual risk associated with polydrug use among people who injected drugs (PWID) in 2012-2013 in Kohtla-Järve (Estonia, n = 591) and St Petersburg (Russia, n = 811). Using latent class analysis, we identified five (poly)drug classes, the largest consisting of single-drug injectors among whom an opioid was the sole drug injected (56% of PWID)...
July 11, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28696019/postoperative-bleeding-risk-after-gastric-endoscopic-submucosal-dissection-during-antithrombotic-drug-therapy
#14
Yoshiyasu Kono, Yuka Obayashi, Yuki Baba, Hiroyuki Sakae, Tatsuhiro Gotoda, Ko Miura, Hiromitsu Kanzaki, Masaya Iwamuro, Seiji Kawano, Yoshiro Kawahara, Takehiro Tanaka, Hiroyuki Okada
BACKGROUND AND AIM: The safety of gastric endoscopic submucosal dissection (ESD) in the antithrombotic drug users remains controversial. METHODS: Patients who underwent gastric ESD at Okayama university hospital between March 2006 and February 2016 were enrolled. We investigated the risk of post-ESD bleeding according to the management of the antithrombotic drugs. RESULTS: One thousand twenty lesions (872 patients) were enrolled. In a multivariate analysis, heparin replacement (HR) (Odds ratio [OR] 5...
July 11, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28682387/imulti-humphos-a-multi-label-classifier-for-identifying-human-phosphorylated-proteins-using-multiple-kernel-learning-based-support-vector-machines
#15
Md Al Mehedi Hasan, Shamim Ahmad, Md Khademul Islam Molla
Protein phosphorylation plays a potential role in regulating protein conformation and functions. As a result, identifying an uncharacterized protein sequence as a phosphorylated protein is a very meaningful problem and an urgent issue for both basic research and drug development. Although various types of computational methods have been developed to identify the phosphorylation sites for a recognized phosphorylated protein, very few computational methods have been developed to identify whether an uncharacterized protein can be phosphorylated or not...
July 25, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28682155/community-health-integration-through-pharmacy-process-and-ergonomics-redesign-chipper
#16
Michelle A Jahn, Barrett S Caldwell
As the expansion and utilization of community pharmacy systems increases, so does the risk for an adverse drug event to occur. In attempts to mitigate this risk, many community pharmacies implement health information technology (IT); however, there are challenges in integrating the wider systems components necessary for a successful implementation with minimal unintended consequences. The purpose of this paper is to introduce a Community Health Integration through Pharmacy Process and Ergonomics Redesign (CHIPPER) framework, which explores the multiple angles of health IT integration to support medication delivery processes in community pharmacy systems...
July 6, 2017: Ergonomics
https://www.readbyqxmd.com/read/28678632/russian-criminal-culture-among-drug-addicted-former-soviet-union-immigrants-in-israel
#17
Yakhnich Liat
This article explores the cultural context of substance abuse among drug-addicted Former Soviet Union (FSU) immigrants in Israel. Using a qualitative approach, it focuses on immigrant users' affiliation with the Russian criminal culture. The data analysis elicited a number of themes, including the key components of this culture, its attitude toward drug consumption, and its role in the users' lives and rehabilitation. It is argued that drug-addicted immigrants suffer multiple marginalization. Their affiliation with the ethnic criminal subculture serves as a defense reaction that protects their identities and grants them a sense of mastery not afforded in the wider society...
July 5, 2017: Journal of Ethnicity in Substance Abuse
https://www.readbyqxmd.com/read/28677665/reinforcing-effects-of-binary-mixtures-of-common-bath-salt-constituents-studies-with-3-4-methylenedioxypyrovalerone-mdpv-3-4-methylenedioxymethcathinone-methylone-and-caffeine-in-rats
#18
Brenda M Gannon, Kayla I Galindo, Melson P Mesmin, Kenner C Rice, Gregory T Collins
'Bath salts' use is associated with high rates of abuse, toxicity, and death. bath salt preparations often contain mixtures of drugs including multiple synthetic cathinones (eg, 3,4-methylenedioxypyrovalerone (MDPV) or 3,4-methylenedioxymethcathinone (methylone)) or synthetic cathinones and caffeine; however, little is known about whether interactions among bath salt constituents contribute to the abuse-related effects of bath salts preparations. This study used male Sprague-Dawley rats responding under a progressive ratio schedule to quantify the reinforcing effectiveness of MDPV, methylone, and caffeine, administered alone and as binary mixtures (n=12 per mixture)...
July 5, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28642027/-monitoring-devices-and-their-alarms-incident-reports-suggest-problems-with-device-knowledge
#19
Kathrin Lange, Miriam Nowak, Claudia Neudörfl, Wolfgang Lauer
Missing or false device alarms pose a risk in clinical practice. Publications from the United States suggest that alarm errors are not only caused by technical issues but to a considerable degree result from user-device interaction problems. To safely operate a medical device, users have to thoroughly understand both device behavior and device functioning. They also need to foresee the exact consequences of their interactions with the device. This can be challenging, especially if a device has multiple functions, is applied in various use contexts or networked with other devices - as is often the case with patient monitors...
June 19, 2017: Zeitschrift Für Evidenz, Fortbildung und Qualität Im Gesundheitswesen
https://www.readbyqxmd.com/read/28634103/undetectable-mannose-binding-lectin-and-corticosteroids-increase-serious-infection-risk-in-rheumatoid-arthritis
#20
Graeme J Carroll, Krista Makin, Maxine Garnsey, Max Bulsara, Bronwyn V Carroll, Shona M Curtin, Erin M Allan, Andrew McLean-Tooke, Christine Bundell, Monica L Kemp, Pooja Deshpande, Dana Ihdayhid, Sophie Coleman, Tracie Easter, James Triplett, Timothy Disteldorf, C Helen Marsden, Michaela Lucas
BACKGROUND: Infection is the leading cause of death in rheumatoid arthritis (RA). Corticosteroid (CS) use is a known and important risk factor for serious infections (SIs). Mannose binding lectin (MBL) is a genetically determined component of the innate immune system implicated in neonatal infections. OBJECTIVE: Our aim was to determine whether MBL deficiency is a risk factor for SIs in RA and to compare it with CS use and also synthetic and biologic disease-modifying antirheumatic drug (DMARD) therapy...
June 17, 2017: Journal of Allergy and Clinical Immunology in Practice
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