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https://www.readbyqxmd.com/read/29688583/safe-use-of-proton-pump-inhibitors-in-patients-with-cirrhosis
#1
Rianne A Weersink, Margriet Bouma, David M Burger, Joost P H Drenth, S Froukje Harkes-Idzinga, Nicole G M Hunfeld, Herold J Metselaar, Margje H Monster-Simons, Sandra A W van Putten, Katja Taxis, Sander D Borgsteede
AIMS: Proton pump inhibitors (PPIs) belong to the most frequently used drugs, also in patients with cirrhosis. PPIs are extensively metabolized by the liver, but practice guidance on prescribing in cirrhosis is lacking. We aim to develop practical guidance on the safe use of PPIs in cirrhosis. METHODS: A systematic literature search identified studies about the safety (i.e. adverse events) and pharmacokinetics of PPIs in cirrhotic patients. This evidence and data from the product information was reviewed by an expert panel who classified drugs as safe; no additional risks known; additional risks known; unsafe; or unknown...
April 24, 2018: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29669354/effectiveness-and-safety-of-pylera%C3%A2-in-patients-infected-by-helicobacter-pylori-a-multicenter-retrospective-real-life-study
#2
Antonio Tursi, Marilisa Franceschi, Leonardo Allegretta, Edoardo Savarino, Rudi De Bastiani, Walter Elisei, Gianluca Baldassarre, Antonio Ferronato, Serena Scida, Chiara Miraglia, Antonio Penna, Claudio Licci, Giovanni Luca Rizzo, Giuseppe Pranzo, Claudio Cassieri, Giovanni Brandimarte, Marcello Picchio, Francesco Di Mario
BACKGROUND: Our aims were to assess the real life effectiveness and safety of the new bismuth-containing quadruple therapy in a large population of patients infected by Helicobacter pylori. METHODS: Consecutive dyspeptic H. pylori-positive patients were enrolled, both naïve for treatment and already unsuccessfully treated. Patients were treated with Pylera® 3 capsules 4 times/daily plus omeprazole 20 mg or esomeprazole 40 mg 2 times/daily for 10 days. Eradication was confirmed using a urea-breath test (at least 30 days after the end of the treatment)...
April 17, 2018: Digestive Diseases
https://www.readbyqxmd.com/read/29665126/prophylactic-therapy-with-omeprazole-for-prevention-of-equine-gastric-ulcer-syndrome-egus-in-horses-in-active-training-a-meta-analysis
#3
L V Mason, J R Moroney, R J Mason
BACKGROUND: Guidelines regarding the impact and value of prophylaxis or maintenance therapy in Equine Gastric Ulcer Syndrome (EGUS) are not well established or defined. The merits and the magnitude of effects of prophylaxis for spontaneous or recurrent squamous gastric ulceration in horses in training are uncertain. OBJECTIVES: To pool data from randomised controlled trials (RCTs) to eliminate reporting bias and evaluate the efficacy of prophylactic omeprazole in the prevention of EGUS in training horses, and secondarily to compare prophylactic dosages of omeprazole...
April 17, 2018: Equine Veterinary Journal
https://www.readbyqxmd.com/read/29660650/evidence-for-gastroprotective-anti-inflammatory-and-antioxidant-potential-of-methanolic-extract-of-cordia-dichotoma-leaves-on-indomethacin-and-stress-induced-gastric-lesions-in-wistar-rats
#4
Ketan Vinayakrao Hatware, Sanjay Sharma, Kiran Patil, Meghanath Shete, Sravani Karri, Gaurav Gupta
The Cordia dichotoma (CD) is having anticancer and other pharmacological effects as it contains mainly flavonoids. The present study was aimed to demonstrate the gastroprotective effect of methanolic extract of CD leaves (MECD) obtained using Soxhlet extractor. In this study the qualitative phytochemical analysis of MECD revealed the presence of bioflavonoids and determination of quercetin was confirmed by HPLC analysis. The MECD was administered orally at doses 50 mg/kg, 100 mg/kg and 200 mg/kg against indomethacin induced gastric ulceration and stress-induced gastric ulceration in Wistar rats...
April 13, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29656158/toxicogenetic-study-of-omeprazole-and-the-modulatory-effects-of-retinol-palmitate-and-ascorbic-acid-on-allium-cepa
#5
Antonio Lima Braga, Ag-Anne Pereira Melo de Meneses, José Victor de Oliveira Santos, Antonielly Campinho Dos Reis, Rosália Maria Tôrres de Lima, Ana Maria Oliveira Ferreira da Mata, Márcia Fernanda Correia Jardim Paz, Leane Brunelle Dos Santos Alves, Subrata Shaw, Shaikh Jamal Uddin, Razina Rouf, Asish Kumar Das, Shrabanti Dev, Manik Chandra Shil, Jamil A Shilpi, Ishaq N Khan, Muhammad Torequl Islam, Eunüs S Ali, Mohammad S Mubarak, Siddhartha Kumar Mishra, João Marcelo de Castro E Sousa, Ana Amélia de Carvalho Melo-Cavalcante
Omeprazole (OME) is a proton pump inhibitor used for the treatment of various gastric and intestinal disease; however, studies on its effects on the genetic materials are still restricted. The present study aimed to evaluate possible toxicogenic effects of OME in Allium cepa meristems with the application of cytogenetic biomarkers for DNA damage, mutagenic, toxic and cytotoxic effects. Additionally, retinol palmitate (RP) and ascorbic acid (AA) were also co-treated with OME to evaluate possible modulatory effects of OME-induced cytogenetic damages...
April 5, 2018: Chemosphere
https://www.readbyqxmd.com/read/29652033/the-effect-of-virulence-genotypes-of-helicobacter-pylori-on-eradication-therapy-in-children
#6
Shuang-Hong Zhang, Xuan Zhu, Bi-Min Li, Hong Li
Background/Aim: It is important to eradicate Helicobacter pylori at an early stage in patients during childhood to potentially prevent the development of H. pylori-related diseases. Studies have demonstrated that the virulence genotype of H. pylori influences the efficacy of eradication therapy. The efficacy of triple therapy has decreased significantly, which has seriously affected the clinical outcome of children with H. pylori infection. In this study we aimed to investigate the influence of virulence genotypes of H...
April 13, 2018: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/29651850/exploring-the-potential-of-a-global-emerging-contaminant-early-warning-network-through-the-use-of-retrospective-suspect-screening-with-high-resolution-mass-spectrometry
#7
Nikiforos A Alygizakis, Saer Samanipour, Juliane Hollender, María Ibáñez, Sarit Kaserzon, Varvara Kokkali, Jan A van Leerdam, Jochen F Mueller, Martijn Pijnappels, Malcolm J Reid, Emma L Schymanski, Jaroslav Slobodnik, Nikolaos S Thomaidis, Kevin V Thomas
A key challenge in the environmental and exposure sciences is to establish experimental evidence of the role of chemical exposure in human and environmental systems. High resolution and accurate tandem mass spectrometry (HRMS) is increasingly being used for the analysis of environmental samples. One lauded benefit of HRMS is the possibility to retrospectively process data for (previously omitted) compounds that has led to the archiving of HRMS data. Archived HRMS data affords the possibility of exploiting historical data to rapidly and effectively establish the temporal and spatial occurrence of newly identified contaminants through retrospective suspect screening...
April 13, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29643896/potential-drug-drug-interactions-among-patients-prescriptions-collected-from-medicine-out-patient-setting
#8
Riffat Farooqui, Talea Hoor, Nasim Karim, Mehtab Muneer
Objective: To identify and evaluate the frequency, severity, mechanism and common pairs of drug-drug interactions (DDIs) in prescriptions by consultants in medicine outpatient department. Methods: This cross sectional descriptive study was done by Pharmacology department of Bahria University Medical & Dental College (BUMDC) in medicine outpatient department (OPD) of a private hospital in Karachi from December 2015 to January 2016. A total of 220 prescriptions written by consultants were collected...
January 2018: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29622031/prevalence-of-drug-drug-interactions-in-geriatric-patients-at-an-ambulatory-care-pharmacy-in-a-tertiary-care-teaching-hospital
#9
Rawabi Aljadani, Mohammed Aseeri
OBJECTIVE: A cross-sectional study was performed from February to May 2015, to estimate the prevalence of drug-drug interactions in geriatric patients at the ambulatory care pharmacy at King Abdul-Aziz Medical City in Jeddah, Saudi Arabia. RESULTS: A total of 310 patients were included, with a mean age (± SD) of 73.78 ± 6.96, and 48.70% were female. The overall prevalence of DDIs of all categories was 90.64%. Category B DDIs was 55.80%, category C DDIs 87...
April 5, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29618712/cytochrome-p450-dependent-drug-oxidation-activities-in-commercially-available-hepatocytes-derived-from-human-induced-pluripotent-stem-cells-cultured-for-3-weeks
#10
Norie Murayama, Hiroshi Yamazaki
Hepatocyte-like cells differentiated from human induced pluripotent stem (iPS) cells are of great interest for applications in pharmacological research. For drug metabolism testing, commercially available hepatocytes derived from human iPS cells are generally recommended to be used 1 week after seeding on plates. In this study, however, after 3-4 weeks of culture according to the manufacturer's instructions, human cytochrome P450 (P450) 2C9- and 2C19-dependent diclofenac 4'-hydroxylation and omeprazole 5-hydroxylation activities of the iPS-derived hepatocytes had significantly increased above the activities at 1 week and had reached levels similar to those in HepaRG cells, a human hepatocyte-like cell line...
2018: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29608667/evaluation-of-a-hollow-fiber-liquid-phase-microextraction-technique-for-the-simultaneous-determination-of-ppi-drugs-in-human-plasma-by-lc-dad
#11
Rayta Paim Horta, Bianca do Amaral, Patricio Guillermo Peralta-Zamora, Bruno José Gonçalves Silva
This study involved the development, validation and application of a three-phase hollow-fiber liquid-phase microextraction (HF-LPME) and liquid chromatography with diode array detection (LC-DAD) method for the simultaneous determination of the proton pump inhibitor (PPI) drugs omeprazole, pantoprazole and lansoprazole in human plasma. The evaluation of the HF-LPME parameters was crucial for the determination of the drugs and the conditions selected were: 1-octanol as solvent; phosphate buffer at pH 5 as donor phase; borate buffer at pH 10 as acceptor phase; extraction time of 15 min; stirring at 750 rpm and NaCl was added at 5% (w/v)...
March 28, 2018: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/29607676/comparing-the-effect-of-psyllium-seed-on-gastroesophageal-reflux-disease-with-oral-omeprazole-in-patients-with-functional-constipation
#12
Mousalreza Hosseini, Roshanak Salari, Mina Akbari Rad, Maryam Salehi, Batul Birjandi, Masoumeh Salari
Gastroesophageal reflux disease (GERD) is one of the most common gastrointestinal diseases. Several studies have been carried out on the treatment of symptoms associated with GERD. The present study aimed to compare the effect of Psyllium seed and oral omeprazole on GERD in patients with functional constipation. In this trial, 132 patients were divided into 2 groups. The impact of omeprazole and Psyllium seed on the treatment and recurrence of GERD was studied. Among the patients, the rate of response to treatment was 89...
January 2018: Journal of evidence-based integrative medicine
https://www.readbyqxmd.com/read/29607517/amorphous-solid-dispersions-of-carvedilol-along-with-ph-modifiers-improved-pharmacokinetic-properties-under-hypochlorhydoria
#13
Shimul Halder, Aiko Tabata, Yoshiki Seto, Hideyuki Sato, Satomi Onoue
Carvedilol (CAR) belongs to biopharmaceutics classification system class-II drugs, with poor aqueous solubility and pH-dependent solubility. The present study aimed to develop a novel amorphous solid dispersion (ASD) of CAR with acidic counter ions for pH modifications in microenvironment to improve the pharmacokinetic properties under hypochlorhydric conditions. CAR-ASD was prepared by freeze-drying in combination with counter ions and hydroxypropyl cellulose, and their physicochemical properties including dissolution behavior, storage stability, and photostability were characterized...
April 2, 2018: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/29601438/proton-pump-inhibitors-and-infant-pneumonia-other-lower-respiratory-tract-infections-national-nested-case-control-study
#14
Mei-Ling Blank, Lianne Parkin, Jiaxu Zeng, David Barson
OBJECTIVE: The possible association between the use of proton pump inhibitors (PPIs) and community-acquired pneumonia (CAP) or any lower respiratory tract infection (LRTI) remains uncertain. We conducted a nested case-control study using routinely collected national health and drug dispensing data in New Zealand to examine the risk of CAP or any LRTI resulting in hospitalization or death in infants dispensed a PPI. STUDY DESIGN: The cohort included 21,991 patients without a history of CAP or any LRTI who were born between 1 January 2005 and 31 December 2012 and were dispensed omeprazole, lansoprazole, or pantoprazole (the PPIs available in New Zealand during the study period) on at least one occasion during the first year of life...
March 29, 2018: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29596646/new-single-capsule-of-bismuth-metronidazole-and-tetracycline-given-with-omeprazole-versus-quadruple-therapy-consisting-of-bismuth-omeprazole-amoxicillin-and-clarithromycin-for-eradication-of-helicobacter-pylori-in-duodenal-ulcer-patients-a-chinese-prospective
#15
Yong Xie, Xiaolin Pan, Yan Li, Huahong Wang, Yiqi Du, Jianming Xu, Jiangbin Wang, Zhirong Zeng, Ye Chen, Guoxin Zhang, Kaichun Wu, Dongsheng Liu, Nonghua Lv
Objectives: To assess the efficacy and safety of omeprazole given with the new single capsule of bismuth, metronidazole and tetracycline (OBMT) compared with quadruple treatment consisting of omeprazole, bismuth, amoxicillin and clarithromycin (OBAC) for Helicobacter pylori eradication in duodenal ulcer patients. Methods: This single-blind, randomized multicentre trial was conducted in 10 tertiary hospitals in China between January 2013 and April 2014. Patients were randomized to receive 10 days of OBMT therapy or 10 days of OBAC therapy...
March 27, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29582462/omeprazole-induced-hypertrichosis-in-two-children
#16
Marta Elosua-González, Minia Campos-Domínguez, Daniel Bancalari, Lucero Noguera-Morel, Angela Hernández-Martín, Jorge Huerta-Aragonés, Antonio Torrelo
Omeprazole significantly increases duodenal prostaglandin E2 synthesis. Prostaglandins are involved in hair growth regulation: prostaglandin E2 and prostaglandin F2 alpha stimulate hair growth, and prostaglandin D2 has an inhibitory effect. The use of omeprazole can cause acquired generalized hypertrichosis by increasing prostaglandin E2 levels.
March 26, 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29569771/identification-of-the-acid-induced-degradation-products-of-omeprazole-and-5-hydroxyomeprazole-by-high-resolution-mass-spectrometry
#17
J Roberts, M McNaughtan, J MacLachlan, C Hunter, O Pahl
RATIONALE: Omeprazole is used to treat gastric disorders and is one of the most commonly consumed drugs in the western world. It forms several metabolites but is mostly excreted unchanged and as 5-hydroxyomeprazole. Since omeprazole is widely prescribed, its excretion from the body has a potential environmental effect. After excretion it will enter the wastewater system and if not adequately removed during wastewater treatment will be discharged into rivers in the wastewater effluent...
March 23, 2018: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29564061/levofloxacin-based-vs-clarithromycin-based-sequential-therapy-in-helicobacter-pylori-eradication-a-randomized-clinical-trial
#18
Mosayeb Moradniani, Zohre Mirbeik-Sabzevari, Soleiman Jaferian, Shiva Shafiezadeh, Mohammad Javad Ehsani Ardakani, Mehrdad Mirzaee Roozbahany, Saleh Azadbakht, Hamidreza Sherkatolabbasieh
Aim: This study was aimed to evaluating the efficacy of levofloxacin based sequential therapy vs clarithromycin based sequential therapy in h.pylori (HP) eradication. Background: Several therapeutic regimen were investigated to treat HP infection. Sequential therapy is an alternative to classic triple therapy. Methods: In this randomized clinical trial, 200 HP infected patients randomly divided into two therapeutic groups .1-Levofloxacin based sequential regimen (group A); omeprazole and amoxicillin for 7days followed by omeprazole, amoxicillin and levofloxacin for 7days...
2018: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/29554952/in-vitro-comparative-quality-evaluation-of-different-brands-of-esomeprazole-tablets-available-in-selected-community-pharmacies-in-dhaka-bangladesh
#19
Oby Dulla, Sharifa Sultana, Md Shohag Hosen
OBJECTIVE: Esomeprazole is the S-isomer of omeprazole, used to treat gastro esophageal reflux disease. It is one of the widely manufactured and marketed drugs by many pharmaceutical companies in Bangladesh. The aim of the study is to compare the different physical parameters including hardness, friability, diameter, thickness, disintegration time, dissolution test and assay for quality evaluation and characterization of tablets of five different brands of Bangladeshi pharmaceutical company...
March 20, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29550976/development-of-a-simultaneous-lc-ms-ms-method-to-predict-in-vivo-drug-drug-interaction-in-mice
#20
Jung Jae Jo, Jun Hyun Jo, SunJoo Kim, Jae-Mok Lee, Sangkyu Lee
Cocktail substrates are useful in investigating drug-drug interactions (DDI) that can rapidly identify the cytochrome P450 (CYP) isoforms that interact with test drugs. In this study, we developed and validated five probe drugs for CYP1A, CYP2B, CYP2C, CYP2D, and CYP3A using LC-MS/MS to determine CYP activities in mice. The five probe substrates were caffeine (2 mg/kg), bupropion (30 mg/kg), omeprazole (4 mg/kg), dextromethorphan (40 mg/kg), and midazolam (2 mg/kg) for CYP1A, CYP2B, CYP2C, CYP2D, and CYP3A, respectively...
March 17, 2018: Archives of Pharmacal Research
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