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https://www.readbyqxmd.com/read/28808886/assessment-of-pharmacokinetic-interactions-between-obeticholic-acid-and-caffeine-midazolam-warfarin-dextromethorphan-omeprazole-rosuvastatin-and-digoxin-in-phase-1-studies-in-healthy-subjects
#1
Jeffrey E Edwards, Lise Eliot, Andrew Parkinson, Sharon Karan, Leigh MacConell
INTRODUCTION: Obeticholic acid (OCA), a potent and selective farnesoid X receptor agonist, is indicated for the treatment of primary biliary cholangitis (PBC). We investigated the potential drug-drug interaction effect of OCA on metabolic CYP450 enzymes and drug transporters. METHODS: Five phase 1 single-center, open-label, fixed-sequence, inpatient studies were conducted in healthy adult subjects to evaluate the effect of oral daily doses of 10 or 25 mg OCA on single-dose plasma pharmacokinetics of specific probe substrates for enzymes CYP1A2 (caffeine, R-warfarin), CYP3A (midazolam, R-warfarin), CYP2C9 (S-warfarin), CYP2D6 (dextromethorphan), CYP2C19 (omeprazole), and drug transporters, BCRP/OATP1B1/OATP1B3 (rosuvastatin), and P-gp (digoxin)...
August 14, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28806973/protective-effects-of-orange-citrus-sinensis-l-peel-aqueous-extract-and-hesperidin-on-oxidative-stress-and-peptic-ulcer-induced-by-alcohol-in-rat
#2
Slimen Selmi, Kais Rtibi, Dhekra Grami, Hichem Sebai, Lamjed Marzouki
BACKGROUND: Massive alcohol drinking can lead to gastric ulcer. In the present study we investigated the gastroprotective effect of Citrus sinensis peel aqueous extract (CSPE) and Hesperidin (H) in ethanol (EtOH) induced oxidative stress and peptic ulcer in rats. METHODS: Seventy adult male Wistar rats were divided into seven groups of 10 each: control, EtOH (4 g/kg b.w.), EtOH + various doses of CSPE (100, 200 and 400 mg/kg, b.w.), EtOH + Hesperidin (50 mg/kg, p...
August 14, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28803655/usefulness-of-pa32540-in-protecting-the-gastric-layer-while-providing-secondary-prevention-for-coronary-artery-disease
#3
REVIEW
Deepthi Kagolanu, Najia Sayedy, Syed Haseeb, Shivani Shah, Paul Lam, Swapna Munnangi, Prakash Viswanathan, Kent Stephenson
Aspirin has been the mainstay for secondary prevention of coronary artery disease to decrease early recurrence and severity of recurrent cardiovascular events. However, an increase in gastrointestinal bleeding due to aspirin is preventing many patients from adhering to this daily regimen. PA32540, a combination pill with aspirin and omeprazole, is a newly emerging intervention that has the potential to reinforce patient compliance with the aspirin regimen due to fewer gastrointestinal adverse effects. This systematic review assessed three recent phase 3 clinical trials investigating the safety and efficacy of PA32540...
July 14, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28801980/effects-of-proton-pump-inhibitors-and-famotidine-on-elimination-of-plasma-methotrexate-evaluation-of-drug-drug-interactions-mediated-by-organic-anion-transporter-3
#4
Katsuya Narumi, Yu Sato, Masaki Kobayashi, Ayako Furugen, Kumiko Kasashi, Takehiro Yamada, Takanori Teshima, Ken Iseki
Methotrexate (MTX) is an antifolate agent used in the treatment of numerous types of cancer, and eliminated by active tubular secretion via organic anion transporter 3 (OAT3). Gastric antisecretory drugs, such as proton pump inhibitors (PPIs) and histamine H2 receptor antagonists, are widely used among patients with cancer in clinical practice. The aim of the present study was to analyze the potential drug-drug interactions between MTX and gastric antisecretory drugs in high-dose MTX (HD-MTX) therapy. We retrospectively analyzed the impact of PPIs on the plasma MTX concentration on 73 cycles of HD-MTX therapy performed in 43 patients...
August 12, 2017: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/28800409/cytotoxic-effects-of-the-proton-pump-inhibitor-omeprazole-on-the-non-target-marine-microalga-tetraselmis-suecica
#5
Marta Seoane, Marta Esperanza, Ángeles Cid
Omeprazole (OMP) is one of the most commonly used drugs for the treatment of gastro-intestinal disorders. Although it is daily consumed in high quantities and commonly detected in waters worldwide, relatively little is known about its ecotoxicity. The aim of this study was to evaluate the potential acute toxicity of increasing concentrations of OMP on the marine microalga Tetraselmis suecica analysing several cytotoxicity biomarkers by flow cytometry after 24h of exposure. Results showed that OMP caused a decrease in growth and autofluorescence, an increase in cellular volume and intracellular complexity, hyperpolarization of cytoplasmic and mitochondrial membranes and intracellular acidification...
August 2, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28798383/novel-giardicidal-compounds-bearing-proton-pump-inhibitor-scaffold-proceeding-through-triosephosphate-isomerase-inactivation
#6
B Hernández-Ochoa, G Navarrete-Vázquez, C Nava-Zuazo, A Castillo-Villanueva, S T Méndez, A Torres-Arroyo, S Gómez-Manzo, J Marcial-Quino, M Ponce-Macotela, Y Rufino-González, M Martínez-Gordillo, G Palencia-Hernández, N Esturau-Escofet, E Calderon-Jaimes, J Oria-Hernández, H Reyes-Vivas
Giardiasis is a worldwide parasitic disease that affects mainly children and immunosuppressed people. Side effects and the emergence of resistance over current used drugs make imperative looking for new antiparasitics through discovering of new biological targets and designing of novel drugs. Recently, it has determined that gastric proton-pump inhibitors (PPI) have anti-giardiasic activity. The glycolytic enzyme, triosephosphate isomerase (GlTIM), is one of its potential targets. Therefore, we employed the scaffold of PPI to design new compounds aimed to increase their antigiardial capacity by inactivating GlTIM...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28780968/efficacy-and-safety-of-rifaximin-associated-with-standard-triple-therapy-omeprazole-clarithromycin-and-amoxicillin-for-h-pylori-eradication-a-phase-iv-pilot-clinical-trial
#7
Mercedes Ramas, Maria G Donday, Adrian G McNicholl, Javier P Gisbert
BACKGROUND: A progressive decrease in Helicobacter pylori eradication rates has been described over the years, driving the need for new antibiotic treatments. AIM: To evaluate the efficacy and safety of the addition of rifaximin (Spiraxin(®)) to standard triple therapy (omeprazole, amoxicillin and clarithromycin) for the eradication of H. pylori. METHODS: Independent prospective clinical trial (EUDRACT no.: 2013-001080-23). Forty consecutive adult patients were included with H...
August 3, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28780229/the-effects-of-helicobacter-pylori-eradication-on-modification-of-metabolic-syndrome-parameters-in-patients-with-functional-dyspepsia
#8
Marjan Mokhtare, Hosna Mirfakhraee, Mahmoud Arshad, Seyed Hossein Samadani Fard, Mansour Bahardoust, Alireza Movahed, Mohsen Masoodi
BACKGROUND: Helicobactor pylori (H. pylori) have the potential role in the pathogenesis of various extra-gastric disorders such as metabolic disorders. But, it is now questioned about whether H. pylori eradication reduces or induces the risk for metabolic disorders especially in patients with dyspepsia. Hence, the present study aimed to assess the effects of H. pylori eradication on criteria of metabolic syndrome. METHODS: H. pylori infected patients with dyspepsia were included...
July 27, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28769943/a-benzimidazole-proton-pump-inhibitor-increases-growth-and-tolerance-to-salt-stress-in-tomato
#9
Michael J Van Oosten, Silvia Silletti, Gianpiero Guida, Valerio Cirillo, Emilio Di Stasio, Petronia Carillo, Pasqualina Woodrow, Albino Maggio, Giampaolo Raimondi
Pre-treatment of tomato plants with micromolar concentrations of omeprazole (OP), a benzimidazole proton pump inhibitor in mammalian systems, improves plant growth in terms of fresh weight of shoot and roots by 49 and 55% and dry weight by 54 and 105% under salt stress conditions (200 mM NaCl), respectively. Assessment of gas exchange, ion distribution, and gene expression profile in different organs strongly indicates that OP interferes with key components of the stress adaptation machinery, including hormonal control of root development (improving length and branching), protection of the photosynthetic system (improving quantum yield of photosystem II) and regulation of ion homeostasis (improving the K(+):Na(+) ratio in leaves and roots)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28761894/gastric-pneumatosis-from-isolated-gastric-calciphylaxis
#10
Aditi Mulgund, Sanam Razeghi, Sampath Poreddy
A 58-year-old man with end-stage renal disease presented with hypotension and emesis, pale conjunctivae, and a distended abdomen. Labs revealed hypercalcemia and leukocytosis. Abdominal imaging showed gastric pneumatosis. Endoscopy demonstrated significant hemorrhage and necrosis in the gastric cardia and fundus. Biopsies revealed acute ulcerative gastritis and focal intravascular calcium phosphate crystals. The patient remained nil per os and was placed on omeprazole and sucralfate. Repeat endoscopy demonstrated mucosal healing...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28746225/ulcerative-colitis-with-acute-pleurisy-a-case-report-and-review-of-the-literature
#11
REVIEW
Shuming Lu, Lihua Wang, Weisheng Zhang, Zhuqing Zhang, Lina Liu, Yingde Wang, Hua Meng
RATIONALE: Inflammatory bowel diseases (IBD), including ulcerative colitis (UC) and Crohn's disease, are associated with a large number of extraintestinal manifestations. Pulmonary manifestations are infrequently seen in patients with IBD. Moreover, serositis including pleural and pericardial manifestations in UC is rare. PATIENT CONCERNS: We report a case of UC with acute pleurisy in a 43-year-old man; review literature; and discuss the diagnosis, differential diagnosis, and treatment...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28738738/a-pilot-study-comparing-the-effect-of-orally-administered-esomeprazole-and-omeprazole-on-gastric-fluid-ph-in-horses
#12
K E Huxford, A J Dart, N R Perkins, R Bell, L B Jeffcott
AIMS: To compare the efficacy of an enteric coated esomeprazole paste with an enteric coated omeprazole paste to increase gastric pH after oral administration in horses. METHODS: Nine adult Standardbred horses were randomly assigned to three groups, each containing three horses, for a study comprising three phases of 10 days, with an 18-day washout period between each phase. In each phase, three horses received either 0.5 mg/kg esomeprazole, 1 mg/kg omeprazole or a placebo, as an oral paste, once daily for 10 days (Days 0-9)...
July 24, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28735449/therapy-with-omeprazole-modulates-regulatory-t-cell-t-helper-17-immune-response-in-children-with-duodenal-ulcers
#13
Chuan-Ying Li, Cheng Wu
The purpose of this study was to determine the effect of omeprazole on the regulatory T cell (Treg) and T helper 17 (Th17)-mediated response in patients with duodenal ulcers (DUs). DU patients were randomly divided into omeprazole and colloid bismuth subcitrate treatment groups. The ratios of Th17 and Treg in peripheral blood mononuclear cells (PBMCs) were measured. Cytokine production and Foxp3(+)- and RORγt-positive cells were detected. The expressions of STAT3, p-STAT3, STAT5 and p-STAT5 were detected by Western blot...
July 22, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28728257/-eosinophilic-esophagitis-in-children-analysis-of-22-cases
#14
M F Sun, W Z Gu, K R Peng, M N Liu, X L Shu, L Q Jiang, M Z Jiang
Objective: Eosinophilic esophagitis (EoE) is a chronic immune-mediated esophageal disease.The current domestic reports of EoE in children is rare.The aim of this study was to analyze the clinical features, the diagnosis and treatment advance of EoE in children by case analysis and literature review. Method: Clinical data of 22 children with EoE from January, 2011 to December, 2015 in Children's Hospital, Zhejiang University School of Medicine were recorded, retrospective analysis was performed on clinical presentation, gastroendoscopy and histopathological examination features and the treatment...
July 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28724036/clinical-pharmacology-profile-of-care-in-hepatology-clinic
#15
Talita Rocha Passos, Fabiana Silva Santos, Maria Cleusa Martins, Vanusa Barbosa Pinto, Flair José Carrilho, Suzane Kioko Ono
Since 2010, the Clinical Gastroenterology and Hepatology Division of the Central Institute of Hospital das Clínicas of the University of São Paulo Medical School (HC-FMUSP, in the Portuguese acronym) has been developing specialized electives assistance activities in the Outpatient Specialty Clinic, Secondary Level, in São Paulo NGA-63 Várzea do Carmo. The objective of this study was to analyze the pharmacotherapeutic profile of patients. This is a cross-sectional and retrospective study in which patients were seen at the Hepatology sector and the results were submitted to descriptive statistics...
May 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28717077/gastric-hyperplastic-polyps-associated-with-proton-pump-inhibitor-use-in-a-case-without-a-history-of-helicobacter-pylori-infection
#16
Shuichi Miyamoto, Mototsugu Kato, Kana Matsuda, Satoshi Abiko, Momoko Tsuda, Takeshi Mizushima, Keiko Yamamoto, Shoko Ono, Takahiko Kudo, Yuichi Shimizu, Kanako C Hatanaka, Izumi Tsunematsu, Naoya Sakamoto
A 56-year-old man with gastroesophageal reflux disease (GERD) was referred to our hospital. Esophagogastroduodenoscopy (EGD) revealed no evidence of any polypoid lesions in the stomach, and the patient had no history of Helicobacter pylori infection. He received omeprazole (20 mg) once daily for the GERD. EGD was performed at 1 year after the start of omeprazole administration, and this time, gastric hyperplastic polyps (GHPs) were detected. The GHPs increased in size as the omeprazole treatment continued, but they markedly decreased in size following omeprazole discontinuation...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28716993/low-soluble-fms-like-tyrosine-kinase-1-endoglin-and-endothelin-1-levels-in-women-with-confirmed-or-suspected-preeclampsia-using-proton-pump-inhibitors
#17
Langeza Saleh, Raaho Samantar, Ingrid M Garrelds, Anton H van den Meiracker, Willy Visser, A H Jan Danser
Patients with preeclampsia display elevated placenta-derived sFlt-1 (soluble Fms-like tyrosine kinase-1) and endoglin levels and decreased placental growth factor levels. Proton pump inhibitors (PPIs) decrease trophoblast sFlt-1 and endoglin secretion in vitro. PPIs are used during pregnancy to combat reflux disease. Here, we investigated whether PPIs affect sFlt-1 in women with confirmed/suspected preeclampsia, making use of a prospective cohort study involving 430 women. Of these women, 40 took PPIs (6 esomeprazole, 32 omeprazole, and 2 pantoprazole) for 8 to 45 (median 29) days before sFlt-1 measurement...
July 17, 2017: Hypertension
https://www.readbyqxmd.com/read/28709127/chemometrically-assisted-development-and-validation-of-lc-ms-ms-method-for-the-analysis-of-potential-genotoxic-impurities-in-meropenem-active-pharmaceutical-ingredient
#18
Katerina Grigori, Yannis L Loukas, Anđelija Malenović, Vicky Samara, Anastasia Kalaskani, Efi Dimovasili, Magda Kalovidouri, Yannis Dotsikas
A sensitive Liquid Chromatography tandem mass spectrometry (LC-MS/MS) method was developed and validated for the quantitative analysis of three potential genotoxic impurities (318BP, M9, S5) in meropenem Active Pharmaceutical Ingredient (API). Due to the requirement for LOD values in ppb range, a high concentration of meropenem API (30mg/mL) had to be injected. Therefore, efficient determination of meropenem from its impurities became a critical aim of this study, in order to divert meropenem to waste, via a switching valve...
June 29, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28706400/hybrid-therapy-versus-sequential-therapy-for-eradication-of-helicobacter-pylori-a-randomized-controlled-trial
#19
Sahoo Ashokkumar, Sonia Agrawal, Jharna Mandal, Sathasivam Sureshkumar, Gubbi Shamanna Sreenath, Vikram Kate
OBJECTIVE: To compare the sequential therapy (ST) with the hybrid therapy (HT) for the eradication of Helicobacter pylori. MATERIALS AND METHODS: Patients with peptic ulcer disease and gastritis found to be H. pylori positive were randomized to HT group who received omeprazole (20 mg bid) and amoxicillin (1 g bid) for 7 days followed by omeprazole (20 mg bid), amoxicillin (1 g bid), clarithromycin (500 mg bid), and metronidazole (400 mg tid) for the next 7 days and ST group who received omeprazole and amoxicillin for 5 days followed by omeprazole, clarithromycin, and metronidazole for the next 5 days...
April 2017: Journal of Pharmacology & Pharmacotherapeutics
https://www.readbyqxmd.com/read/28702150/adding-ofloxacin-to-standard-triple-drug-regimens-increased-the-helicobacter-pylori-eradication-rate-data-from-randomized-clinical-trial
#20
Mahmoud Sadeghi-Hadad-Zavareh, Seyyedsaeid Mohammadi, Mahmoud Hajiahmadi, Mostafa Javanian, Masoomeh Habibian
BACKGROUND: The rate of Helicobacter pylori (H.pylori) eradication in dyspeptic patients using bismuth- based triple therapy is low due to bacterial that are resistant to antibiotics. The results of recent studies regarding levofloxacin have been encouraging, but the high cost of treatment prevents its routine administration. We, therefore, performed the present double-blind clinical trial to compare the efficiency of quadruple-drug regimen containing ofloxacin, clarithromycin, amoxicillin, and omeprazole and the same standard triple-therapy regimen minus ofloxacin in H...
2017: Caspian Journal of Internal Medicine
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