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https://www.readbyqxmd.com/read/27909552/vonoprazan-20-mg-vs-lansoprazole-30-mg-for-endoscopic-submucosal-dissection-induced-gastric-ulcers
#1
Kazuya Takahashi, Yuichi Sato, Junji Kohisa, Jun Watanabe, Hiroki Sato, Kenichi Mizuno, Satoru Hashimoto, Shuji Terai
AIM: To compare the healing effects of vonoprazan and lansoprazole on gastric ulcers induced by endoscopic submucosal dissection (ESD). METHODS: Data were obtained from a total of 26 patients. Fourteen patients were randomized to the vonoprazan group and 12 were randomized to the lansoprazole group. Patients were administered either 20 mg vonoprazan or 30 mg lansoprazole per day after ESD. Endoscopic images just after ESD, on day 8, and on day 28 were used for the evaluation of the shrinking rate of ESD ulcers...
November 16, 2016: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27891632/randomised-clinical-trial-efficacy-and-safety-of-vonoprazan-vs-lansoprazole-in-patients-with-gastric-or-duodenal-ulcers-results-from-two-phase-3-non-inferiority-randomised-controlled-trials
#2
H Miwa, N Uedo, J Watari, Y Mori, Y Sakurai, Y Takanami, A Nishimura, T Tatsumi, N Sakaki
BACKGROUND: Vonoprazan is a new potassium-competitive acid blocker for treatment of acid-related diseases. AIM: To conduct two randomised-controlled trials, to evaluate the non-inferiority of vonoprazan vs. lansoprazole, a proton pump inhibitor, for treatment of gastric ulcer (GU) or duodenal ulcer (DU). METHODS: Patients aged ≥20 years with ≥1 endoscopically-confirmed GU or DU (≥5 mm white coating) were randomised 1:1 using double-dummy blinding to receive lansoprazole (30 mg) or vonoprazan (20 mg) for 8 (GU study) or 6 (DU study) weeks...
November 27, 2016: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27883262/phytochemicals-enhance-antioxidant-enzyme-expression-to-protect-against-nsaid-induced-oxidative-damage-of-the-gastrointestinal-mucosa
#3
REVIEW
Yu-Ting Cheng, Chi-Cheng Lu, Gow-Chin Yen
The gastrointestinal mucosa provides the first protective barrier for digested food and xenobiotics, which are easily attacked by toxic substances. Non-steroidal anti-inflammatory drugs (NSAIDs), including aspirin, diclofenac, indomethacin, and ketoprofen, are widely used in clinical medicine, but these drugs may cause oxidative stress, leading to gastrointestinal damage, such as ulcers. Lansoprazol, omeprazole, and other clinical drugs are widely used to treat duodenal and gastric ulcers and haven been shown to have multiple biological functions, such as antioxidant activity and the ability to upregulate antioxidant enzymes in vivo...
November 24, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27875029/decreased-activity-and-genetic-polymorphisms-of-cyp2c19-in-beh%C3%A3-et-s-disease
#4
Mustafa Tugrul Goktas, R Ozgur Karaca, Said Kalkisim, Lokman Cevik, Levent Kilic, Ali Akdogan, Melih O Babaoglu, Atilla Bozkurt, Leif Bertilsson, Umit Yasar
Behçet's disease (BD) is a systemic autoimmune disorder. Cytochrome P450 enzymes (CYPs) are responsible for various drug metabolism reactions as well as those of endogenous substances which may be associated with autoimmune disease susceptibility. Recently, we reported that in patients with BD, CYP2C9 seems to be down-regulated due to inflammation. In the same Turkish BD patients, we investigated whether also CYP2C19 activity is decreased. Lansoprazole (30 mg) was given as a probe drug to evaluate CYP2C19 activity in 59 patients with BD and 27 healthy control volunteers...
November 22, 2016: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27843960/addition-of-cranberry-to-proton-pump-inhibitor-based-triple-therapy-for-helicobacter-pylori-eradication
#5
Mohammadreza Seyyedmajidi, Anahita Ahmadi, Shahin Hajiebrahimi, Seyedali Seyedmajidi, Majid Rajabikashani, Mona Firoozabadi, Jamshid Vafaeimanesh
OBJECTIVE: Proton pump inhibitor-based triple therapy with two antibiotics for Helicobacter pylori eradication is widely accepted, but this combination fails in a considerable number of cases. Some studies have shown that cranberry inhibits the adhesion of a wide range of microbial pathogens, including H. pylori. The aim of this study was to assess the effect of cranberry on H. pylori eradication with a standard therapy including lansoprazole, clarithromycin, and amoxicillin (LCA) in patients with peptic ulcer disease (PUD)...
October 2016: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/27810240/gastroprotective-activity-of-synthetic-coumarins-role-of-endogenous-prostaglandins-nitric-oxide-non-protein-sulfhydryls-and-vanilloid-receptors
#6
Beatriz Sepulveda, Cristina Quispe, Mario Simirgiotis, Alfredo Torres-Benítez, Johanna Reyes-Ortíz, Carlos Areche, Olimpo García-Beltrán
Natural or synthetic coumarins showed gastroprotective and antiulcer activity in animal models. In this study, we have synthetized twenty coumarins using classic methods to evaluate their gastroprotective effects on the ethanol/HCl-induced gastric lesion model in mice at 20mg/kg. Among the coumarins synthetized, compounds 6 and 10 showed the greatest gastroprotective activity being as active as lansoprazole at 20mg/kg and reducing gastric lesions by 75 and 76%, respectively. Then, in a second experiment, compounds 6 and 10 were re-evaluated in order to understand the possible mode of gastroprotective activity...
October 22, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27797279/investigation-of-the-bioequivalence-of-two-lansoprazole-formulations-in-healthy-chinese-volunteers-after-a-single-oral-administration
#7
Yuhai Bian, Ming Zhong
The objective of this study was to compare two lansoprazole products (the reference brand enteric-coated capsules and the test generic enteric-coated tablets), and the key pharmacokinetic (PK) parameters for both formulations and their metabolites were assessed. The study used an open-label, randomized two-period crossover design with an 8-day washout period between doses in 24 healthy subjects under fasting conditions. The concentration of lansoprazole and its two metabolites was determined using liquid chromatography-tandem mass spectrometry (LC-MS/MS) method...
October 31, 2016: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/27782887/comparison-of-the-effects-of-esomeprazole-40-mg-rabeprazole-20-mg-lansoprazole-30-mg-and-pantoprazole-40-mg-on-intragastr%C3%A4-c-ph-in-extensive-metabolizer-patients-with-gastroesophageal-reflux-disease
#8
Altay Çelebi, Dinçer Aydın, Orhan Kocaman, Buğra Tolga Konduk, Ömer Şentürk, Sadetin Hülagü
BACKGROUND/AIMS: Studies on the therapeutic efficacy of proton pump inhibitors (PPIs) in patients with gastroesophageal reflux disease (GERD) have been recently published. In most of these studies, comparison of only two PPIs have been made. There are few studies on the comparison of four or more PPIs. We aimed to compare the acid inhibitory effects of esomeprazole 40 mg, rabeprazole 20 mg, lansoprazole 30 mg, and pantoprazole 40 mg on days 1 and 5 of treatment in patients with GERD, who were extensive metabolizers in regard to the CYP2C19 genotype...
September 2016: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/27769562/concomitant-bismuth-quadruple-and-14-day-triple-therapy-in-the-first-line-treatment-of-helicobacter-pylori-a-multicentre-open-label-randomised-trial
#9
Jyh-Ming Liou, Yu-Jen Fang, Chieh-Chang Chen, Ming-Jong Bair, Chi-Yang Chang, Yi-Chia Lee, Mei-Jyh Chen, Chien-Chuan Chen, Cheng-Hao Tseng, Yao-Chun Hsu, Ji-Yuh Lee, Tsung-Hua Yang, Jiing-Chyuan Luo, Chun-Chao Chang, Chi-Yi Chen, Po-Yueh Chen, Chia-Tung Shun, Wen-Feng Hsu, Wen-Hao Hu, Yen-Nien Chen, Bor-Shyang Sheu, Jaw-Town Lin, Jeng-Yih Wu, Emad M El-Omar, Ming-Shiang Wu
BACKGROUND: Whether concomitant therapy is superior to bismuth quadruple therapy or 14-day triple therapy for the first-line treatment of Helicobacter pylori infection remains poorly understood. We aimed to compare the efficacy and safety of 10-day concomitant therapy, 10-day bismuth quadruple therapy, and 14-day triple therapy in the first-line treatment of H pylori. METHODS: In this multicentre, open-label, randomised trial, we recruited adult patients (aged >20 years) with H pylori infection from nine medical centres in Taiwan...
November 12, 2016: Lancet
https://www.readbyqxmd.com/read/27748322/inefficacy-of-triple-therapy-and-comparison-of-two-different-bismuth-containing-quadruple-regimens-as-a-firstline-treatment-option-for-helicobacter-pylori
#10
Murat Kekilli, Ibrahim K Onal, Serkan Ocal, Zeynal Dogan, Alpaslan Tanoglu
BACKGROUND/AIM: Increasing resistance of Helicobacter pylori to antimicrobials necessitated the development of new regimens and the modification of existing regimens. The present study aimed to compare the efficacy of two bismuth-containing quadruple regimens-one including clarithromycin (C) instead of metronidazole (M) and triple therapy. PATIENTS AND METHODS: Patients with H. pylori infection given the following regimens were sequentially enrolled in this retrospective study: (1) Triple therapy: Lansoprazole 30 mg b...
September 2016: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/27737742/coupling-data-mining-and-laboratory-experiments-to-discover-drug-interactions-causing-qt-prolongation
#11
Tal Lorberbaum, Kevin J Sampson, Jeremy B Chang, Vivek Iyer, Raymond L Woosley, Robert S Kass, Nicholas P Tatonetti
BACKGROUND: QT interval-prolonging drug-drug interactions (QT-DDIs) may increase the risk of life-threatening arrhythmia. Despite guidelines for testing from regulatory agencies, these interactions are usually discovered after drugs are marketed and may go undiscovered for years. OBJECTIVES: Using a combination of adverse event reports, electronic health records (EHR), and laboratory experiments, the goal of this study was to develop a data-driven pipeline for discovering QT-DDIs...
October 18, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27733667/association-between-proton-pump-inhibitors-and-microscopic-colitis-implications-for-practice-and-future-research
#12
Ernest H Law, Melissa Badowski, Yu-Ting Hung, Kimberly Weems, Angelica Sanchez, Todd A Lee
OBJECTIVE: Microscopic colitis (MC) is a chronic inflammatory disease of the colon that is characterized by chronic, watery, nonbloody diarrhea. Concern regarding a potential association between proton-pump inhibitors (PPIs) and MC has recently emerged. We sought to systematically review and summarize the evidence for the potential association between PPIs and MC. DATA SOURCES: We systematically searched EMBASE, MEDLINE, Cochrane Database of Systematic Reviews, International Pharmaceutical Abstracts, and Google Scholar using the terms proton-pump inhibitors (omeprazole, lansoprazole, dexlansoprazole, rabeprazole, pantoprazole, or esomeprazole), microscopic colitis, collagenous colitis, and lymphocytic colitis STUDY SELECTION: Full-text, English-language reports of case reports/series, observational studies, experimental studies, and systematic reviews/meta-analyses published between January 2000 to August 2016 were included...
October 12, 2016: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/27683046/stereoselective-pharmacodynamics-and-pharmacokinetics-of-proton-pump-inhibitors
#13
REVIEW
Zhi-Cheng Yang, Feng Yu, Yong-Qing Wang, Ji-Fu Wei
BACKGROUND: Proton pump inhibitors (PPIs) are a group of gastric acid suppressing drugs, they work by irreversibly blocking the H+/K+ ATPase. The structure of PPIs is similar. They all have a similar core with a sulphur atom chiral center combined with different substituent groups. In relation to the sulphur atom chiral center, the pharmacodynamics, pharmacokinetics are diverse between the racemates and their stereoisomers. But there are no reviews outlining the stereoselective pharmacodynamics and pharmacokinetics in PPIs...
2016: Current Drug Metabolism
https://www.readbyqxmd.com/read/27670603/rescue-therapy-for-helicobacter-pylori-eradication-a-randomized-non-inferiority-trial-of-amoxicillin-or-tetracycline-in-bismuth-quadruple-therapy
#14
Qi Chen, Wei Zhang, Qingyan Fu, Xiao Liang, Wenzhong Liu, Shudong Xiao, Hong Lu
OBJECTIVES: To compare the efficacy and safety of bismuth-containing quadruple therapy with tetracycline or amoxicillin for rescue treatment of Helicobacter pylori. METHODS: The study was a non-inferiority trial of H. pylori eradication with at least two previous treatment failures. Subjects were randomized to receive 14-day therapy with b.i.d. lansoprazole 30 mg and bismuth 220 mg, plus metronidazole 400 mg q.i.d and amoxicillin 1 g t.i.d (amoxicillin group) or tetracycline 500 mg q...
September 27, 2016: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/27628584/pharmacokinetics-of-neratinib-during-coadministration-with-lansoprazole-in-healthy-subjects
#15
Kiana Keyvanjah, Daniel DiPrimeo, Ai Li, Mohammad Obaidi, Dennis Swearingen, Alvin Wong
AIMS: To evaluate the effect of lansoprazole, a proton-pump inhibitor, on the absorption, pharmacokinetics, and safety of neratinib, a pan-HER tyrosine kinase inhibitor, in healthy subjects. METHODS: This was an open-label, two-period, fixed-sequence study. Fifteen healthy adult subjects received a single oral dose of neratinib 240 mg (Period 1), followed by a washout period, then oral lansoprazole 30 mg once daily for 7 days and a single dose of neratinib 240 mg on Day 5 (Period 2)...
September 15, 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27540200/an-audit-of-whether-prescribed-doses-are-measurable-on-the-graduations-of-one-oral-syringe
#16
Jigna Balsara, Penny Fletcher
AIM: In paediatrics drugs are prescribed as mg/kg doses to facilitate accurate dosing. Anecdotally, some drugs are prescribed in such a way that the volume to be given is difficult to measure which may lead to inaccuracies and potential for error. Locally, errors have been reported where there has been a misunderstanding of the required dose, especially when decimal points are involved. This audit aimed to evaluate doses prescribed for in-patient children and evaluate whether they can be measured using the printed markings of one oral syringe...
September 2016: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/27539734/proton-pump-inhibitors-risk-for-myopathy
#17
Evan W Colmenares, Ashley L Pappas
OBJECTIVE: The purpose of this article is to describe the relationship between proton pump inhibitors (PPIs) and symptoms of myopathy based on case reports. DATA SOURCES: A literature search was conducted in PubMed (1946 to June 2016) using MeSH terms proton pump inhibitors, omeprazole, esomeprazole, lansoprazole, dexlansoprazole, rabeprazole, pantoprazole, and muscular diseases Additionally, a search was conducted in ToxNet and EMBASE using similar search criteria...
August 18, 2016: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/27535751/different-effects-of-lansoprazole-and-rabeprazole-on-the-plasma-voriconazole-trough-levels-in-allogeneic-hematopoietic-cell-transplant-recipients
#18
Takeo Yasu, Takaaki Konuma, Seiko Kato, Yosuke Kurokawa, Satoshi Takahashi, Arinobu Tojo
Voriconazole (VRC) is widely used as prophylaxis and in the treatment of invasive fungal disease (IFD) after allogeneic hematopoietic cell transplantation (HCT). We retrospectively examined the results of VRC therapeutic drug monitoring (TDM) in allogeneic HCT recipients. A total of 474 samples were obtained from 59 adult patients who received VRC during the first 100 days following HCT between 2009 and 2014 in our institute. Seventeen patients received VRC for prophylaxis of IFD, and 42 received VRC for the empirical or preemptive therapy for IFD...
October 2016: Annals of Hematology
https://www.readbyqxmd.com/read/27512080/combination-use-of-clopidogrel-and-proton-pump-inhibitors-increases-major-adverse-cardiovascular-events-in-patients-with-coronary-artery-disease-a-meta-analysis
#19
Qiang Niu, Zhongsu Wang, Yong Zhang, Jiangrong Wang, Pei Zhang, Cong Wang, Xiangcui Yin, Yinglong Hou
BACKGROUND: Published data indicated that combination use of clopidogrel and proton pump inhibitors (PPIs) may increase the incidence of major adverse cardiovascular events (MACEs). This has been a highly controversial topic for years. DESIGN: The present study was performed to evaluate whether combination therapy of clopidogrel and PPIs is associated with increased risk of MACEs than with clopidogrel alone in patients with coronary artery disease. METHODS: A systematic search of MEDLINE, EMBASE, and the Cochrane Library was conducted for studies recording the occurrence of MACEs in patients with exposure to concomitant use of clopidogrel and PPIs up to February 2015...
August 10, 2016: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27499436/new-inflammatory-parameters-in-laryngopharyngeal-reflux
#20
H Arslan, T Çandar, S Kuran, Ş H Akmansu, S Kocatürk
OBJECTIVES: To investigate new inflammatory markers in patients with laryngopharyngeal reflux and determine whether these inflammatory parameters change in response to laryngopharyngeal reflux treatment. METHODS: Complete blood count was evaluated to obtain platelet count and mean platelet volume and calculate neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio. Laryngopharyngeal reflux patients underwent three-month lansoprazole treatment. RESULTS: The study included 45 laryngopharyngeal reflux patients (9 men (20 per cent); mean age, 37...
September 2016: Journal of Laryngology and Otology
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