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https://www.readbyqxmd.com/read/28412091/lansoprazole-halts-contrast-induced-nephropathy-through-activation-of-nrf2-pathway-in-rats
#1
Sahar A Khaleel, Amany A Alzokaky, Nahed A Raslan, Asmaa I Alwakeel, Heba G Abd El-Aziz, Adel R Abd-Allah
Contrast-induced nephropathy (CIN) is an important cause of acute kidney injury characterized by significant mortality and morbidity. To date, there is no successful protective regimen for CIN especially in poor kidney function patients. Lansoprazole has been shown to exert antioxidant action through induction of nuclear factor-erythroid 2-related factor 2 (Nrf2) pathway. The aim of the present study is to investigate the potential of lansoprazole to activate Nrf2 pathway in the kidney and consequently to protect against oxidative stress induced by iodinated contrast media...
April 13, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28403034/national-study-of-off-label-proton-pump-inhibitor-use-among-new-zealand-infants-in-the-first-year-of-life-2005-2012
#2
Mei-Ling Blank, Lianne Parkin
OBJECTIVE: Off-label prescribing of proton pump inhibitors (PPIs) to infants to treat symptoms attributed to gastroesophageal reflux disease (GERD) is widely reported, despite evidence that PPIs are no more effective than placebo in relieving those symptoms. To initiate discussion about appropriate prescribing of these drugs for infants, we describe the characteristics of PPI use among infants in New Zealand. METHODS: In this population-based study we used routinely collected dispensing data to identify all children born between 2005 and 2012 who were dispensed a government-subsidized PPI (omeprazole, lansoprazole, pantoprazole) before their first birthday...
April 11, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28379012/phase-transfer-and-ion-pairing-catalysis-of-pentanidiums-and-bisguanidiniums
#3
Lili Zong, Choon-Hong Tan
Catalysts accelerate biological processes and organic reactions in a controlled and selective fashion. There are continuing efforts in asymmetric catalysis to develop efficient catalysts with broad reaction scope and industrial practicability. Among the various modes of asymmetric catalysis, phase-transfer catalysis has attracted intense interest due to its facile scale up and low catalyst loading. Chiral quaternary ammonium and phosphonium salts are well-studied classes of chiral phase-transfer catalysts, and they are typically composed of sp(3)-hybridized quaternary onium salts...
April 5, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28353592/the-effect-of-mdr1-c3435t-polymorphism-on-the-eradication-rate-of-h-pylori-infection-in-ppi-based-triple-therapy-a-meta-analysis
#4
Meng Li, Taijie Li, Shihui Guo, Hongjie Liang, Dunke Jiang
BACKGROUND: Several studies have reported that multidrug resistance gene 1 (MDR1) C3435T polymorphism was associated with the rate of Helicobacter pylori (H. pylori) eradication in proton pump inhibitor (PPI)-based triple therapy. However, the conclusions were inconsistent. Therefore, this meta-analysis was conducted to evaluate the impact of MDR1 C3435T polymorphism on H. pylori eradication by PPI-based triple therapy. METHODS: Seven eligible studies published up to August 2016 and including 1019 patients were identified by searching the Chinese Biomedical Literature database, Wan fang, PubMed, and the Web of Science electronic databases...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28349044/vonoprazan-based-regimen-is-more-useful-than-ppi-based-one-as-a-first-line-helicobacter-pylori-eradication-a-randomized-controlled-trial
#5
Masafumi Maruyama, Naoki Tanaka, Daisuke Kubota, Masayuki Miyajima, Takefumi Kimura, Koujiro Tokutake, Ryujiro Imai, Toru Fujisawa, Hiromitsu Mori, Yoshiaki Matsuda, Shuichi Wada, Akira Horiuchi, Kendo Kiyosawa
Background. A new agent, potassium-competitive acid blocker vonoprazan (VPZ) has potent acid-inhibitory effects and may offer advantages over conventional H. pylori eradication therapies. We aimed to compare the eradication rate between VPZ-based treatment and PPI-based one. Methods. This randomized controlled trial was designed to assign 141 patients with H. pylori-positive gastritis to VPZ group (VPZ 20 mg, amoxicillin 750 mg, and clarithromycin 200 or 400 mg twice daily for 7 days) or PPI group (rabeprazole 20 mg or lansoprazole 30 mg, amoxicillin 750 mg, and clarithromycin 200 or 400 mg twice daily for 7 days)...
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28340819/influence-of-proton-pump-inhibitors-on-mycophenolic-acid-pharmacokinetics-in-patients-with-renal-transplantation-and-the-relationship-with-cytochrome-2c19-gene-polymorphism
#6
H S Ciftci, M S Karadeniz, T Tefik, Y Caliskan, H Yazıcı, E Demir, A Turkmen, I Nane, F S Oguz, F Aydin
BACKGROUND: Most patients have serious digestive complications after renal transplantation. Therefore, it is important to protect gastrointestinal function to improve the survival rate of transplant patients. Proton pump inhibitors (PPIs) such as lansoprazole and rabeprazole are widely administered to renal transplant patients with mycophenolic acid (MPA) in the perioperative period. PPIs are metabolized by cytochrome (CYP) 2C19 enzymes. Mycophenolate sodium (MYF) and mycophenolate mofetil (MMF) have been used in immunosuppression...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28314392/combining-simplicity-with-cost-effectiveness-investigation-of-potential-counterfeit-of-proton-pump-inhibitors-through-simulated-formulations-using-thin-layer-chromatography
#7
Nejal M Bhatt, Vijay D Chavada, Mallika Sanyal, Pranav S Shrivastav
A simple, accurate and precise high-performance thin-layer chromatographic method has been developed and validated for the analysis of proton pump inhibitors (PPIs) and their co-formulated drugs, available as binary combination. Planar chromatographic separation was achieved using a single mobile phase comprising of toluene: iso-propranol: acetone: ammonia 5.0:2.3:2.5:0.2 (v/v/v/v) for the analysis of 14 analytes on aluminium-backed layer of silica gel 60 FG254. Densitometric determination of the separated spots was done at 290nm...
November 18, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28294071/safety-of-one-week-first-line-standard-triple-therapy-for-helicobacter-pylori-eradication-in-a-japanese-population
#8
Kazutoshi Hori, Tetsuya Takagawa, Nobuyuki Hida, Shiro Nakamura
BACKGROUND: Standard triple therapy with the proton pump inhibitors, clarithromycin and amoxicillin for Helicobacter pylori infection is considered to be safe; however, the development of significant adverse events (AEs), such as skin rashes, has been reported. OBJECTIVE: To reconfirm the safety of this treatment. METHODS: This was a retrospective cohort study. After the exclusion of patients allergic to penicillin, 322 consecutive patients, consisting of 305 outpatients and 17 inpatients, had received the first-line eradication treatment with lansoprazole (30 mg), clarithromycin (200 mg), and amoxicillin (750 mg) twice daily for 7 days...
March 9, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28291036/potential-mechanisms-of-hematological-adverse-drug-reactions-in-patients-receiving-clozapine-in-combination-with-proton-pump-inhibitors
#9
Michał Wiciński, Mateusz M Węclewicz, Mateusz Miętkiewicz, Bartosz Malinowski, Elżbieta Grześk, Joanna Klonowska
Clozapine is a second-generation antipsychotic which has proven efficacy in treating the symptoms of schizophrenia. Although clozapine therapy is associated with a number of adverse drug reactions, it is frequently used. One of the most common adverse drug reactions is gastroesophageal reflux disease which is an indication for treatment with proton pump inhibitors (PPIs). Coadministration of clozapine and PPIs increases the risk of hematological adverse drug reactions, including neutropenia and agranulocytosis...
March 2017: Journal of Psychiatric Practice
https://www.readbyqxmd.com/read/28258931/the-effects-of-paroxetine-and-amitriptyline-on-the-upper-esophageal-sphincter-ues-pressure-and-its-natural-history-in-globus-pharyngeus
#10
Wen-Cong Zhou, Lin Jia, Dong-Yun Chen, Yao Liu, Jing Liu, Shu-Man Jiang, Meng Yang, Jian Xu
BACKGROUND: Antidepressant agents have been shown to be an effective and safe treatment method for patients with globus. However, there are few clinical trials dedicated to studying the effects of antidepressant agents on the natural history and upper oesophageal sphincter (UES) pressure of treated globus patients. AIMS: To evaluate the effect of paroxetine and amitriptyline to prevent relapses in patients with globus, the simultaneous relationship between changes in UES pressure and improvement of globus symptoms were measured...
February 28, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28251024/petroselinum-crispum-is-effective-in-reducing-stress-induced-gastric-oxidative-damage
#11
Ayşin Akıncı, Mukaddes Eşrefoğlu, Elif Taşlıdere, Burhan Ateş
BACKGROUND: Oxidative stress has been shown to play a principal role in the pathogenesis of stress-induced gastric injury. Parsley (Petroselinum crispum) contains many antioxidants such as flavanoids, carotenoids and ascorbic acid. AIMS: In this study, the histopathological and biochemical results of nutrition with a parsley-rich diet in terms of eliminating stress-induced oxidative gastric injury were evaluated. STUDY DESIGN: Animal experimentation...
January 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28216974/comparative-study-vonoprazan-and-proton-pump-inhibitors-in-helicobacter-pylori-eradication-therapy
#12
Kouichi Sakurai, Hiroko Suda, Yumi Ido, Takayuki Takeichi, Ayako Okuda, Kiwamu Hasuda, Masahiro Hattori
AIM: To compare the effectiveness and safety of vonoprazan-based therapy with proton pump inhibitor (PPI)-based therapies to treat Helicobacter pylori (H. pylori). METHODS: We retrospectively analysed data from first-line (vonoprazan or PPI with 200 mg clarithromycin and 750 mg amoxicillin twice daily for 7 d) (n = 1353) and second-line (vonoprazan or PPI with 250 mg metronidazole and 750 mg amoxicillin twice daily for 7 d) (n = 261) eradication treatments for H...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28203282/the-role-of-dexlansoprazole-modified-release-in-the-management-of-gastroesophageal-reflux-disease
#13
REVIEW
Ronnie Fass, Rosita Frazier
Dexlansoprazole modified-release (MR) is the R-enantiomer of lansoprazole and is currently the only proton-pump inhibitor (PPI) with a novel dual delayed release (DDR) formulation. Overall, dexlansoprazole MR demonstrates a similar safety and side-effect profile as lansoprazole. Dexlansoprazole MR has been shown to be highly efficacious in healing erosive esophagitis, maintaining healed esophageal mucosa in patients with erosive esophagitis and controlling symptoms of patients with nonerosive reflux disease (NERD)...
February 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28197557/doubly-charged-trimeric-cluster-ions-effective-in-mutual-chiral-recognition-of-tadalafil-and-three-proton-pump-inhibitors
#14
Lu Wang, Yunfeng Chai, Wenquan Zhu, Yuanjiang Pan, Cuirong Sun, Su Zeng
Mutual chiral recognition of four stereoisomers of tadalafil and three pairs of enantiomers of proton pump inhibitors (PPIs) including pantoprazole, lansoprazole, and omeprazole, as well as quantitative analysis of enantiomeric excess is achieved on the basis of the competitive fragmentation of doubly charged trimeric Ni(II) cluster ions. Compared with a singly charged trimeric cluster ion, a doubly charged trimeric cluster ion was proved efficient in the recognition of chiral drugs with one or multiple chiral centers, due to its rich fragmentation ions...
February 15, 2017: Analyst
https://www.readbyqxmd.com/read/28159656/influence-of-different-proton-pump-inhibitors-on-the-pharmacokinetics-of-voriconazole
#15
Fang Qi, Liqin Zhu, Na Li, Tingyue Ge, Gaoqi Xu, Shasha Liao
This study aimed to determine the influence of proton pump inhibitors (PPIs) on the pharmacokinetics of voriconazole and to characterise potential drug-drug interactions (DDIs) between voriconazole and various PPIs (omeprazole, esomeprazole, lansoprazole and rabeprazole). Using adjusted physicochemical data and the pharmacokinetic (PK) parameters of voriconazole and PPIs, physiologically based pharmacokinetic (PBPK) models were built and were verified in healthy subjects using GastroPlus(TM) to predict the plasma concentration-time profiles of voriconazole and PPIs...
April 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28139495/efficacy-of-proton-pump-inhibitors-for-patients-with-duodenal-ulcers-a-pairwise-and-network-meta-analysis-of-randomized-controlled-trials
#16
REVIEW
Zhan-Hong Hu, Ai-Ming Shi, Duan-Min Hu, Jun-Jie Bao
BACKGROUND/AIM: To compare the efficacy and tolerance of different proton pump inhibitors (PPIs) in different doses for patients with duodenal ulcers. MATERIALS AND METHODS: An electronic database was searched to collect all randomized clinical trials (RCTs), and a pairwise and network meta-analysis were performed. RESULTS: A total of 24 RCTs involving 6188 patients were included. The network meta-analysis showed that there were no significant differences for the 4-week healing rate of duodenal ulcer treated with different PPI regimens except pantoprazle 40 mg/d versus lansoprazole 15 mg/d [Relative risk (RR) = 3...
January 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/28138748/safety-tolerability-pharmacokinetics-and-pharmacodynamics-of-dexlansoprazole-injection-in-healthy-chinese-subjects
#17
Yue-Qi Li, Zheng-Yu Yan, Hong-Wen Zhang, Lu-Ning Sun, Hui-Wen Jiao, Mei-Feng Wang, Li-Yuan Yu, Lei Yu, Zi-Qing-Yun Yuan, Ling Meng, Yong-Qing Wang
PURPOSE: This study was conducted to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of dexlansoprazole injection in healthy subjects. METHODS: Dexlansoprazole (20-90 mg) or lansoprazole (30 mg) was administrated intravenously to healthy male and female volunteers. All the subjects were sampled for pharmacokinetic (PK) analysis and 64 of them were monitored for 24-h intragastric pH prior to and after administration in the pharmacodynamic (PD) study...
January 31, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28110633/h-k-atpase-inhibition-causes-left-right-aortic-arch-inversion-in-mouse-development
#18
Yukihisa Miyachi
An organ known as a "node" forms during embryogenesis and plays a vital role in determining laterality in vertebrates. However, according to some reports in vertebrates, left-right patterning may be determined long before the node has developed. In this study, we analyzed left-right asymmetry formation in mammals based on ion-signaling factors, which has never been attempted before. First, a proton pump inhibitor was injected into pregnant mice to investigate whether H(+)/K(+)-ATPase is involved in the differentiation of pharyngeal arch arteries during embryonic development...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28088896/formulation-and-optimization-of-lansoprazole-pellets-using-factorial-design-prepared-by-extrusion-spheronization-technique-using-carboxymethyl-tamarind-kernel-powder
#19
Sagar Sopanrao Muley, Tanaji Nandgude, Sushilkumar Poddar
BACKGROUND: In the present study, Lansoprazole pellets were prepared employing a novel excipient Carboxymethyl tamarind kernel powder (CMTKP) using extrusion-spheronization technique. Pellet formulation was optimized for formulation parameters (concentration of microcrystalline cellulose, CMTKP, croscarmellose sodium and isopropyl alcohol). METHODS: Process parameters (speed and duration of spheronization) were optimized using factorial design. The pellets were evaluated for yield, bulk and tapped density, particle size, hardness, drug content, disintegration time and drug release...
January 13, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28039570/different-transcriptional-profiling-between-senescent-and-non-senescent-human-coronary-artery-endothelial-cells-hcaecs-by-omeprazole-and-lansoprazole-treatment
#20
Laura Costarelli, Robertina Giacconi, Marco Malavolta, Andrea Basso, Francesco Piacenza, Mauro Provinciali, Marcello G Maggio, Andrea Corsonello, Fabrizia Lattanzio
Recent evidence suggests that high dose and/or long term use of proton pump inhibitors (PPIs) may increase the risk of adverse cardiovascular events in older patients, but mechanisms underlying these detrimental effects are not known. Taking into account that the senescent endothelial cells have been implicated in the genesis or promotion of age-related cardiovascular disease, we hypothesized an active role of PPIs in senescent cells. The aim of this study is to investigate the changes in gene expression occurring in senescent and non-senescent human coronary artery endothelial cells (HCAECs) following Omeprazole (OPZ) or Lansoprazole (LPZ) treatment...
December 30, 2016: Biogerontology
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