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In 15 Helicobacter pylori-negative healthy volunteers, we measured intragastric pH after 7 days of pre- and postprandial administrations of rabeprazole (10 mg) or esomeprazole (20 mg) using a 5-way crossover design.
Proton pump inhibitors (PPIs) are the most effective agents available for reducing acid secretion. They are used for medical treatment of various acid-related disorders. PPIs are used extensively and for extended periods of time in gastroesophageal reflux disease (GERD). A troublesome issue regarding maintenance therapy has been the propensity of PPI-treated patients to develop chronic atrophic gastritis while on therapy that could theoretically lead to an increased incidence of gastric cancer. In addition, animal studies have raised concern for development of enterochromaffin-like cell hyperplasia and carcinoid tumors in the stomachs of mice receiving high dose PPIs. Current literature does not provide a clear-cut conclusion on the subject and the reports are sometimes contradictory. Therefore, this study is a systematic review of the available literature to address the safety of long-term PPI use and its relation to the development of malignant/premalignant gastric lesions.
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In contrast to the reported negative omeprazole-clopidogrel drug interaction, the intake of pantoprazole or esomeprazole is not associated with impaired response to clopidogrel.
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English medical literature searches were conducted for regimens including doxycycline for eradication of H. pylori. Searches were performed up to August 31, 2015, using MEDLINE, PubMed, EMBASE, Scopus and CENTRAL. Meta-analysis was performed by using comprehensive meta-analysis software. Pooled ORs and 95% CIs were calculated comparing treatment regimens for eradication of H. pylori infection with and without doxycycline.
This study estimates the influence of medical specialists on new drug prescribing in primary care shortly after market introduction. The influence of medical specialists on prescribing of five new drugs was measured in a cohort of 103 GPs, working in 59 practices, over the period 1999 until 2003. The influence of medical specialists on new drug prescribing in primary care was assessed using three outcome measures. Firstly, the proportion of patients receiving their first prescription for a new or reference drug from a specialist. Secondly, the proportion of GPs prescribing new drugs before any specialist prescribes to their patients. Thirdly, we compared the time until the GP's first own prescribing between GPs who waited for prescriptions from specialists and those who did not.
Unpublished data from two double-blind, double-dummy, placebo-controlled trials in which patients aged ≥ 50 years with knee OA were randomized to NAP/ESO (n = 487), CEL (n = 486) or placebo (n = 246) were pooled (NCT00664560 and NCT00665431). Acute response endpoints: 1) Time to first significant pain response, 2) Western Ontario and McMaster Osteoarthritis Index (WOMAC) pain subscale and 3) American Pain Society Patient Outcome Questionnaire (APS-POQ) scores. Sustainability endpoints: 1) Routine Assessment of Patient Index Data (RAPID3) and 2) WOMAC Stiffness, Pain and Total scores; and Patient Global Assessment (PGA) at 6 and 12 weeks. Effect sizes for all measures were calculated. Rescue pain medication use also was analyzed, as was the correlation of WOMAC to RAPID3.
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Fourteen-day hybrid sequential-concomitant therapy achieved > 95%H. pylori eradication (Grade A result). Further studies are needed 1, in regions with different patterns and frequencies of resistance to confirm these findings, and 2, to examine whether Grade A success is maintained with hybrid therapy shorter than 14 days.
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Noninferiority of pantoprazole versus esomeprazole during treatment was shown (mean ReQuest-GI score). During the posttreatment period, the proportion of patients experiencing a symptomatic relapse (51 vs. 61%, p = 0.0216, ITT) and the number of symptom episodes (0.56 vs. 0.74, p = 0.0095, ITT) were significantly lower on pantoprazole than on esomeprazole.
The baseline characteristics did not differ significantly between the two groups except age and sex. Stage S1 disease was observed in 27.6% and 38.7% of patients after 4 weeks of treatment in the group E and O, respectively. In large-sized artificial ulcers, the healing rate of stage S1 in group E is significantly higher than that in group O in 4 weeks.(25% VS 0%:P = 0.02).
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Proton pump inhibitors are used at different dosages for the treatment of acid-related gastrointestinal disorders, such as gastro-oesophaeal reflux and peptic ulcer disease. Comparisons of four different proton pump inhibitors: lansoprazole, omeprazole, pantoprazole, and rabeprazole show that they all have similar potency and efficacy. Rabeprazole, however, displays a slightly more rapid onset of acid inhibition than the others; the clinical advantage of this seems limited. The S-isomer of omeprazole, esomeprazole, exhibits a somewhat higher potency than the other proton pump inhibitors. Reports supporting a clinical advantage of this property are not convincing. To conclude, all inhibitors seem comparable as regards inhibition of gastric acid secretion.
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Fourteen studies met inclusion criteria. Because of variation in outcome measures statistical pooling of results was not possible. Results were analysed qualitatively. Four studies evaluated intermittent therapy of treatment 3 days a week with omeprazole 20 mg or daily with ranitidine which were not efficacious compared to a daily proton pump inhibitor. Famotidine 10 and 20 mg, ranitidine 75 mg and cimetidine 200 mg were efficacious in five on-demand studies for relief of symptomatic heartburn episodes. In three of four studies, evaluating only non-erosive (endoscopy-negative) gastro-oesophageal reflux disease patients, esomeprazole 20 and 40 mg and omeprazole 10 and 20 mg a day were efficacious using willingness to continue as an endpoint. Lansoprazole 30 mg and omeprazole 20 mg maintained symptom control in 60-70% of healed oesophagitis patients.
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Intravenous (IV) formulations of proton pump inhibitors are effective for patients in whom oral therapy is not appropriate.
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We reviewed the medical records of patients who underwent ESD for gastric neoplasia. We conducted a case-control study to compare the healing rates within 4 weeks effected by esomeprazole plus rebamipide (group E) and omeprazole plus rebamipide (group O). The sizes of the artificial ulcers were divided into normal-sized or large-sized.
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The prevalence of resistance to clarithromycin and metronidazole has considerably increased, with a corresponding decrease in the eradication rate for Helicobacter pylori (H. pylori) infection. Primary resistance to amoxicillin is extremely low, and esomeprazole was found to exert a noteworthy antimicrobial activity in vitro against H. pylori. A dual therapy with high-dose of esomeprazole coupled with high-dose amoxicillin might be therefore an ideal first-line treatment for H. pylori eradication. We aimed to assess the efficacy of a first-line 10-day, high-dose dual therapy consisting of amoxicillin and esomeprazole to eradicate H. pylori infection.
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Acid reflux is often difficult to control medically.
Frequent symptoms of acid reflux, such as heartburn and acid regurgitation, can interfere substantially with daily life activities. Proton-pump inhibitors are the most efficacious treatment for frequent reflux symptoms and are recommended as an appropriate initial treatment in uncomplicated cases. Proton-pump inhibitors have varying pharmacokinetics and pharmacodynamics across the class; 20 mg esomeprazole has higher bioavailability and exposure than over-the-counter omeprazole, for example. However, differences in clinical efficacy for symptom relief have not been demonstrated. The safety and tolerability of proton-pump inhibitors have been well established in clinical trial and post-marketing settings, and use of a short regimen is associated with a very low likelihood of missing a more serious condition. Pharmacists can assist patients with accurate self-diagnosis by asking short, simple questions to characterize the nature, severity, and frequency of symptoms. Additionally, pharmacists can inquire about alarm symptoms that should prompt referral to a physician. Pharmacists should inform those patients for whom over-the-counter proton-pump inhibitors are appropriate on their proper use.
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Four-hundred and fifty duodenal ulcer patients were randomized to receive: (1) esomeprazole (20 mg b.i.d.), clarithromycin (500 mg b.i.d.), and amoxicillin (1 g b.i.d.), for 7 days (E20-7d); (2) esomeprazole (40 mg b.i.d.) with the same antibiotics, also for 7 days (E40-7d); and (3) esomeprazole (40 mg b.i.d.) with the same antibiotics, for 10 days (E40-10d). Cure rates were evaluated by (13)C-urea breath test.
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Dexlansoprazole is a new proton pump inhibitor (PPI) with a dual delayed-release system. Both dexlansoprazole and esomeprazole are an enantiomer of lansoprazole and omeprazole respectively. However, there is no head-to-head trial data or indirect comparison analyses between dexlansoprazole and esomeprazole.
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Sitafloxacin-containing Helicobacter pylori eradication therapy is a promising third-line therapeutic approach, but there is no previous studies between gyrA mutation status of H. pylori strains and the efficacy of 10-day sitafloxacin-containing regimens. Here, we assessed the efficacy of 2 different 10-day sitafloxacin-containing rescue regimens.
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The proportion of patients treated with i.v. esomeprazole in routine clinical practice who experienced further bleeding following endoscopic treatment for peptic ulcer bleeding was between the rates observed in the esomeprazole group and the placebo group in the RCT.
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This prospective single-center study was conducted in Thailand. Helicobacter pylori associated gastritis patients were randomized to 2 groups: group 1 (n=100) was tailored triple therapy with placebo (esomeprazole 20 mg bid, clarithromycin 500 mg bid or metronidazole 400 mg tid if clarithromycin resistance and amoxicillin 1000 mg bid), and group 2 was tailored triple therapy plus pretreatment with probiotic containing yogurt. Successful eradication was defined as both negative histology and negative rapid urease test at four weeks after treatment.
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Quarterly sample expenditures at product/brand level for proton pump inhibitors (PPIs) for Australian general practitioners were obtained for July 2002 to September 2006. Corresponding PBS dispensing data were obtained for all PPIs and converted to defined daily dose (DDD)/1000 population/day. Spending on samples was calculated as dollars per dispensed prescription and plotted against time on the Australian market.
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A total of 770 subjects were randomized. There was no statistically significant improvement in morning peak expiratory flow (PEF) over placebo in the overall study population: 6.3 L/min (p = 0.061). Over the whole treatment period, in GERD+/NOC+ subjects (n = 350), esomeprazole provided an 8.7-L/min improvement (p = 0.03) in morning PEF, and a 10.2-L/min improvement (p = 0.012) in evening PEF over placebo. Among 307 subjects taking long-acting beta2-agonists, improvements over placebo were observed in morning PEF (12.2 L/min, p = 0.017) and in evening PEF (11.1 L/min, p = 0.024); these improvements were more pronounced in GERD+/NOC+ subjects. Esomeprazole 40 mg twice daily was well tolerated and no safety concerns were noted.
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The formulary inclusion of proton pump inhibitors (PPIs) in the government hospital health services in Qatar is not comparative or restricted. Requests to include a PPI in the formulary are typically accepted if evidence of efficacy and tolerability is presented. There are no literature reports of a PPI scoring model that is based on comparatively weighted multiple indications and no reports of PPI selection in Qatar or the Middle East. This study aims to compare first-line use of the PPIs that exist in Qatar. The economic effect of the study recommendations was also quantified.
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Based on these outcome measures, long-term treatment with FDC naproxen/esomeprazole is not associated with any new safety issues, including predefined UGI and cardiovascular AEs, in patients requiring NSAID therapy who are at risk of UGI complications.
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This study was conducted to investigate whether a proton pump inhibitor (PPI) could enhance chemosensitivity via the inhibition of vacuolar-type H+ ATPase (V-ATPase) in cervical cancer.
A mouse model of antibiotic-associated clostridial colitis was set up. NF-κB reporter mice were used to address the in vivo spatial and temporal inflammatory patterns of C. difficile-associated colitis. Serum levels of lipopolysaccharide and dextran-FITC were measured to reflect the barrier permeability of affected intestines.
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The effect of the PPI esomeprazole on COX-1 and COX-2 mRNA levels in oesophageal cells was determined. Oesophageal cell lines OE33 (adenocarcinoma-derived) and HET-1A (immortalized squamous cells) and a control intestinal cell line HT29 (colon carcinoma) were treated for 24 h, with increasing concentrations of the esomeprazole.
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Helicobacter pylori eradication rates with standard triple regimens are worsening, and alternative treatments are urgently needed in some populations. The present study aimed to compare the efficacy of bismuth-based quadruple and concomitant regimens.
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This study demonstrates the added-value and usefulness of the patient self-assessment GIS as a management tool for GERD.
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Esomeprazole was given 12 hours and one hour before investigation. Before the study, a multichannel intraluminal impedance catheter, pH monitoring data logger (PHmetry) catheter, and an intragastric-esophageal manometry catheter were placed nasally after topical anesthesia.
Naproxen/esomeprazole is a fixed-dose combination of the NSAID naproxen and the proton pump inhibitor esomeprazole. In two well designed, 12-week studies, naproxen/esomeprazole fixed-dose combination was noninferior to celecoxib in treating the signs and symptoms of disease in patients with osteoarthritis of the knee, as assessed by the mean change from baseline in Western Ontario and McMaster Universities Osteoarthritis Index pain and function scores and Patient Global Assessment scores (coprimary endpoints). Two other studies showed that the cumulative incidence of gastric ulcers (primary efficacy measure) was significantly lower with naproxen/esomeprazole than with enteric-coated naproxen alone during up to 6 months' therapy in patients with osteoarthritis, rheumatoid arthritis, ankylosing spondylitis or any other condition requiring daily NSAID therapy. The fixed-dose combination was generally well tolerated in these studies, with an upper gastrointestinal tolerability profile generally better than that of naproxen and similar to that of celecoxib.