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Up to half of gastroesophageal reflux disease (GERD) patients report having heartburn that awakens them from sleep during the night. Recumbent-awake and conscious awakenings from sleep during the night are commonly associated with acid reflux events. The aim of the study was to assess the effect of esomeprazole 40 mg once daily on nighttime acid reflux, frequency of conscious awakenings associated with acid reflux and the recumbent-awake period.
Brand-name medications are often substantially less expensive when purchased from Canadian Internet pharmacies instead of from major online U.S. drug chain pharmacies.
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Proton pump inhibitors (PPIs) which include omeprazole, esomeprazole, lansoprazole, pantoprazole and rabeprazole, are extensively used for the relief of gastro-intestinal disorders. Despite their high worldwide consumption, PPIs are extensively metabolized in human bodies and therefore are not regularly detected in monitoring studies. Very recently, however, it has been shown that some omeprazole metabolites may enter and are likely to persist in aquatic environment. Hence, to fully assess the environmental exposures and risks associated with PPIs, it is important to better understand and evaluate the fate and behavior not only of the parent compound but also of their metabolites and their transformation products arising from biotic and abiotic processes (hydrolysis, photodegradation, biodegradation etc.) in the environment. In this light, the purpose of this review is to summarize the present state of knowledge on the introduction and behavior of these chemicals in natural and engineering systems and highlight research needs and gaps. It draws attention to their transformation, the increase contamination by their metabolites/TPs in different environmental matrices and their potential adverse effects in the environment. Furthermore, existing research on analytical developments with respect to sample treatment, separation and detection of PPIs and their metabolites/TPs is provided.
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In erosive oesophagitis, lansoprazole 30mg once daily and esomeprazole 40mg once daily are equally effective in healing erosions and relieving heartburn.
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A total of 175 patients were randomized. Patients in the esomeprazole group (n = 85) demonstrated statistically significant reductions in their GerdQ index, from 19.45 to 15.37 and to 14.32 (p = 0.013, p = 0.005) at weeks 4 and 8, respectively. Compared to placebo at week 8, 57.1% of patients on esomeprazole found that their symptoms had resolved or were acceptable compared with 37.2% in the placebo group (p = 0.001). There were no statistically significant differences in overall quality-of-life measures or the HAD scale related to treatment.
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The absence of a pharmacokinetic interaction between the proton pump inhibitor esomeprazole (40 mg) and acetylsalicylic acid (aspirin, ASA; 325 mg) has previously been established.
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Recent studies have suggested the eradication rate for Helicobacter pylori infection with standard amoxycillin-clarithromycin-containing triple therapy as first-line treatment have fallen below 80%. Levofloxacin-containing triple therapy was proposed as an alternative. The aim of this study is to compare the efficacy and tolerability of the standard 7-day clarithromycin-containing triple therapy against the 7-day levofloxacin-containing triple therapy, and to assess whether the classical triple therapy is still valid as empirical first-line treatment for H. pylori infection in Hong Kong.
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Because recent studies have shown that COX-2 inhibitors are similar to NSAIDs with regards to absorption, in contrast to premarketing trials, extensive use of COX-2 inhibitors is likely to demonstrate gastrointestinal adverse effects similar to those caused by traditional NSAIDs. Our patient had severe esophagitis caused by Celecoxib and aggravated by reflux of achlorhydric gastric contents after dilatation of the stricture.
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The increasing trend of antibiotic resistance requires effective second-line Helicobacter pylori (H. pylori) treatment in high prevalence area of H. pylori. The aim of our study was to evaluate the reinfection rate of H. pylori after second-line treatment that would determine the long-term follow up effect of the rescue therapy.
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In combination with esomeprazole, short-term administration of higher doses of aspirin, but not lower doses or no aspirin, significantly reduced tissue concentrations of PGE(2) in patients with BE with either no dysplasia or low-grade dysplasia. These data support further evaluation of higher doses of aspirin and esomeprazole to prevent esophageal adenocarcinoma in these patients. Clinical trial registration number NCT00474903.
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Esomeprazole, the S-isomer of omeprazole, is the first proton pump inhibitor synthesised as an optical isomer to become available for clinical use. Esomeprazole is optically stable in humans with negligible inversion to the R-isomer. Esomeprazole has significantly higher oral bioavailability than omeprazole, resulting in greater acid suppression. In clinical studies, 4 weeks' treatment with 40 mg esomeprazole demonstrated greater healing of all grades of erosive oesophagitis, compared with 20 mg omeprazole (76-82% versus 69-71%) and higher rates of symptom resolution (65-68% versus 58-61%) Furthermore, esomeprazole maintained healing rates of up to 90% over 6 months in erosive oesophagitis. Comparisons with other proton pump inhibitors in oesophagitis are, as yet, unavailable. In patients with endoscopy-negative gastro-oesophageal reflux disease (GERD), on-demand therapy with esomeprazole 20 mg has been shown to be very efficacious compared with placebo, and is well tolerated; however, comparisons with other proton pump inhibitors have not been performed. Long-term use of esomeprazole for up to 12 months in patients with GERD have not raised any significant safety concerns with respect to the development of atrophic gastritis or clinically relevant changes in enterochromaffin-like cells.