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While maintaining pantoprazole, we switched the tablet L-T4 (150 g/day) to a soft gel capsule (125 μg/day; Tirosint® capsule, IBSA, Lugano, Switzerland) and after 2 months, to 100 μg/day. Serum TSH was lower than under the equivalent regimens with the tablet: 0.5 versus 2.4 mU/L (125 μg/day) and 2.4 versus 4.4 to 6.5 mU/L (100 μg/day). Upon switching back to the tablet (100 μg/day), serum TSH increased to 3.2 and 4.7 mU/L and then dropped to 2.7-3.0 mU/L when the dose was increased to 125 μg/day. We also acutely evaluated the intestinal absorption of L-T4 by administering 600 μg LT4 as a tablet or soft gel capsule while maintaining pantoprazole. Pharmacokinetic indices showed better and faster absorption for the soft gel capsule versus tablet (area under the curve [AUC]0-4h = 16,240 vs. 10,960 nmol/L x 4 hours, maximum absorption [Cmax] = 108 vs. 73 nmol/L, and time of maximum absorption [Tmax] = 120 minutes vs. 180 minutes).
The results of this study in healthy adult volunteers suggest that switching from pantoprazole 40 mg IV to esomeprazole 40 mg PO QD more effectively suppresses intragastric acid compared with switching from pantoprazole 40 mg IV to pantoprazole 40 mg PO QD. All 3 treatments were well tolerated.
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Famotidine and pantoprazole are similarly effective for preventing bleeding in the upper part of the gastrointestinal tract in patients receiving mechanical ventilation.
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Esomeprazole suppressed intragastric acid (pH >4.0) significantly longer over 24 h (primary end point) compared with lansoprazole and pantoprazole (P < 0.0001), and proximal gastric acid (pH >4.0) significantly longer over 24 h compared with lansoprazole (P < 0.05) and pantoprazole (P < 0.0001).
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Dosed once daily at bedtime, immediate-release omeprazole reduced nocturnal gastric acidity to a degree not observed with once daily dosing of delayed-release proton-pump inhibitors.
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To estimate the pharmacokinetic (PK) properties of posaconazole in patients with acute myeloid leukemia (AML) or myelodysplastic syndrome (MDS) undergoing chemotherapy in a clinical setting.
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Randomised clinical trials comparing esomeprazole or rabeprazole with first-generation PPIs (omeprazole-lansoprazole-pantoprazole) or with each other.
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Sixty Helicobacter pylori positive patients were included. Pantoprazole (40 mg/day) was given to 27 patients for 28 days and ranitidine (300 mg. o.d.) to 33 patients for 60 days. Urea breath tests were repeated on days 14 and 28 in both groups and on day 60 in the ranitidine group.
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Ninety consecutive patients who had successful endoscopic therapy of bleeding peptic ulcer underwent 72-h continuous ambulatory intragastric pH study, were randomly assigned to receive p.o. omeprazole 80 mg bolus followed by 40 mg every 12 h for 72 h or i.v. 80 mg omeprazole followed by infusion 8 mg/h for 72 h. Oral pantoprazole 80 mg bolus followed by 80 mg every 12 h for 72 h or i.v. 80 mg pantoprazole followed by infusion of 8 mg/h for 72 h. Oral rabeprazole 80 mg bolus followed by 40 mg every 12 h for 72 h or i.v. 80 mg rabeprazole followed by infusion 8 mg/h for 72 h. Five patients received no treatment after successful endoscopic therapy and underwent 72-h pH study.
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The mean platelet reactivity index (PRI, assessed by the VASP assay) was nearly the same in patients with (n = 226; PRI = 51%) or without PPI treatment (n = 74; PRI = 49%; P = .724). Likewise, the adenosine diphosphate-induced platelet aggregation did not differ significantly between patients with or without PPI treatment (45 vs. 41 U; P = .619). Similarly, there was no difference in the PRI or the adenosine diphosphate-induced platelet aggregation between patients with pantoprazole (n = 152; PRI = 50%; aggregation = 47 U), esomeprazole (n = 74; PRI = 54%; aggregation = 42 U), or without PPI (n = 74; PRI = 49%; aggregation = 41 U; P = .382).
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In the past year, significant advances have been made in understanding of the regulation of gastric acid secretion. Ultimately, these advances should lead to improved therapies to prevent and treat acid-related disorders. Gastric acid secretion must be precisely controlled at a variety of levels to prevent disease caused by hyperchlorhydria and hypochlorhydria. The mechanisms include neural (central and peripheral), hormonal, paracrine, and intracellular pathways that operate in concert to switch acid secretion on during ingestion of a meal and off during the interdigestive period. A better understanding of the physiology of acid secretion in health and disease should eventually lead to improved therapies to prevent and treat acid-related disorders.
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To explore the mechanism, clinical characterization, diagnosis and therapeutic approach of vocal process granuloma(VPG) induced by gastroesophageal reflux.
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Both the 20 mg and 40 mg doses of pantoprazole are safe and effective in maintaining patients with healed reflux oesophagitis in remission. Moreover, for the majority of patients, the 20 mg dose provides adequate long-term therapeutic efficacy at a minimal drug exposure and lower costs.
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In NCCP, PPI testing with pantoprazole has a low sensitivity for the diagnosis of GERD, placing in doubt the strategy of reserving functional study to non-responders to antisecretory therapy. Esophageal function testing and accurate diagnosis would allow appropriate targeted therapy for all patients with NCCP.
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Treatment with pantoprazole 20 mg once daily or esomeprazole 20 mg once daily provides similarly effective and well-tolerated maintenance of previously healed gastroesophageal reflux disease irrespective of baseline H. pylori status.
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Systemic vasculitis may, at times, be drug-induced and associated with antineutrophil cytoplasmic antibodies (ANCA). However, pantoprazole, a commonly used and well-tolerated proton pump inhibitor, has not previously been reported to cause ANCA-associated syndromes. We describe a patient who developed interstitial nephritis, cutaneous vasculitis, a perinuclear ANCA staining pattern (pANCA) on immunofluorescence, and anti-myeloperoxidase antibodies (MPO-ANCA) in association with pantoprazole. We review various immune-mediated syndromes reported in association with proton pump inhibitors, including one report of omeprazole associated with interstitial nephritis and the development of ANCA.
There is a significant over-use of gastro-protection in the primary care setting in Italy and the role H. pylori is largely overlooked. Educational efforts should be directed to a more targeted gastro-protection only for at-risk patients as well as improved adherence to recommendations for testing and treating H. pylori infection.
Two hundred twenty-one patients formed the study baseline group. The analysis demonstrated that the GSFQ questionnaire had excellent psychometric properties shown by the high internal consistency (Cronbach alpha 0.84); that the test-retest reliability was satisfactory (intraclass correlation coefficient 0.64); that there was good evidence that the GSFQ indeed measured what it was intended to measure (validity); and that the GSFQ was highly responsive to change (Guyatt's statistic 1.48).
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Citalopram concentrations were significantly higher in patients treated with omeprazole (+35.3%; P < 0.001), esomeprazole (+32.8%; P < 0.001), and lansoprazole (+14.7%; P = 0.043). Escitalopram concentrations were significantly higher in patients treated with omeprazole (+93.9%; P < 0.001), esomeprazole (+81.8%; P < 0.001), lansoprazole (+20.1%; P = 0.008), and pantoprazole (+21.6%; P = 0.002). Sertraline concentrations were significantly higher in patients treated with esomeprazole (+38.5%; P = 0.0014).
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Although PCM combined with wenweishu or yangweishu in the treatment of H. pylori positive patients with chronic gastritis and peptic ulcer can not reach a significantly higher eradication rate, it can increase the rates of both gastric ulcer healing and symptom relief.
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A PubMed search (to August 7, 2004) was performed to identify pharmacogenetics studies relevant to the top 200 drugs. These data were compared with PIs for drugs in the top 200 list that contained pharmacogenetics prescribing information.
Pantoprazole depresses cardiac contractility in vitro by depression of Ca2+ signaling and myofilament activity. In view of the extensive use of this agent, the effects should be evaluated in vivo.
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The role of sphincter of Oddi (SO) function in alcoholic acute pancreatitis (AP) is unclear. We aimed to compare the effect of i.v. and intragastric (IG) ethanol on SO function (i.e. trans-sphincteric flow; TSF) and investigate possible neural mechanisms. The involvement of gastric mucosal damage was also investigated by pretreatment with pantoprazole. In anaesthetized Australian possums, blood pressure (BP), TSF and blood ethanol concentrations were measured after i.v. or IG ethanol. Possums were subjected to acute vagotomy, atropine, L-nitro arginine methyl ester (L-NAME) or pantoprazole pretreatment prior to IG ethanol. BP was not significantly altered by ethanol. Ethanol decreased TSF in a dose and route-dependent manner. The lowest dose of IG ethanol reduced TSF but this response was not duplicated by i.v. ethanol producing the same blood ethanol concentrations. Acute vagotomy, atropine or L-NAME pretreatment blocked the ethanol-induced decrease in TSF and simultaneously suppressed the blood ethanol concentration. Pantoprazole pretreatment reduced the TSF response and blood ethanol concentrations implicating mechanisms induced by gastric mucosal damage. We conclude that ethanol (and/or its metabolites) reduces TSF via humoral and neural mechanisms involving vagal pathways, muscarinic receptors and nitric oxide. Reduced TSF could contribute to the onset of AP.
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Is there a relationship between pantoprazole PPI and HTPR on ADPRB therapy in patients with acute ST-elevation myocardial infarction (STEMI).
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Bariatric surgeons often advocate preoperative Helicobacter pylori (H. pylori) testing and eradication because of the increased risk of postoperative ulcers and foregut symptoms in H. pylori-positive patients. The aim of this pilot study was to evaluate whether body mass index (BMI) might influence the success rate of eradication.
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This short-term triple therapy with pantoprazole, amoxicillin and metronidazole provides an effective regimen especially in patients with metronidazole-sensitive strain.
To evaluate the efficacy and safety of proton pump inhibitors (PPIs) in the treatment of gastroesophageal reflux disease (GERD) in infants <1 year of age.
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This study aimed to test the efficacy of empirical proton pump inhibitor use and Helicobacter pylori therapy for uninvestigated dyspepsia in a population with a high prevalence of H. pylori.
Proton pump inhibitors (PPIs) are today used at different recommended doses for treatment of acid-related gastro-esophageal, gastric and gastro-duodenal diseases. We reviewed the literature regarding inhibition of acid secretion and healing rates for the different PPIs. Acid secretion in vitro and in vivo as well as healing and relapse rates were similar on a milligram basis for omeprazole, lansoprazole, rabeprazole, and pantoprazole. Rabeprazole had a somewhat faster onset of inhibition of acid secretion; the clinical value of this however seems limited. Esomeprazole had a somewhat stronger inhibitory effect on acid secretion in vivo compared with other PPIs. Studies demonstrating an important clinical advantage of esomeprazole compared to other PPIs are however lacking.
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Omeprazole MUPS 20 mg and pantoprazole 40 mg have equivalent efficacy in the treatment of reflux oesophagitis. Based on patient satisfaction, omeprazole MUPS 20 mg, lansoprazole 30 mg and pantoprazole 40 mg are equally effective.