Abstract:
BACKGROUND:Attainment of intragastric pH < 6.0 may require high-dose continuously infused proton pump therapy. AIM:To assess the pharmacokinetic and pharmacodynamic dose-responses of continuous infusion regimens of lansoprazole. METHODS:Healthy adult subjects were assigned to lansoprazole 60-mg intravenous bolus, followed by 6-mg/h continuous infusion; a 90-mg intravenous bolus followed by 6-, 7.5-, or 9-mg/h continuous infusion; or placebo. RESULTS:Mean intragastric pH values for lansoprazole regimens ranged from 4.8 to 5.2 (0-24 h), 5.5 to 6.0 (>24 to 48 h) and 5.2 to 5.6 (0-48 h). Within these three intervals, the percentages of time intragastric pH exceeded 4, 5 and 6 ranged from 65% to 96%, 54% to 88% and 30% to 61% respectively. Pharmacokinetic parameters were dose-independent with steady-state plasma concentrations achieved within 6-12 h postdose and maintained over 48 h. The mean systemic clearance of lansoprazole was lower in CYP2C19 heterozygous metabolizers than in homozygous extensive metabolizers (9.2 vs. 16.5 L/h), with substantial variability resulting in overlapping ranges of clearance values for both subpopulations. All lansoprazole regimens were well-tolerated. CONCLUSIONS:Lansoprazole administered as a 60-mg intravenous bolus followed by 6-mg/h continuous infusion produced intragastric pH effects comparable with those of higher dosage regimens.
journal_name
Aliment Pharmacol Therjournal_title
Alimentary pharmacology & therapeuticsauthors
Howden CW,Metz DC,Hunt B,Vakily M,Kukulka M,Amer F,Samra Ndoi
10.1111/j.1365-2036.2006.02849.xsubject
Has Abstractpub_date
2006-04-01 00:00:00pages
975-84issue
7eissn
0269-2813issn
1365-2036pii
APT2849journal_volume
23pub_type
杂志文章,随机对照试验abstract:BACKGROUND:Lymphogranuloma venereum (LGV) is a recognized cause of proctitis. Symptoms, endoscopy and histology findings are similar in IBD and LGV proctitis. AIMS:To characterize the clinical, endoscopic and histological features seen in men diagnosed initially with IBD and subsequently with LGV proctitis, and to att...
journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
doi:10.1111/j.1365-2036.2010.04313.x
更新日期:2010-07-01 00:00:00
abstract:BACKGROUND:CXC chemokines such as interleukin (IL)-8 are neutrophil chemoattractants, the levels of which increase in Helicobacter pylori-infected gastric mucosa. Many investigators have focused on the chemotactic aspects of IL-8: however, CXC chemokines are also reported to have angiogenic activity and to serve as rem...
journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
doi:10.1046/j.1365-2036.2000.014s1094.x
更新日期:2000-04-01 00:00:00
abstract:BACKGROUND:Randomized, placebo controlled trials are used to assess the efficacy of therapies for Crohn's disease. The placebo response and remission rates vary among studies. AIM:To analyse how the placebo response and remission rates in Crohn's trials have changed over time in the era of parenteral biologic therapie...
journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2036.2009.04125.x
更新日期:2010-01-01 00:00:00
abstract:BACKGROUND:Therapy with adalimumab has been shown to be effective in Crohn's disease (CD) patients who have lost response or are intolerant to infliximab. AIM:To determine the efficacy of adalimumab in CD patients who discontinued infliximab through a systematic review. METHODS:Electronic searches of EMBASE and MEDLI...
journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2036.2009.04101.x
更新日期:2009-11-15 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
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更新日期:2013-10-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
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journal_title:Alimentary pharmacology & therapeutics
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 临床试验,杂志文章
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更新日期:1987-12-01 00:00:00
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更新日期:2015-08-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
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pub_type: 杂志文章,评审
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更新日期:2010-06-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,多中心研究
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pub_type: 临床试验,杂志文章,多中心研究
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更新日期:2017-07-01 00:00:00
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更新日期:2014-05-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,meta分析
doi:10.1111/apt.12403
更新日期:2013-09-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,评审
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更新日期:1988-01-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,meta分析
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更新日期:2011-06-01 00:00:00
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pub_type: 杂志文章
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更新日期:2016-06-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,meta分析,评审
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更新日期:2013-12-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
doi:10.1111/j.1365-2036.2007.03457.x
更新日期:2007-10-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,meta分析
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更新日期:2013-07-01 00:00:00
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pub_type: 杂志文章
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更新日期:2019-07-01 00:00:00