Abstract:
BACKGROUND:Ranitidine 75 mg (Zantac 75) has been shown to be effective for the treatment of pre-existing heartburn symptoms. AIM:To compare the efficacy of dosing ranitidine 75 mg or placebo 30 min prior to a proven heartburn-provoking meal in completely preventing or reducing subsequent heartburn symptoms. METHODS:A randomized, double-blind, parallel methodology was used at nine investigative centres. Following a screening visit, patients ate a standard test meal consisting of chili, chips and a soft drink on two occasions. On the first occasion, patients received single-blind placebo 30 min before the meal. This meal was used to qualify patients and to ensure the onset of a minimum level of heartburn. Patients who qualified were randomized (n = 284) to receive double-blind ranitidine 75 mg or placebo 30 min before a second test meal administered 4-14 days later at the treatment visit. Patients recorded whether heartburn was present and rated heartburn severity by completing visual analogue scales at 15-min intervals over the 4. 5 h meal evaluation periods. RESULTS:Statistically significant differences favouring ranitidine 75 mg were determined for complete prevention of heartburn (P < 0.006), heartburn severity area under the curve (P < 0.001), a clinical success end-point (P < 0.001), and all other end-points (P < 0.001). CONCLUSIONS:These data clearly demonstrate that ranitidine 75 mg is effective in completely preventing or decreasing heartburn when administered 30 min prior to a provocative meal.
journal_name
Aliment Pharmacol Therjournal_title
Alimentary pharmacology & therapeuticsauthors
Pappa KA,Williams BO,Payne JE,Buaron KS,Mussari KL,Ciociola AAdoi
10.1046/j.1365-2036.1999.00505.xsubject
Has Abstractpub_date
1999-04-01 00:00:00pages
467-73issue
4eissn
0269-2813issn
1365-2036journal_volume
13pub_type
临床试验,杂志文章,随机对照试验abstract:BACKGROUND:(13)CO(2) is produced on metabolism of (13)C-labelled-pantoprazole ([(13)C]-pantoprazole) by CYP2C19. AIM:To investigate whether the [(13)C]-pantoprazole breath test can predict CYP2C19 status and efficacy of proton pump inhibitors (PPIs) in Japanese. METHODS:We classified 110 healthy volunteers as rapid m...
journal_title:Alimentary pharmacology & therapeutics
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abstract:AIM:To assess the efficacy of a prokinetic agent in the long-term treatment of chronic intestinal dysmotility and the influence of extrinsic denervation. METHODS:We assessed symptoms, compliance and untoward effects in an open, 1-year trial of cisapride, 20 mg t.d.s., in 37 patients with neuropathic forms of chronic i...
journal_title:Alimentary pharmacology & therapeutics
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Alimentary pharmacology & therapeutics
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更新日期:2019-01-01 00:00:00
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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,随机对照试验
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
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更新日期:1999-06-01 00:00:00
abstract:BACKGROUND:Optimal management approach is not well defined for subjects who fail initial first- and second-line Helicobacter pylori eradication attempts and are dealt on a case-by-case basis by the specialists. AIM:To evaluate the efficacy and safety of standard and 'rescue' eradication therapies at primary and second...
journal_title:Alimentary pharmacology & therapeutics
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更新日期:2005-01-01 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:2019-09-01 00:00:00